mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-01 11:29:48 +08:00
252 lines
8.0 KiB
Go
252 lines
8.0 KiB
Go
// Licensed to the LF AI & Data foundation under one
|
|
// or more contributor license agreements. See the NOTICE file
|
|
// distributed with this work for additional information
|
|
// regarding copyright ownership. The ASF licenses this file
|
|
// to you under the Apache License, Version 2.0 (the
|
|
// "License"); you may not use this file except in compliance
|
|
// with the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package datacoord
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"sync"
|
|
"time"
|
|
|
|
grpcdatanodeclient "github.com/milvus-io/milvus/internal/distributed/datanode/client"
|
|
"github.com/milvus-io/milvus/internal/log"
|
|
"github.com/milvus-io/milvus/internal/proto/commonpb"
|
|
"github.com/milvus-io/milvus/internal/proto/datapb"
|
|
"github.com/milvus-io/milvus/internal/types"
|
|
"go.uber.org/zap"
|
|
)
|
|
|
|
const (
|
|
flushTimeout = 5 * time.Second
|
|
// TODO: evaluate and update import timeout.
|
|
importTimeout = 3 * time.Hour
|
|
reCollectTimeout = 5 * time.Second
|
|
addSegmentTimeout = 30 * time.Second
|
|
)
|
|
|
|
// SessionManager provides the grpc interfaces of cluster
|
|
type SessionManager struct {
|
|
sessions struct {
|
|
sync.RWMutex
|
|
data map[int64]*Session
|
|
}
|
|
sessionCreator dataNodeCreatorFunc
|
|
}
|
|
|
|
// SessionOpt provides a way to set params in SessionManager
|
|
type SessionOpt func(c *SessionManager)
|
|
|
|
func withSessionCreator(creator dataNodeCreatorFunc) SessionOpt {
|
|
return func(c *SessionManager) { c.sessionCreator = creator }
|
|
}
|
|
|
|
func defaultSessionCreator() dataNodeCreatorFunc {
|
|
return func(ctx context.Context, addr string) (types.DataNode, error) {
|
|
return grpcdatanodeclient.NewClient(ctx, addr)
|
|
}
|
|
}
|
|
|
|
// NewSessionManager creates a new SessionManager
|
|
func NewSessionManager(options ...SessionOpt) *SessionManager {
|
|
m := &SessionManager{
|
|
sessions: struct {
|
|
sync.RWMutex
|
|
data map[int64]*Session
|
|
}{data: make(map[int64]*Session)},
|
|
sessionCreator: defaultSessionCreator(),
|
|
}
|
|
for _, opt := range options {
|
|
opt(m)
|
|
}
|
|
return m
|
|
}
|
|
|
|
// AddSession creates a new session
|
|
func (c *SessionManager) AddSession(node *NodeInfo) {
|
|
c.sessions.Lock()
|
|
defer c.sessions.Unlock()
|
|
|
|
session := NewSession(node, c.sessionCreator)
|
|
c.sessions.data[node.NodeID] = session
|
|
}
|
|
|
|
// DeleteSession removes the node session
|
|
func (c *SessionManager) DeleteSession(node *NodeInfo) {
|
|
c.sessions.Lock()
|
|
defer c.sessions.Unlock()
|
|
|
|
if session, ok := c.sessions.data[node.NodeID]; ok {
|
|
session.Dispose()
|
|
delete(c.sessions.data, node.NodeID)
|
|
}
|
|
}
|
|
|
|
// GetSessions gets all node sessions
|
|
func (c *SessionManager) GetSessions() []*Session {
|
|
c.sessions.RLock()
|
|
defer c.sessions.RUnlock()
|
|
|
|
ret := make([]*Session, 0, len(c.sessions.data))
|
|
for _, s := range c.sessions.data {
|
|
ret = append(ret, s)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
// Flush is a grpc interface. It will send req to nodeID asynchronously
|
|
func (c *SessionManager) Flush(ctx context.Context, nodeID int64, req *datapb.FlushSegmentsRequest) {
|
|
go c.execFlush(ctx, nodeID, req)
|
|
}
|
|
|
|
func (c *SessionManager) execFlush(ctx context.Context, nodeID int64, req *datapb.FlushSegmentsRequest) {
|
|
cli, err := c.getClient(ctx, nodeID)
|
|
if err != nil {
|
|
log.Warn("failed to get dataNode client", zap.Int64("dataNode ID", nodeID), zap.Error(err))
|
|
return
|
|
}
|
|
ctx, cancel := context.WithTimeout(ctx, flushTimeout)
|
|
defer cancel()
|
|
|
|
resp, err := cli.FlushSegments(ctx, req)
|
|
if err := VerifyResponse(resp, err); err != nil {
|
|
log.Error("flush call (perhaps partially) failed", zap.Int64("dataNode ID", nodeID), zap.Error(err))
|
|
} else {
|
|
log.Info("flush call succeeded", zap.Int64("dataNode ID", nodeID))
|
|
}
|
|
}
|
|
|
|
// Compaction is a grpc interface. It will send request to DataNode with provided `nodeID` asynchronously.
|
|
func (c *SessionManager) Compaction(nodeID int64, plan *datapb.CompactionPlan) {
|
|
go c.execCompaction(nodeID, plan)
|
|
}
|
|
|
|
func (c *SessionManager) execCompaction(nodeID int64, plan *datapb.CompactionPlan) {
|
|
ctx, cancel := context.WithTimeout(context.Background(), compactionTimeout)
|
|
defer cancel()
|
|
cli, err := c.getClient(ctx, nodeID)
|
|
if err != nil {
|
|
log.Warn("failed to get client", zap.Int64("nodeID", nodeID), zap.Error(err))
|
|
return
|
|
}
|
|
|
|
resp, err := cli.Compaction(ctx, plan)
|
|
if err := VerifyResponse(resp, err); err != nil {
|
|
log.Warn("failed to execute compaction", zap.Int64("node", nodeID), zap.Error(err), zap.Int64("planID", plan.GetPlanID()))
|
|
return
|
|
}
|
|
|
|
log.Info("success to execute compaction", zap.Int64("node", nodeID), zap.Any("planID", plan.GetPlanID()))
|
|
}
|
|
|
|
// Import is a grpc interface. It will send request to DataNode with provided `nodeID` asynchronously.
|
|
func (c *SessionManager) Import(ctx context.Context, nodeID int64, itr *datapb.ImportTaskRequest) {
|
|
go c.execImport(ctx, nodeID, itr)
|
|
}
|
|
|
|
// execImport gets the corresponding DataNode with its ID and calls its Import method.
|
|
func (c *SessionManager) execImport(ctx context.Context, nodeID int64, itr *datapb.ImportTaskRequest) {
|
|
cli, err := c.getClient(ctx, nodeID)
|
|
if err != nil {
|
|
log.Warn("failed to get client for import", zap.Int64("nodeID", nodeID), zap.Error(err))
|
|
return
|
|
}
|
|
ctx, cancel := context.WithTimeout(ctx, importTimeout)
|
|
defer cancel()
|
|
resp, err := cli.Import(ctx, itr)
|
|
if err := VerifyResponse(resp, err); err != nil {
|
|
log.Warn("failed to import", zap.Int64("node", nodeID), zap.Error(err))
|
|
return
|
|
}
|
|
|
|
log.Info("success to import", zap.Int64("node", nodeID), zap.Any("import task", itr))
|
|
}
|
|
|
|
// ReCollectSegmentStats collects segment stats info from DataNodes, after DataCoord reboots.
|
|
func (c *SessionManager) ReCollectSegmentStats(ctx context.Context, nodeID int64) {
|
|
go c.execReCollectSegmentStats(ctx, nodeID)
|
|
}
|
|
|
|
func (c *SessionManager) execReCollectSegmentStats(ctx context.Context, nodeID int64) {
|
|
cli, err := c.getClient(ctx, nodeID)
|
|
if err != nil {
|
|
log.Warn("failed to get dataNode client", zap.Int64("DataNode ID", nodeID), zap.Error(err))
|
|
return
|
|
}
|
|
ctx, cancel := context.WithTimeout(ctx, reCollectTimeout)
|
|
defer cancel()
|
|
resp, err := cli.ResendSegmentStats(ctx, &datapb.ResendSegmentStatsRequest{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: commonpb.MsgType_ResendSegmentStats,
|
|
SourceID: Params.DataCoordCfg.GetNodeID(),
|
|
},
|
|
})
|
|
if err := VerifyResponse(resp, err); err != nil {
|
|
log.Error("re-collect segment stats call failed",
|
|
zap.Int64("DataNode ID", nodeID), zap.Error(err))
|
|
} else {
|
|
log.Info("re-collect segment stats call succeeded",
|
|
zap.Int64("DataNode ID", nodeID),
|
|
zap.Int64s("segment stat collected", resp.GetSegResent()))
|
|
}
|
|
}
|
|
|
|
// AddSegment calls DataNode with ID == `nodeID` to put the segment into this node.
|
|
func (c *SessionManager) AddSegment(ctx context.Context, nodeID int64, req *datapb.AddSegmentRequest) {
|
|
go c.execAddSegment(ctx, nodeID, req)
|
|
}
|
|
|
|
func (c *SessionManager) execAddSegment(ctx context.Context, nodeID int64, req *datapb.AddSegmentRequest) {
|
|
cli, err := c.getClient(ctx, nodeID)
|
|
if err != nil {
|
|
log.Warn("failed to get client for AddSegment", zap.Int64("DataNode ID", nodeID), zap.Error(err))
|
|
return
|
|
}
|
|
ctx, cancel := context.WithTimeout(ctx, addSegmentTimeout)
|
|
defer cancel()
|
|
req.Base.SourceID = Params.DataCoordCfg.GetNodeID()
|
|
resp, err := cli.AddSegment(ctx, req)
|
|
if err := VerifyResponse(resp, err); err != nil {
|
|
log.Warn("failed to add segment", zap.Int64("DataNode ID", nodeID), zap.Error(err))
|
|
return
|
|
}
|
|
|
|
log.Info("success to add segment", zap.Int64("DataNode ID", nodeID), zap.Any("add segment req", req))
|
|
}
|
|
|
|
func (c *SessionManager) getClient(ctx context.Context, nodeID int64) (types.DataNode, error) {
|
|
c.sessions.RLock()
|
|
session, ok := c.sessions.data[nodeID]
|
|
c.sessions.RUnlock()
|
|
|
|
if !ok {
|
|
return nil, fmt.Errorf("can not find session of node %d", nodeID)
|
|
}
|
|
|
|
return session.GetOrCreateClient(ctx)
|
|
}
|
|
|
|
// Close release sessions
|
|
func (c *SessionManager) Close() {
|
|
c.sessions.Lock()
|
|
defer c.sessions.Unlock()
|
|
|
|
for _, s := range c.sessions.data {
|
|
s.Dispose()
|
|
}
|
|
c.sessions.data = nil
|
|
}
|