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https://gitee.com/milvus-io/milvus.git
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ddd918ba04
This PR change frequency log of check shard leader to rated level --------- Signed-off-by: Wei Liu <wei.liu@zilliz.com>
82 lines
2.7 KiB
Go
82 lines
2.7 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "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
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package checkers
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import (
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"context"
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"fmt"
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"go.uber.org/zap"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/querycoordv2/meta"
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"github.com/milvus-io/milvus/internal/querycoordv2/session"
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"github.com/milvus-io/milvus/pkg/log"
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"github.com/milvus-io/milvus/pkg/util/merr"
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)
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func CheckNodeAvailable(nodeID int64, info *session.NodeInfo) error {
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if info == nil {
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return merr.WrapErrNodeOffline(nodeID)
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}
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return nil
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}
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// In a replica, a shard is available, if and only if:
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// 1. The leader is online
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// 2. All QueryNodes in the distribution are online
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// 3. The last heartbeat response time is within HeartbeatAvailableInterval for all QueryNodes(include leader) in the distribution
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// 4. All segments of the shard in target should be in the distribution
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func CheckLeaderAvailable(nodeMgr *session.NodeManager, leader *meta.LeaderView, currentTargets map[int64]*datapb.SegmentInfo) error {
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log := log.Ctx(context.TODO()).
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WithRateGroup("checkers.CheckLeaderAvailable", 1, 60).
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With(zap.Int64("leaderID", leader.ID))
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info := nodeMgr.Get(leader.ID)
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// Check whether leader is online
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err := CheckNodeAvailable(leader.ID, info)
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if err != nil {
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log.Info("leader is not available", zap.Error(err))
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return fmt.Errorf("leader not available: %w", err)
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}
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for id, version := range leader.Segments {
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info := nodeMgr.Get(version.GetNodeID())
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err = CheckNodeAvailable(version.GetNodeID(), info)
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if err != nil {
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log.Info("leader is not available due to QueryNode unavailable",
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zap.Int64("segmentID", id),
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zap.Error(err))
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return err
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}
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}
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// Check whether segments are fully loaded
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for segmentID, info := range currentTargets {
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if info.GetInsertChannel() != leader.Channel {
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continue
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}
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_, exist := leader.Segments[segmentID]
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if !exist {
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log.RatedInfo(10, "leader is not available due to lack of segment", zap.Int64("segmentID", segmentID))
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return merr.WrapErrSegmentLack(segmentID)
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}
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}
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return nil
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}
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