内存溢出:java.lang.OutOfMemoryError: Java heap space

2022-09-21 07:14:31,538 [pool-32-IoTDB-Meta-Heartbeat-1] INFO o.a.i.c.s.h.HeartbeatThread:99 - Meta: The leader Node(internalIp:192.200.3.8, metaPort:9003, nodeIdentifier:-206822371, dataPort:40010, clientPort:6667, clientIp:192.200.3.8) timed out
2022-09-21 07:13:30,137 [pool-49-IoTDB-ClusterDataRPC-Client-140] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-49-IoTDB-ClusterDataRPC-Client-140-309
java.lang.OutOfMemoryError: Java heap space
at java.base/java.lang.Long.valueOf(Long.java:1180)
at org.apache.iotdb.db.engine.storagegroup.LastFlushTimeManager.getFlushedTime(LastFlushTimeManager.java:237)
at org.apache.iotdb.db.engine.storagegroup.VirtualStorageGroupProcessor.insert(VirtualStorageGroupProcessor.java:964)
at org.apache.iotdb.db.engine.StorageEngine.insert(StorageEngine.java:591)
at org.apache.iotdb.db.qp.executor.PlanExecutor.insert(PlanExecutor.java:1648)
at org.apache.iotdb.db.qp.executor.PlanExecutor.processNonQuery(PlanExecutor.java:276)
at org.apache.iotdb.cluster.log.applier.BaseApplier.processPlanWithTolerance(BaseApplier.java:203)
at org.apache.iotdb.cluster.log.applier.BaseApplier.applyPhysicalPlan(BaseApplier.java:76)
at org.apache.iotdb.cluster.log.applier.DataLogApplier.applyInsert(DataLogApplier.java:183)
at org.apache.iotdb.cluster.log.applier.DataLogApplier.applyPhysicalPlan(DataLogApplier.java:120)
at org.apache.iotdb.cluster.server.member.DataGroupMember.executeNonQueryPlan(DataGroupMember.java:720)
at org.apache.iotdb.cluster.server.member.RaftMember.executeNonQueryPlan(RaftMember.java:722)
at org.apache.iotdb.cluster.server.service.BaseSyncService.executeNonQueryPlan(BaseSyncService.java:176)
at org.apache.iotdb.cluster.server.service.DataGroupServiceImpls.executeNonQueryPlan(DataGroupServiceImpls.java:687)
at org.apache.iotdb.cluster.rpc.thrift.RaftService$Processor$executeNonQueryPlan.getResult(RaftService.java:918)
at org.apache.iotdb.cluster.rpc.thrift.RaftService$Processor$executeNonQueryPlan.getResult(RaftService.java:898)
at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:38)
at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:38)
at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:248)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
2022-09-21 07:14:38,348 [pool-6-IoTDB-timedQuerySqlCount-1] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-6-IoTDB-timedQuerySqlCount-1-18
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:15:21,542 [pool-32-IoTDB-Meta-Heartbeat-1] INFO o.a.i.c.s.m.RaftMember:615 - Meta has become a ELECTOR
2022-09-21 07:14:32,490 [pool-37-IoTDB-ClusterMetaHeartbeatRPC-Client-4] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-37-IoTDB-ClusterMetaHeartbeatRPC-Client-4-348
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:14:30,583 [pool-49-IoTDB-ClusterDataRPC-Client-231] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-49-IoTDB-ClusterDataRPC-Client-231-408
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:13:17,777 [pool-49-IoTDB-ClusterDataRPC-Client-161] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-49-IoTDB-ClusterDataRPC-Client-161-331
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:14:33,444 [pool-19-IoTDB-WAL-Trim-root.DLGL-0-1] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-19-IoTDB-WAL-Trim-root.DLGL-0-1-37
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:13:22,548 [pool-23-IoTDB-WAL-Trim-root.YMCS-0-1] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-23-IoTDB-WAL-Trim-root.YMCS-0-1-41
java.lang.OutOfMemoryError: Java heap space
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.addConditionWaiter(AbstractQueuedSynchronizer.java:1896)
at java.base/java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2114)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1182)
at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:899)
at java.base/java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1054)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1114)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
at java.base/java.lang.Thread.run(Thread.java:834)
2022-09-21 07:16:15,223 [pool-37-IoTDB-ClusterMetaHeartbeatRPC-Client-8] INFO o.a.i.c.s.m.RaftMember:615 - Meta has become a FOLLOWER
2022-09-21 07:16:14,274 [pool-32-IoTDB-Meta-Heartbeat-1] INFO o.a.i.c.s.m.RaftMember:635 - Meta has been set to null in term 115611
2022-09-21 07:15:17,729 [pool-19-IoTDB-WAL-Trim-root.DLGL-0-2] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-19-IoTDB-WAL-Trim-root.DLGL-0-2-597
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:15:16,772 [pool-49-IoTDB-ClusterDataRPC-Client-121] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-49-IoTDB-ClusterDataRPC-Client-121-290
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:15:18,682 [ClusterDataRPC] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread ClusterDataRPC-166
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:15:16,773 [pool-47-IoTDB-PullSnapshotHint-1] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-47-IoTDB-PullSnapshotHint-1-73
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:14:39,336 [pool-27-IoTDB-WAL-Trim-root.GML-0-1] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-27-IoTDB-WAL-Trim-root.GML-0-1-48
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:16:29,505 [pool-32-IoTDB-Meta-Heartbeat-1] INFO o.a.i.c.s.h.HeartbeatThread:137 - Meta: Start elections
2022-09-21 07:15:17,729 [persist-log-delete-/data/iotdb/system/raftLog/0/] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread persist-log-delete-/data/iotdb/system/raftLog/0/-15
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:14:40,322 [pool-49-IoTDB-ClusterDataRPC-Client-166] ERROR o.a.i.d.c.IoTDBDefaultThreadExceptionHandler:31 - Exception in thread pool-49-IoTDB-ClusterDataRPC-Client-166-337
java.lang.OutOfMemoryError: Java heap space
2022-09-21 07:16:46,046 [pool-32-IoTDB-Meta-Heartbeat-1] INFO o.a.i.c.s.h.HeartbeatThread:141 - Meta: End elections
2022-09-21 07:16:42,121 [pool-37-IoTDB-ClusterMetaHeartbeatRPC-Client-8] INFO o.a.i.c.s.m.RaftMember:637 - Meta has become a follower of Node(internalIp:192.200.3.8, metaPort:9003, nodeIdentifier:-206822371, dataPort:40010, clientPort:6667, clientIp:192.200.3.8) in term 115611

**Desktop (please complete the following information):**
- OS: centOS7.9
- JDK:1.8
- Version 0.12=3

LastFlushTimeManager.getFlushedTime（237 行目）から開始し、VirtualStorageGroupProcessor、StorageEngine、および stack trace に記載されている cluster applier クラスを通る insert パスを追跡します。cluster RPC、WAL、heartbeat、timed-query スレッド間でヒープ障害を比較し、再現可能な原因を特定します。ヒープ増加の原因を特定し、回帰テストまたは文書化された再現手順によって修正を検証できれば完了です。

索引モデルが issue の本文から書いたものです。