刘珍 created IOTDB-4062:
-------------------------
Summary: [ raft log & MetaData ] raft log recovery should not redo
MeasurementAlreadyExist operation
Key: IOTDB-4062
URL: https://issues.apache.org/jira/browse/IOTDB-4062
Project: Apache IoTDB
Issue Type: Improvement
Components: mpp-cluster
Reporter: 刘珍
Assignee: Jialin Qiao
raft log恢复，会重做所有MetaData的写操作，对于失败的元数据写操作比如序列已存在：
[192.168.10.62_50010@group-000200000000-StateMachineUpdater] ERROR
o.a.i.d.m.v.SchemaExecutionVisitor:108 - IoTDB: MetaData error:
org.apache.iotdb.db.exception.metadata.MeasurementAlreadyExistException: Path
[root.bm68_dn62.g_0.d_0.s_1] already exist
不需要重做。
完整的异常：
2022-08-08 17:46:29,045
[192.168.10.62_50010@group-000200000000-StateMachineUpdater] ERROR
o.a.i.d.m.v.SchemaExecutionVisitor:108 - IoTDB: MetaData error:
org.apache.iotdb.db.exception.metadata.MeasurementAlreadyExistException: Path
[root.bm68_dn62.g_0.d_0.s_2] already exist
at
org.apache.iotdb.db.metadata.mtree.MTreeBelowSGMemoryImpl.createTimeseries(MTreeBelowSGMemoryImpl.java:213)
at
org.apache.iotdb.db.metadata.schemaregion.SchemaRegionMemoryImpl.createTimeseries(SchemaRegionMemoryImpl.java:589)
at
org.apache.iotdb.db.metadata.visitor.SchemaExecutionVisitor.visitCreateMultiTimeSeries(SchemaExecutionVisitor.java:105)
at
org.apache.iotdb.db.metadata.visitor.SchemaExecutionVisitor.visitCreateMultiTimeSeries(SchemaExecutionVisitor.java:62)
at
org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.write.CreateMultiTimeSeriesNode.accept(CreateMultiTimeSeriesNode.java:141)
at
org.apache.iotdb.db.consensus.statemachine.SchemaRegionStateMachine.write(SchemaRegionStateMachine.java:68)
at
org.apache.iotdb.consensus.ratis.ApplicationStateMachineProxy.applyTransaction(ApplicationStateMachineProxy.java:121)
at
org.apache.ratis.server.impl.RaftServerImpl.applyLogToStateMachine(RaftServerImpl.java:1588)
at
org.apache.ratis.server.impl.StateMachineUpdater.applyLog(StateMachineUpdater.java:239)
at
org.apache.ratis.server.impl.StateMachineUpdater.run(StateMachineUpdater.java:182)
at java.lang.Thread.run(Thread.java:748)
复现流程
1. benchmark重复执行附件中的脚本
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
