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https://gitee.com/milvus-io/milvus.git
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c924f73105
Co-authored-by: Zach41 <zongmei.zhang@zilliz.com> Signed-off-by: cai.zhang <cai.zhang@zilliz.com> Signed-off-by: cai.zhang <cai.zhang@zilliz.com> Co-authored-by: Zach41 <zongmei.zhang@zilliz.com>
1300 lines
35 KiB
Go
1300 lines
35 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package paramtable
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import (
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"math"
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"path"
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"strconv"
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"strings"
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"sync"
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"sync/atomic"
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"time"
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"github.com/milvus-io/milvus/internal/log"
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"go.uber.org/zap"
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)
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const (
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// DefaultRetentionDuration defines the default duration for retention which is 5 days in seconds.
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DefaultRetentionDuration = 3600 * 24
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// DefaultIndexSliceSize defines the default slice size of index file when serializing.
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DefaultIndexSliceSize = 16
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DefaultGracefulTime = 5000 //ms
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)
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// ComponentParam is used to quickly and easily access all components' configurations.
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type ComponentParam struct {
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ServiceParam
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once sync.Once
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CommonCfg commonConfig
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RootCoordCfg rootCoordConfig
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ProxyCfg proxyConfig
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QueryCoordCfg queryCoordConfig
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QueryNodeCfg queryNodeConfig
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DataCoordCfg dataCoordConfig
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DataNodeCfg dataNodeConfig
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IndexCoordCfg indexCoordConfig
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IndexNodeCfg indexNodeConfig
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}
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// InitOnce initialize once
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func (p *ComponentParam) InitOnce() {
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p.once.Do(func() {
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p.Init()
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})
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}
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// Init initialize the global param table
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func (p *ComponentParam) Init() {
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p.ServiceParam.Init()
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p.CommonCfg.init(&p.BaseTable)
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p.RootCoordCfg.init(&p.BaseTable)
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p.ProxyCfg.init(&p.BaseTable)
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p.QueryCoordCfg.init(&p.BaseTable)
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p.QueryNodeCfg.init(&p.BaseTable)
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p.DataCoordCfg.init(&p.BaseTable)
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p.DataNodeCfg.init(&p.BaseTable)
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p.IndexCoordCfg.init(&p.BaseTable)
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p.IndexNodeCfg.init(&p.BaseTable)
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}
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// SetLogConfig set log config with given role
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func (p *ComponentParam) SetLogConfig(role string) {
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p.BaseTable.RoleName = role
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p.BaseTable.SetLogConfig()
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}
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func (p *ComponentParam) RocksmqEnable() bool {
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return p.RocksmqCfg.Path != ""
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}
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func (p *ComponentParam) PulsarEnable() bool {
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return p.PulsarCfg.Address != ""
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}
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func (p *ComponentParam) KafkaEnable() bool {
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return p.KafkaCfg.Address != ""
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}
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///////////////////////////////////////////////////////////////////////////////
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// --- common ---
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type commonConfig struct {
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Base *BaseTable
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ClusterPrefix string
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ProxySubName string
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RootCoordTimeTick string
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RootCoordStatistics string
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RootCoordDml string
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RootCoordDelta string
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RootCoordSubName string
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QueryCoordSearch string
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QueryCoordSearchResult string
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QueryCoordTimeTick string
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QueryNodeSubName string
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DataCoordStatistic string
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DataCoordTimeTick string
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DataCoordSegmentInfo string
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DataCoordSubName string
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DataNodeSubName string
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DefaultPartitionName string
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DefaultIndexName string
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RetentionDuration int64
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EntityExpirationTTL time.Duration
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IndexSliceSize int64
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GracefulTime int64
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StorageType string
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SimdType string
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AuthorizationEnabled bool
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ClusterName string
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}
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func (p *commonConfig) init(base *BaseTable) {
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p.Base = base
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// must init cluster prefix first
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p.initClusterPrefix()
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p.initProxySubName()
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p.initRootCoordTimeTick()
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p.initRootCoordStatistics()
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p.initRootCoordDml()
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p.initRootCoordDelta()
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p.initRootCoordSubName()
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p.initQueryCoordSearch()
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p.initQueryCoordSearchResult()
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p.initQueryCoordTimeTick()
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p.initQueryNodeSubName()
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p.initDataCoordStatistic()
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p.initDataCoordTimeTick()
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p.initDataCoordSegmentInfo()
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p.initDataCoordSubName()
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p.initDataNodeSubName()
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p.initDefaultPartitionName()
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p.initDefaultIndexName()
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p.initRetentionDuration()
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p.initEntityExpiration()
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p.initSimdType()
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p.initIndexSliceSize()
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p.initGracefulTime()
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p.initStorageType()
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p.initEnableAuthorization()
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p.initClusterName()
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}
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func (p *commonConfig) initClusterPrefix() {
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keys := []string{
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"msgChannel.chanNamePrefix.cluster",
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"common.chanNamePrefix.cluster",
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}
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str, err := p.Base.LoadWithPriority(keys)
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if err != nil {
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panic(err)
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}
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p.ClusterPrefix = str
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}
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func (p *commonConfig) initChanNamePrefix(keys []string) string {
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value, err := p.Base.LoadWithPriority(keys)
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if err != nil {
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panic(err)
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}
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s := []string{p.ClusterPrefix, value}
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return strings.Join(s, "-")
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}
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// --- proxy ---
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func (p *commonConfig) initProxySubName() {
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keys := []string{
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"msgChannel.subNamePrefix.proxySubNamePrefix",
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"common.subNamePrefix.proxySubNamePrefix",
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}
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p.ProxySubName = p.initChanNamePrefix(keys)
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}
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// --- rootcoord ---
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// Deprecate
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func (p *commonConfig) initRootCoordTimeTick() {
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keys := []string{
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"msgChannel.chanNamePrefix.rootCoordTimeTick",
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"common.chanNamePrefix.rootCoordTimeTick",
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}
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p.RootCoordTimeTick = p.initChanNamePrefix(keys)
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}
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func (p *commonConfig) initRootCoordStatistics() {
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keys := []string{
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"msgChannel.chanNamePrefix.rootCoordStatistics",
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"common.chanNamePrefix.rootCoordStatistics",
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}
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p.RootCoordStatistics = p.initChanNamePrefix(keys)
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}
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func (p *commonConfig) initRootCoordDml() {
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keys := []string{
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"msgChannel.chanNamePrefix.rootCoordDml",
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"common.chanNamePrefix.rootCoordDml",
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}
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p.RootCoordDml = p.initChanNamePrefix(keys)
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}
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func (p *commonConfig) initRootCoordDelta() {
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keys := []string{
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"msgChannel.chanNamePrefix.rootCoordDelta",
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"common.chanNamePrefix.rootCoordDelta",
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}
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p.RootCoordDelta = p.initChanNamePrefix(keys)
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}
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func (p *commonConfig) initRootCoordSubName() {
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keys := []string{
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"msgChannel.subNamePrefix.rootCoordSubNamePrefix",
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"common.subNamePrefix.rootCoordSubNamePrefix",
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}
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p.RootCoordSubName = p.initChanNamePrefix(keys)
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}
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// --- querycoord ---
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func (p *commonConfig) initQueryCoordSearch() {
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keys := []string{
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"msgChannel.chanNamePrefix.search",
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"common.chanNamePrefix.search",
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}
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p.QueryCoordSearch = p.initChanNamePrefix(keys)
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}
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// Deprecated, search result use grpc instead of a result channel
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func (p *commonConfig) initQueryCoordSearchResult() {
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keys := []string{
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"msgChannel.chanNamePrefix.searchResult",
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"common.chanNamePrefix.searchResult",
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}
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p.QueryCoordSearchResult = p.initChanNamePrefix(keys)
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}
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// Deprecate
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func (p *commonConfig) initQueryCoordTimeTick() {
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keys := []string{
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"msgChannel.chanNamePrefix.queryTimeTick",
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"common.chanNamePrefix.queryTimeTick",
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}
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p.QueryCoordTimeTick = p.initChanNamePrefix(keys)
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}
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// --- querynode ---
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func (p *commonConfig) initQueryNodeSubName() {
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keys := []string{
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"msgChannel.subNamePrefix.queryNodeSubNamePrefix",
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"common.subNamePrefix.queryNodeSubNamePrefix",
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}
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p.QueryNodeSubName = p.initChanNamePrefix(keys)
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}
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// --- datacoord ---
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func (p *commonConfig) initDataCoordStatistic() {
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keys := []string{
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"msgChannel.chanNamePrefix.dataCoordStatistic",
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"common.chanNamePrefix.dataCoordStatistic",
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}
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p.DataCoordStatistic = p.initChanNamePrefix(keys)
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}
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// Deprecate
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func (p *commonConfig) initDataCoordTimeTick() {
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keys := []string{
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"msgChannel.chanNamePrefix.dataCoordTimeTick",
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"common.chanNamePrefix.dataCoordTimeTick",
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}
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p.DataCoordTimeTick = p.initChanNamePrefix(keys)
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}
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func (p *commonConfig) initDataCoordSegmentInfo() {
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keys := []string{
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"msgChannel.chanNamePrefix.dataCoordSegmentInfo",
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"common.chanNamePrefix.dataCoordSegmentInfo",
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}
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p.DataCoordSegmentInfo = p.initChanNamePrefix(keys)
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}
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func (p *commonConfig) initDataCoordSubName() {
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keys := []string{
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"msgChannel.subNamePrefix.dataCoordSubNamePrefix",
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"common.subNamePrefix.dataCoordSubNamePrefix",
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}
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p.DataCoordSubName = p.initChanNamePrefix(keys)
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}
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func (p *commonConfig) initDataNodeSubName() {
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keys := []string{
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"msgChannel.subNamePrefix.dataNodeSubNamePrefix",
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"common.subNamePrefix.dataNodeSubNamePrefix",
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}
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p.DataNodeSubName = p.initChanNamePrefix(keys)
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}
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func (p *commonConfig) initDefaultPartitionName() {
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p.DefaultPartitionName = p.Base.LoadWithDefault("common.defaultPartitionName", "_default")
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}
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func (p *commonConfig) initDefaultIndexName() {
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p.DefaultIndexName = p.Base.LoadWithDefault("common.defaultIndexName", "_default_idx")
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}
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func (p *commonConfig) initRetentionDuration() {
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p.RetentionDuration = p.Base.ParseInt64WithDefault("common.retentionDuration", DefaultRetentionDuration)
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}
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func (p *commonConfig) initEntityExpiration() {
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ttl := p.Base.ParseInt64WithDefault("common.entityExpiration", -1)
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if ttl < 0 {
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p.EntityExpirationTTL = -1
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return
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}
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// make sure ttl is larger than retention duration to ensure time travel works
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if ttl > p.RetentionDuration {
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p.EntityExpirationTTL = time.Duration(ttl) * time.Second
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} else {
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p.EntityExpirationTTL = time.Duration(p.RetentionDuration) * time.Second
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}
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}
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func (p *commonConfig) initSimdType() {
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keys := []string{
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"common.simdType",
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"knowhere.simdType",
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}
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p.SimdType = p.Base.LoadWithDefault2(keys, "auto")
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}
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func (p *commonConfig) initIndexSliceSize() {
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p.IndexSliceSize = p.Base.ParseInt64WithDefault("common.indexSliceSize", DefaultIndexSliceSize)
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}
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func (p *commonConfig) initGracefulTime() {
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p.GracefulTime = p.Base.ParseInt64WithDefault("common.gracefulTime", DefaultGracefulTime)
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}
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func (p *commonConfig) initStorageType() {
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p.StorageType = p.Base.LoadWithDefault("common.storageType", "minio")
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}
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func (p *commonConfig) initEnableAuthorization() {
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p.AuthorizationEnabled = p.Base.ParseBool("common.security.authorizationEnabled", false)
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}
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func (p *commonConfig) initClusterName() {
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p.ClusterName = p.Base.LoadWithDefault("common.cluster.name", "")
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}
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///////////////////////////////////////////////////////////////////////////////
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// --- rootcoord ---
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type rootCoordConfig struct {
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Base *BaseTable
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Address string
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Port int
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DmlChannelNum int64
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MaxPartitionNum int64
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MinSegmentSizeToEnableIndex int64
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ImportTaskExpiration float64
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ImportTaskRetention float64
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ImportSegmentStateCheckInterval float64
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ImportSegmentStateWaitLimit float64
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ImportIndexCheckInterval float64
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ImportIndexWaitLimit float64
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// --- ETCD Path ---
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ImportTaskSubPath string
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CreatedTime time.Time
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UpdatedTime time.Time
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}
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func (p *rootCoordConfig) init(base *BaseTable) {
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p.Base = base
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p.DmlChannelNum = p.Base.ParseInt64WithDefault("rootCoord.dmlChannelNum", 256)
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p.MaxPartitionNum = p.Base.ParseInt64WithDefault("rootCoord.maxPartitionNum", 4096)
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p.MinSegmentSizeToEnableIndex = p.Base.ParseInt64WithDefault("rootCoord.minSegmentSizeToEnableIndex", 1024)
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p.ImportTaskExpiration = p.Base.ParseFloatWithDefault("rootCoord.importTaskExpiration", 15*60)
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p.ImportTaskRetention = p.Base.ParseFloatWithDefault("rootCoord.importTaskRetention", 24*60*60)
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p.ImportSegmentStateCheckInterval = p.Base.ParseFloatWithDefault("rootCoord.importSegmentStateCheckInterval", 10)
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p.ImportSegmentStateWaitLimit = p.Base.ParseFloatWithDefault("rootCoord.importSegmentStateWaitLimit", 60)
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p.ImportIndexCheckInterval = p.Base.ParseFloatWithDefault("rootCoord.importIndexCheckInterval", 10)
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p.ImportIndexWaitLimit = p.Base.ParseFloatWithDefault("rootCoord.importIndexWaitLimit", 10*60)
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p.ImportTaskSubPath = "importtask"
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}
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///////////////////////////////////////////////////////////////////////////////
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// --- proxy ---
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type proxyConfig struct {
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Base *BaseTable
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// NetworkPort & IP are not used
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NetworkPort int
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IP string
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NetworkAddress string
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Alias string
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NodeID atomic.Value
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TimeTickInterval time.Duration
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MsgStreamTimeTickBufSize int64
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MaxNameLength int64
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MaxUsernameLength int64
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MinPasswordLength int64
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MaxPasswordLength int64
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MaxFieldNum int64
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MaxShardNum int32
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MaxDimension int64
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GinLogging bool
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MaxUserNum int
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MaxRoleNum int
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// required from QueryCoord
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SearchResultChannelNames []string
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RetrieveResultChannelNames []string
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MaxTaskNum int64
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CreatedTime time.Time
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UpdatedTime time.Time
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}
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func (p *proxyConfig) init(base *BaseTable) {
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p.Base = base
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p.NodeID.Store(UniqueID(0))
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p.initTimeTickInterval()
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p.initMsgStreamTimeTickBufSize()
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p.initMaxNameLength()
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p.initMinPasswordLength()
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p.initMaxUsernameLength()
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p.initMaxPasswordLength()
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p.initMaxFieldNum()
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p.initMaxShardNum()
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p.initMaxDimension()
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p.initMaxTaskNum()
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p.initGinLogging()
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p.initMaxUserNum()
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p.initMaxRoleNum()
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}
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// InitAlias initialize Alias member.
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func (p *proxyConfig) InitAlias(alias string) {
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p.Alias = alias
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}
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func (p *proxyConfig) initTimeTickInterval() {
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interval := p.Base.ParseIntWithDefault("proxy.timeTickInterval", 200)
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p.TimeTickInterval = time.Duration(interval) * time.Millisecond
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}
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func (p *proxyConfig) initMsgStreamTimeTickBufSize() {
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p.MsgStreamTimeTickBufSize = p.Base.ParseInt64WithDefault("proxy.msgStream.timeTick.bufSize", 512)
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}
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func (p *proxyConfig) initMaxNameLength() {
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str := p.Base.LoadWithDefault("proxy.maxNameLength", "255")
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maxNameLength, err := strconv.ParseInt(str, 10, 64)
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if err != nil {
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panic(err)
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}
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p.MaxNameLength = maxNameLength
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}
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func (p *proxyConfig) initMaxUsernameLength() {
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str := p.Base.LoadWithDefault("proxy.maxUsernameLength", "32")
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maxUsernameLength, err := strconv.ParseInt(str, 10, 64)
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if err != nil {
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panic(err)
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}
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p.MaxUsernameLength = maxUsernameLength
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}
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func (p *proxyConfig) initMinPasswordLength() {
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str := p.Base.LoadWithDefault("proxy.minPasswordLength", "6")
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minPasswordLength, err := strconv.ParseInt(str, 10, 64)
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if err != nil {
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panic(err)
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}
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p.MinPasswordLength = minPasswordLength
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}
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|
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func (p *proxyConfig) initMaxPasswordLength() {
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str := p.Base.LoadWithDefault("proxy.maxPasswordLength", "256")
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maxPasswordLength, err := strconv.ParseInt(str, 10, 64)
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if err != nil {
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panic(err)
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}
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p.MaxPasswordLength = maxPasswordLength
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}
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|
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func (p *proxyConfig) initMaxShardNum() {
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str := p.Base.LoadWithDefault("proxy.maxShardNum", "256")
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maxShardNum, err := strconv.ParseInt(str, 10, 64)
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if err != nil {
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panic(err)
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}
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p.MaxShardNum = int32(maxShardNum)
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}
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|
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func (p *proxyConfig) initMaxFieldNum() {
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str := p.Base.LoadWithDefault("proxy.maxFieldNum", "64")
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maxFieldNum, err := strconv.ParseInt(str, 10, 64)
|
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if err != nil {
|
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panic(err)
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}
|
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p.MaxFieldNum = maxFieldNum
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}
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|
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func (p *proxyConfig) initMaxDimension() {
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str := p.Base.LoadWithDefault("proxy.maxDimension", "32768")
|
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maxDimension, err := strconv.ParseInt(str, 10, 64)
|
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if err != nil {
|
|
panic(err)
|
|
}
|
|
p.MaxDimension = maxDimension
|
|
}
|
|
|
|
func (p *proxyConfig) initMaxTaskNum() {
|
|
p.MaxTaskNum = p.Base.ParseInt64WithDefault("proxy.maxTaskNum", 1024)
|
|
}
|
|
|
|
func (p *proxyConfig) initGinLogging() {
|
|
// Gin logging is on by default.
|
|
p.GinLogging = p.Base.ParseBool("proxy.ginLogging", true)
|
|
}
|
|
|
|
func (p *proxyConfig) SetNodeID(id UniqueID) {
|
|
p.NodeID.Store(id)
|
|
}
|
|
|
|
func (p *proxyConfig) GetNodeID() UniqueID {
|
|
val := p.NodeID.Load()
|
|
if val != nil {
|
|
return val.(UniqueID)
|
|
}
|
|
return 0
|
|
}
|
|
|
|
func (p *proxyConfig) initMaxUserNum() {
|
|
str := p.Base.LoadWithDefault("proxy.maxUserNum", "100")
|
|
maxUserNum, err := strconv.ParseInt(str, 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.MaxUserNum = int(maxUserNum)
|
|
}
|
|
|
|
func (p *proxyConfig) initMaxRoleNum() {
|
|
str := p.Base.LoadWithDefault("proxy.maxRoleNum", "10")
|
|
maxRoleNum, err := strconv.ParseInt(str, 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.MaxRoleNum = int(maxRoleNum)
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// --- querycoord ---
|
|
type queryCoordConfig struct {
|
|
Base *BaseTable
|
|
|
|
Address string
|
|
Port int
|
|
NodeID atomic.Value
|
|
|
|
CreatedTime time.Time
|
|
UpdatedTime time.Time
|
|
|
|
//---- Task ---
|
|
RetryNum int32
|
|
RetryInterval int64
|
|
|
|
//---- Handoff ---
|
|
AutoHandoff bool
|
|
|
|
//---- Balance ---
|
|
AutoBalance bool
|
|
OverloadedMemoryThresholdPercentage float64
|
|
BalanceIntervalSeconds int64
|
|
MemoryUsageMaxDifferencePercentage float64
|
|
}
|
|
|
|
func (p *queryCoordConfig) init(base *BaseTable) {
|
|
p.Base = base
|
|
p.NodeID.Store(UniqueID(0))
|
|
|
|
//---- Task ---
|
|
p.initTaskRetryNum()
|
|
p.initTaskRetryInterval()
|
|
|
|
//---- Handoff ---
|
|
p.initAutoHandoff()
|
|
|
|
//---- Balance ---
|
|
p.initAutoBalance()
|
|
p.initOverloadedMemoryThresholdPercentage()
|
|
p.initBalanceIntervalSeconds()
|
|
p.initMemoryUsageMaxDifferencePercentage()
|
|
}
|
|
|
|
func (p *queryCoordConfig) initTaskRetryNum() {
|
|
p.RetryNum = p.Base.ParseInt32WithDefault("queryCoord.task.retrynum", 5)
|
|
}
|
|
|
|
func (p *queryCoordConfig) initTaskRetryInterval() {
|
|
p.RetryInterval = p.Base.ParseInt64WithDefault("queryCoord.task.retryinterval", int64(10*time.Second))
|
|
}
|
|
|
|
func (p *queryCoordConfig) initAutoHandoff() {
|
|
handoff, err := p.Base.Load("queryCoord.autoHandoff")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.AutoHandoff, err = strconv.ParseBool(handoff)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func (p *queryCoordConfig) initAutoBalance() {
|
|
balanceStr := p.Base.LoadWithDefault("queryCoord.autoBalance", "false")
|
|
autoBalance, err := strconv.ParseBool(balanceStr)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.AutoBalance = autoBalance
|
|
}
|
|
|
|
func (p *queryCoordConfig) initOverloadedMemoryThresholdPercentage() {
|
|
overloadedMemoryThresholdPercentage := p.Base.LoadWithDefault("queryCoord.overloadedMemoryThresholdPercentage", "90")
|
|
thresholdPercentage, err := strconv.ParseInt(overloadedMemoryThresholdPercentage, 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.OverloadedMemoryThresholdPercentage = float64(thresholdPercentage) / 100
|
|
}
|
|
|
|
func (p *queryCoordConfig) initBalanceIntervalSeconds() {
|
|
balanceInterval := p.Base.LoadWithDefault("queryCoord.balanceIntervalSeconds", "60")
|
|
interval, err := strconv.ParseInt(balanceInterval, 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.BalanceIntervalSeconds = interval
|
|
}
|
|
|
|
func (p *queryCoordConfig) initMemoryUsageMaxDifferencePercentage() {
|
|
maxDiff := p.Base.LoadWithDefault("queryCoord.memoryUsageMaxDifferencePercentage", "30")
|
|
diffPercentage, err := strconv.ParseInt(maxDiff, 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.MemoryUsageMaxDifferencePercentage = float64(diffPercentage) / 100
|
|
}
|
|
|
|
func (p *queryCoordConfig) SetNodeID(id UniqueID) {
|
|
p.NodeID.Store(id)
|
|
}
|
|
|
|
func (p *queryCoordConfig) GetNodeID() UniqueID {
|
|
val := p.NodeID.Load()
|
|
if val != nil {
|
|
return val.(UniqueID)
|
|
}
|
|
return 0
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// --- querynode ---
|
|
type queryNodeConfig struct {
|
|
Base *BaseTable
|
|
|
|
Alias string
|
|
QueryNodeIP string
|
|
QueryNodePort int64
|
|
NodeID atomic.Value
|
|
|
|
FlowGraphMaxQueueLength int32
|
|
FlowGraphMaxParallelism int32
|
|
|
|
// stats
|
|
StatsPublishInterval int
|
|
|
|
SliceIndex int
|
|
|
|
// segcore
|
|
ChunkRows int64
|
|
SmallIndexNlist int64
|
|
SmallIndexNProbe int64
|
|
|
|
CreatedTime time.Time
|
|
UpdatedTime time.Time
|
|
|
|
// memory limit
|
|
LoadMemoryUsageFactor float64
|
|
OverloadedMemoryThresholdPercentage float64
|
|
|
|
// cache limit
|
|
CacheEnabled bool
|
|
CacheMemoryLimit int64
|
|
|
|
GroupEnabled bool
|
|
MaxReceiveChanSize int32
|
|
MaxUnsolvedQueueSize int32
|
|
MaxReadConcurrency int32
|
|
MaxGroupNQ int64
|
|
TopKMergeRatio float64
|
|
CPURatio float64
|
|
}
|
|
|
|
func (p *queryNodeConfig) init(base *BaseTable) {
|
|
p.Base = base
|
|
p.NodeID.Store(UniqueID(0))
|
|
|
|
p.initFlowGraphMaxQueueLength()
|
|
p.initFlowGraphMaxParallelism()
|
|
|
|
p.initStatsPublishInterval()
|
|
|
|
p.initSmallIndexParams()
|
|
|
|
p.initLoadMemoryUsageFactor()
|
|
p.initOverloadedMemoryThresholdPercentage()
|
|
|
|
p.initCacheMemoryLimit()
|
|
p.initCacheEnabled()
|
|
|
|
p.initGroupEnabled()
|
|
p.initMaxReceiveChanSize()
|
|
p.initMaxReadConcurrency()
|
|
p.initMaxUnsolvedQueueSize()
|
|
p.initMaxGroupNQ()
|
|
p.initTopKMergeRatio()
|
|
p.initCPURatio()
|
|
}
|
|
|
|
// InitAlias initializes an alias for the QueryNode role.
|
|
func (p *queryNodeConfig) InitAlias(alias string) {
|
|
p.Alias = alias
|
|
}
|
|
|
|
// advanced params
|
|
// stats
|
|
func (p *queryNodeConfig) initStatsPublishInterval() {
|
|
p.StatsPublishInterval = p.Base.ParseIntWithDefault("queryNode.stats.publishInterval", 1000)
|
|
}
|
|
|
|
// dataSync:
|
|
func (p *queryNodeConfig) initFlowGraphMaxQueueLength() {
|
|
p.FlowGraphMaxQueueLength = p.Base.ParseInt32WithDefault("queryNode.dataSync.flowGraph.maxQueueLength", 1024)
|
|
}
|
|
|
|
func (p *queryNodeConfig) initFlowGraphMaxParallelism() {
|
|
p.FlowGraphMaxParallelism = p.Base.ParseInt32WithDefault("queryNode.dataSync.flowGraph.maxParallelism", 1024)
|
|
}
|
|
|
|
func (p *queryNodeConfig) initSmallIndexParams() {
|
|
p.ChunkRows = p.Base.ParseInt64WithDefault("queryNode.segcore.chunkRows", 1024)
|
|
if p.ChunkRows < 1024 {
|
|
log.Warn("chunk rows can not be less than 1024, force set to 1024", zap.Any("current", p.ChunkRows))
|
|
p.ChunkRows = 1024
|
|
}
|
|
|
|
// default NList is the first nlist
|
|
var defaultNList int64
|
|
for i := int64(0); i < p.ChunkRows; i++ {
|
|
if math.Pow(2.0, float64(i)) > math.Sqrt(float64(p.ChunkRows)) {
|
|
defaultNList = int64(math.Pow(2, float64(i)))
|
|
break
|
|
}
|
|
}
|
|
|
|
p.SmallIndexNlist = p.Base.ParseInt64WithDefault("queryNode.segcore.smallIndex.nlist", defaultNList)
|
|
if p.SmallIndexNlist > p.ChunkRows/8 {
|
|
log.Warn("small index nlist must smaller than chunkRows/8, force set to", zap.Any("nliit", p.ChunkRows/8))
|
|
p.SmallIndexNlist = p.ChunkRows / 8
|
|
}
|
|
|
|
defaultNprobe := p.SmallIndexNlist / 16
|
|
p.SmallIndexNProbe = p.Base.ParseInt64WithDefault("queryNode.segcore.smallIndex.nprobe", defaultNprobe)
|
|
if p.SmallIndexNProbe > p.SmallIndexNlist {
|
|
log.Warn("small index nprobe must smaller than nlist, force set to", zap.Any("nprobe", p.SmallIndexNlist))
|
|
p.SmallIndexNProbe = p.SmallIndexNlist
|
|
}
|
|
}
|
|
|
|
func (p *queryNodeConfig) initLoadMemoryUsageFactor() {
|
|
loadMemoryUsageFactor := p.Base.LoadWithDefault("queryNode.loadMemoryUsageFactor", "3")
|
|
factor, err := strconv.ParseFloat(loadMemoryUsageFactor, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.LoadMemoryUsageFactor = factor
|
|
}
|
|
|
|
func (p *queryNodeConfig) initOverloadedMemoryThresholdPercentage() {
|
|
overloadedMemoryThresholdPercentage := p.Base.LoadWithDefault("queryCoord.overloadedMemoryThresholdPercentage", "90")
|
|
thresholdPercentage, err := strconv.ParseInt(overloadedMemoryThresholdPercentage, 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.OverloadedMemoryThresholdPercentage = float64(thresholdPercentage) / 100
|
|
}
|
|
|
|
func (p *queryNodeConfig) initCacheMemoryLimit() {
|
|
overloadedMemoryThresholdPercentage := p.Base.LoadWithDefault("queryNode.cache.memoryLimit", "2147483648")
|
|
cacheMemoryLimit, err := strconv.ParseInt(overloadedMemoryThresholdPercentage, 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.CacheMemoryLimit = cacheMemoryLimit
|
|
}
|
|
|
|
func (p *queryNodeConfig) initCacheEnabled() {
|
|
var err error
|
|
cacheEnabled := p.Base.LoadWithDefault("queryNode.cache.enabled", "true")
|
|
p.CacheEnabled, err = strconv.ParseBool(cacheEnabled)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
}
|
|
|
|
func (p *queryNodeConfig) initGroupEnabled() {
|
|
p.GroupEnabled = p.Base.ParseBool("queryNode.grouping.enabled", true)
|
|
}
|
|
|
|
func (p *queryNodeConfig) initMaxReceiveChanSize() {
|
|
p.MaxReceiveChanSize = p.Base.ParseInt32WithDefault("queryNode.scheduler.receiveChanSize", 10240)
|
|
}
|
|
|
|
func (p *queryNodeConfig) initMaxUnsolvedQueueSize() {
|
|
p.MaxUnsolvedQueueSize = p.Base.ParseInt32WithDefault("queryNode.scheduler.unsolvedQueueSize", 10240)
|
|
}
|
|
|
|
func (p *queryNodeConfig) initCPURatio() {
|
|
p.CPURatio = p.Base.ParseFloatWithDefault("queryNode.scheduler.cpuRatio", 10.0)
|
|
}
|
|
|
|
func (p *queryNodeConfig) initMaxReadConcurrency() {
|
|
p.MaxReadConcurrency = p.Base.ParseInt32WithDefault("queryNode.scheduler.maxReadConcurrency", 0)
|
|
if p.MaxReadConcurrency <= 0 {
|
|
p.MaxReadConcurrency = math.MaxInt32
|
|
}
|
|
}
|
|
|
|
func (p *queryNodeConfig) initMaxGroupNQ() {
|
|
p.MaxGroupNQ = p.Base.ParseInt64WithDefault("queryNode.grouping.maxNQ", 1000)
|
|
}
|
|
|
|
func (p *queryNodeConfig) initTopKMergeRatio() {
|
|
p.TopKMergeRatio = p.Base.ParseFloatWithDefault("queryNode.grouping.topKMergeRatio", 10.0)
|
|
}
|
|
|
|
func (p *queryNodeConfig) SetNodeID(id UniqueID) {
|
|
p.NodeID.Store(id)
|
|
}
|
|
|
|
func (p *queryNodeConfig) GetNodeID() UniqueID {
|
|
val := p.NodeID.Load()
|
|
if val != nil {
|
|
return val.(UniqueID)
|
|
}
|
|
return 0
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// --- datacoord ---
|
|
type dataCoordConfig struct {
|
|
Base *BaseTable
|
|
|
|
NodeID atomic.Value
|
|
|
|
IP string
|
|
Port int
|
|
Address string
|
|
|
|
// --- ETCD ---
|
|
ChannelWatchSubPath string
|
|
|
|
// --- SEGMENTS ---
|
|
SegmentMaxSize float64
|
|
SegmentSealProportion float64
|
|
SegAssignmentExpiration int64
|
|
SegmentMaxLifetime time.Duration
|
|
|
|
CreatedTime time.Time
|
|
UpdatedTime time.Time
|
|
|
|
// compaction
|
|
EnableCompaction bool
|
|
EnableAutoCompaction atomic.Value
|
|
|
|
MinSegmentToMerge int
|
|
MaxSegmentToMerge int
|
|
SegmentSmallProportion float64
|
|
CompactionTimeoutInSeconds int32
|
|
CompactionCheckIntervalInSeconds int64
|
|
SingleCompactionRatioThreshold float32
|
|
SingleCompactionDeltaLogMaxSize int64
|
|
SingleCompactionExpiredLogMaxSize int64
|
|
SingleCompactionBinlogMaxNum int64
|
|
GlobalCompactionInterval time.Duration
|
|
|
|
// Garbage Collection
|
|
EnableGarbageCollection bool
|
|
GCInterval time.Duration
|
|
GCMissingTolerance time.Duration
|
|
GCDropTolerance time.Duration
|
|
}
|
|
|
|
func (p *dataCoordConfig) init(base *BaseTable) {
|
|
p.Base = base
|
|
p.initChannelWatchPrefix()
|
|
|
|
p.initSegmentMaxSize()
|
|
p.initSegmentSealProportion()
|
|
p.initSegAssignmentExpiration()
|
|
p.initSegmentMaxLifetime()
|
|
|
|
p.initEnableCompaction()
|
|
p.initEnableAutoCompaction()
|
|
|
|
p.initCompactionMinSegment()
|
|
p.initCompactionMaxSegment()
|
|
p.initSegmentSmallProportion()
|
|
p.initCompactionTimeoutInSeconds()
|
|
p.initCompactionCheckIntervalInSeconds()
|
|
p.initSingleCompactionRatioThreshold()
|
|
p.initSingleCompactionDeltaLogMaxSize()
|
|
p.initSingleCompactionExpiredLogMaxSize()
|
|
p.initSingleCompactionBinlogMaxNum()
|
|
p.initGlobalCompactionInterval()
|
|
|
|
p.initEnableGarbageCollection()
|
|
p.initGCInterval()
|
|
p.initGCMissingTolerance()
|
|
p.initGCDropTolerance()
|
|
}
|
|
|
|
func (p *dataCoordConfig) initSegmentMaxSize() {
|
|
p.SegmentMaxSize = p.Base.ParseFloatWithDefault("dataCoord.segment.maxSize", 512.0)
|
|
}
|
|
|
|
func (p *dataCoordConfig) initSegmentSealProportion() {
|
|
p.SegmentSealProportion = p.Base.ParseFloatWithDefault("dataCoord.segment.sealProportion", 0.25)
|
|
}
|
|
|
|
func (p *dataCoordConfig) initSegAssignmentExpiration() {
|
|
p.SegAssignmentExpiration = p.Base.ParseInt64WithDefault("dataCoord.segment.assignmentExpiration", 2000)
|
|
}
|
|
|
|
func (p *dataCoordConfig) initSegmentMaxLifetime() {
|
|
p.SegmentMaxLifetime = time.Duration(p.Base.ParseInt64WithDefault("dataCoord.segment.maxLife", 24*60*60)) * time.Second
|
|
}
|
|
|
|
func (p *dataCoordConfig) initChannelWatchPrefix() {
|
|
// WARN: this value should not be put to milvus.yaml. It's a default value for channel watch path.
|
|
// This will be removed after we reconstruct our config module.
|
|
p.ChannelWatchSubPath = "channelwatch"
|
|
}
|
|
|
|
func (p *dataCoordConfig) initEnableCompaction() {
|
|
p.EnableCompaction = p.Base.ParseBool("dataCoord.enableCompaction", false)
|
|
}
|
|
|
|
func (p *dataCoordConfig) initEnableAutoCompaction() {
|
|
p.EnableAutoCompaction.Store(p.Base.ParseBool("dataCoord.compaction.enableAutoCompaction", false))
|
|
}
|
|
|
|
func (p *dataCoordConfig) initCompactionMinSegment() {
|
|
p.MinSegmentToMerge = p.Base.ParseIntWithDefault("dataCoord.compaction.min.segment", 4)
|
|
}
|
|
|
|
func (p *dataCoordConfig) initCompactionMaxSegment() {
|
|
p.MaxSegmentToMerge = p.Base.ParseIntWithDefault("dataCoord.compaction.max.segment", 30)
|
|
}
|
|
|
|
func (p *dataCoordConfig) initSegmentSmallProportion() {
|
|
p.SegmentSmallProportion = p.Base.ParseFloatWithDefault("dataCoord.segment.smallProportion", 0.5)
|
|
}
|
|
|
|
// compaction execution timeout
|
|
func (p *dataCoordConfig) initCompactionTimeoutInSeconds() {
|
|
p.CompactionTimeoutInSeconds = p.Base.ParseInt32WithDefault("dataCoord.compaction.timeout", 60*3)
|
|
}
|
|
|
|
func (p *dataCoordConfig) initCompactionCheckIntervalInSeconds() {
|
|
p.CompactionCheckIntervalInSeconds = p.Base.ParseInt64WithDefault("dataCoord.compaction.check.interval", 10)
|
|
}
|
|
|
|
// if total delete entities is large than a ratio of total entities, trigger single compaction.
|
|
func (p *dataCoordConfig) initSingleCompactionRatioThreshold() {
|
|
p.SingleCompactionRatioThreshold = float32(p.Base.ParseFloatWithDefault("dataCoord.compaction.single.ratio.threshold", 0.2))
|
|
}
|
|
|
|
// if total delta file size > SingleCompactionDeltaLogMaxSize, trigger single compaction
|
|
func (p *dataCoordConfig) initSingleCompactionDeltaLogMaxSize() {
|
|
p.SingleCompactionDeltaLogMaxSize = p.Base.ParseInt64WithDefault("dataCoord.compaction.single.deltalog.maxsize", 2*1024*1024)
|
|
}
|
|
|
|
// if total expired file size > SingleCompactionExpiredLogMaxSize, trigger single compaction
|
|
func (p *dataCoordConfig) initSingleCompactionExpiredLogMaxSize() {
|
|
p.SingleCompactionExpiredLogMaxSize = p.Base.ParseInt64WithDefault("dataCoord.compaction.single.expiredlog.maxsize", 10*1024*1024)
|
|
}
|
|
|
|
// if total binlog number > SingleCompactionBinlogMaxNum, trigger single compaction to ensure binlog number per segment is limited
|
|
func (p *dataCoordConfig) initSingleCompactionBinlogMaxNum() {
|
|
p.SingleCompactionBinlogMaxNum = p.Base.ParseInt64WithDefault("dataCoord.compaction.single.binlog.maxnum", 1000)
|
|
}
|
|
|
|
// interval we check and trigger global compaction
|
|
func (p *dataCoordConfig) initGlobalCompactionInterval() {
|
|
p.GlobalCompactionInterval = time.Duration(p.Base.ParseInt64WithDefault("dataCoord.compaction.global.interval", int64(60*time.Second)))
|
|
}
|
|
|
|
// -- GC --
|
|
func (p *dataCoordConfig) initEnableGarbageCollection() {
|
|
p.EnableGarbageCollection = p.Base.ParseBool("dataCoord.enableGarbageCollection", true)
|
|
}
|
|
|
|
func (p *dataCoordConfig) initGCInterval() {
|
|
p.GCInterval = time.Duration(p.Base.ParseInt64WithDefault("dataCoord.gc.interval", 60*60)) * time.Second
|
|
}
|
|
|
|
func (p *dataCoordConfig) initGCMissingTolerance() {
|
|
p.GCMissingTolerance = time.Duration(p.Base.ParseInt64WithDefault("dataCoord.gc.missingTolerance", 24*60*60)) * time.Second
|
|
}
|
|
|
|
func (p *dataCoordConfig) initGCDropTolerance() {
|
|
p.GCDropTolerance = time.Duration(p.Base.ParseInt64WithDefault("dataCoord.gc.dropTolerance", 24*60*60)) * time.Second
|
|
}
|
|
|
|
func (p *dataCoordConfig) SetEnableAutoCompaction(enable bool) {
|
|
p.EnableAutoCompaction.Store(enable)
|
|
}
|
|
|
|
func (p *dataCoordConfig) GetEnableAutoCompaction() bool {
|
|
enable := p.EnableAutoCompaction.Load()
|
|
if enable != nil {
|
|
return enable.(bool)
|
|
}
|
|
return false
|
|
}
|
|
|
|
func (p *dataCoordConfig) SetNodeID(id UniqueID) {
|
|
p.NodeID.Store(id)
|
|
}
|
|
|
|
func (p *dataCoordConfig) GetNodeID() UniqueID {
|
|
val := p.NodeID.Load()
|
|
if val != nil {
|
|
return val.(UniqueID)
|
|
}
|
|
return 0
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// --- datanode ---
|
|
type dataNodeConfig struct {
|
|
Base *BaseTable
|
|
|
|
// ID of the current node
|
|
//NodeID atomic.Value
|
|
NodeID atomic.Value
|
|
// IP of the current DataNode
|
|
IP string
|
|
|
|
// Port of the current DataNode
|
|
Port int
|
|
FlowGraphMaxQueueLength int32
|
|
FlowGraphMaxParallelism int32
|
|
FlushInsertBufferSize int64
|
|
InsertBinlogRootPath string
|
|
StatsBinlogRootPath string
|
|
DeleteBinlogRootPath string
|
|
Alias string // Different datanode in one machine
|
|
|
|
// etcd
|
|
ChannelWatchSubPath string
|
|
|
|
// io concurrency to fetch stats logs
|
|
IOConcurrency int
|
|
|
|
CreatedTime time.Time
|
|
UpdatedTime time.Time
|
|
}
|
|
|
|
func (p *dataNodeConfig) init(base *BaseTable) {
|
|
p.Base = base
|
|
p.NodeID.Store(UniqueID(0))
|
|
p.initFlowGraphMaxQueueLength()
|
|
p.initFlowGraphMaxParallelism()
|
|
p.initFlushInsertBufferSize()
|
|
p.initInsertBinlogRootPath()
|
|
p.initStatsBinlogRootPath()
|
|
p.initDeleteBinlogRootPath()
|
|
p.initIOConcurrency()
|
|
|
|
p.initChannelWatchPath()
|
|
}
|
|
|
|
// InitAlias init this DataNode alias
|
|
func (p *dataNodeConfig) InitAlias(alias string) {
|
|
p.Alias = alias
|
|
}
|
|
|
|
func (p *dataNodeConfig) initFlowGraphMaxQueueLength() {
|
|
p.FlowGraphMaxQueueLength = p.Base.ParseInt32WithDefault("dataNode.dataSync.flowGraph.maxQueueLength", 1024)
|
|
}
|
|
|
|
func (p *dataNodeConfig) initFlowGraphMaxParallelism() {
|
|
p.FlowGraphMaxParallelism = p.Base.ParseInt32WithDefault("dataNode.dataSync.flowGraph.maxParallelism", 1024)
|
|
}
|
|
|
|
func (p *dataNodeConfig) initFlushInsertBufferSize() {
|
|
bufferSize := p.Base.LoadWithDefault2([]string{"DATA_NODE_IBUFSIZE", "datanode.flush.insertBufSize"}, "0")
|
|
bs, err := strconv.ParseInt(bufferSize, 10, 64)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.FlushInsertBufferSize = bs
|
|
}
|
|
|
|
func (p *dataNodeConfig) initInsertBinlogRootPath() {
|
|
// GOOSE TODO: rootPath change to TenentID
|
|
rootPath, err := p.Base.Load("minio.rootPath")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.InsertBinlogRootPath = path.Join(rootPath, "insert_log")
|
|
}
|
|
|
|
func (p *dataNodeConfig) initStatsBinlogRootPath() {
|
|
rootPath, err := p.Base.Load("minio.rootPath")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.StatsBinlogRootPath = path.Join(rootPath, "stats_log")
|
|
}
|
|
|
|
func (p *dataNodeConfig) initDeleteBinlogRootPath() {
|
|
rootPath, err := p.Base.Load("minio.rootPath")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.DeleteBinlogRootPath = path.Join(rootPath, "delta_log")
|
|
}
|
|
|
|
func (p *dataNodeConfig) initChannelWatchPath() {
|
|
p.ChannelWatchSubPath = "channelwatch"
|
|
}
|
|
|
|
func (p *dataNodeConfig) initIOConcurrency() {
|
|
p.IOConcurrency = p.Base.ParseIntWithDefault("dataNode.dataSync.ioConcurrency", 10)
|
|
}
|
|
|
|
func (p *dataNodeConfig) SetNodeID(id UniqueID) {
|
|
p.NodeID.Store(id)
|
|
}
|
|
|
|
func (p *dataNodeConfig) GetNodeID() UniqueID {
|
|
val := p.NodeID.Load()
|
|
if val != nil {
|
|
return val.(UniqueID)
|
|
}
|
|
return 0
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// --- indexcoord ---
|
|
type indexCoordConfig struct {
|
|
Base *BaseTable
|
|
|
|
Address string
|
|
Port int
|
|
|
|
IndexStorageRootPath string
|
|
MinSegmentNumRowsToEnableIndex int64
|
|
|
|
GCInterval time.Duration
|
|
|
|
CreatedTime time.Time
|
|
UpdatedTime time.Time
|
|
}
|
|
|
|
func (p *indexCoordConfig) init(base *BaseTable) {
|
|
p.Base = base
|
|
|
|
p.initIndexStorageRootPath()
|
|
p.initGCInterval()
|
|
p.initMinSegmentNumRowsToEnableIndex()
|
|
}
|
|
|
|
// initIndexStorageRootPath initializes the root path of index files.
|
|
func (p *indexCoordConfig) initIndexStorageRootPath() {
|
|
rootPath, err := p.Base.Load("minio.rootPath")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.IndexStorageRootPath = path.Join(rootPath, "index_files")
|
|
}
|
|
|
|
func (p *indexCoordConfig) initMinSegmentNumRowsToEnableIndex() {
|
|
p.MinSegmentNumRowsToEnableIndex = p.Base.ParseInt64WithDefault("indexCoord.minSegmentNumRowsToEnableIndex", 1024)
|
|
}
|
|
|
|
func (p *indexCoordConfig) initGCInterval() {
|
|
p.GCInterval = time.Duration(p.Base.ParseInt64WithDefault("indexCoord.gc.interval", 60*10)) * time.Second
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// --- indexnode ---
|
|
type indexNodeConfig struct {
|
|
Base *BaseTable
|
|
|
|
IP string
|
|
Address string
|
|
Port int
|
|
|
|
NodeID atomic.Value
|
|
|
|
Alias string
|
|
|
|
IndexStorageRootPath string
|
|
BuildParallel int
|
|
|
|
CreatedTime time.Time
|
|
UpdatedTime time.Time
|
|
}
|
|
|
|
func (p *indexNodeConfig) init(base *BaseTable) {
|
|
p.Base = base
|
|
p.NodeID.Store(UniqueID(0))
|
|
p.initIndexStorageRootPath()
|
|
p.initBuildParallel()
|
|
}
|
|
|
|
// InitAlias initializes an alias for the IndexNode role.
|
|
func (p *indexNodeConfig) InitAlias(alias string) {
|
|
p.Alias = alias
|
|
}
|
|
|
|
func (p *indexNodeConfig) initIndexStorageRootPath() {
|
|
rootPath, err := p.Base.Load("minio.rootPath")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
p.IndexStorageRootPath = path.Join(rootPath, "index_files")
|
|
}
|
|
|
|
func (p *indexNodeConfig) initBuildParallel() {
|
|
p.BuildParallel = p.Base.ParseIntWithDefault("indexNode.scheduler.buildParallel", 1)
|
|
}
|
|
|
|
func (p *indexNodeConfig) SetNodeID(id UniqueID) {
|
|
p.NodeID.Store(id)
|
|
}
|
|
|
|
func (p *indexNodeConfig) GetNodeID() UniqueID {
|
|
val := p.NodeID.Load()
|
|
if val != nil {
|
|
return val.(UniqueID)
|
|
}
|
|
return 0
|
|
}
|