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https://issues.apache.org/jira/browse/HDDS-8251?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17704279#comment-17704279
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Duong commented on HDDS-8251:
-----------------------------
Found another RocksObjects leaks:
{code:java}
2023-03-23 10:10:20,868 [Finalizer] WARN managed.ManagedRocksObjectUtils
(ManagedRocksObjectUtils.java:assertClosed(54)) - RocksIterator is not closed
properly
StackTrace for unclosed instance:
org.apache.hadoop.hdds.utils.db.managed.ManagedObject.<init>(ManagedObject.java:35)
org.apache.hadoop.hdds.utils.db.managed.ManagedRocksIterator.<init>(ManagedRocksIterator.java:28)
org.apache.hadoop.ozone.om.snapshot.RocksDbPersistentList.iterator(RocksDbPersistentList.java:85)
org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.addToReport(SnapshotDiffManager.java:658)
org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.generateDiffReport(SnapshotDiffManager.java:612)
org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.generateSnapshotDiffReport(SnapshotDiffManager.java:343)
org.apache.hadoop.ozone.om.snapshot.SnapshotDiffManager.getSnapshotDiffReport(SnapshotDiffManager.java:196)
org.apache.hadoop.ozone.om.OmSnapshotManager.getSnapshotDiffReport(OmSnapshotManager.java:455)
org.apache.hadoop.ozone.om.OzoneManager.snapshotDiff(OzoneManager.java:4493)
org.apache.hadoop.ozone.protocolPB.OzoneManagerRequestHandler.snapshotDiff(OzoneManagerRequestHandler.java:1223)
org.apache.hadoop.ozone.protocolPB.OzoneManagerRequestHandler.handleReadRequest(OzoneManagerRequestHandler.java:300)
org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.submitReadRequestToOM(OzoneManagerProtocolServerSideTranslatorPB.java:223)
org.apache.hadoop.ozone.protocolPB.OzoneManagerProtocolServerSideTranslatorPB.processRequest(OzoneManagerProtocolServerSideTranslatorPB.java:177)
org.apache.hadoop.hdds.server.OzoneProtocolMessageDispatcher.processRequest(OzoneProtocolMessageDispatcher.java:87)
{code}
> RocksIterator is not closed properly in
> SnapshotChainManager.loadFromSnapshotInfoTable
> --------------------------------------------------------------------------------------
>
> Key: HDDS-8251
> URL: https://issues.apache.org/jira/browse/HDDS-8251
> Project: Apache Ozone
> Issue Type: Bug
> Components: OM
> Reporter: Siyao Meng
> Assignee: Duong
> Priority: Major
>
> Reproducible on latest master branch
> (15117d802074987e51ee7fca442fd95004f0cd97) with {{./compose/ozone}} (no HA):
> {code}
> 2023-03-22 23:17:22,954 [om1-impl-thread1] INFO server.RaftServerConfigKeys:
> raft.server.log.statemachine.data.caching.enabled = false (default)
> 2023-03-22 23:17:22,992 [Finalizer] WARN managed.ManagedRocksObjectUtils:
> RocksIterator is not closed properly
> 2023-03-22 23:17:22,994 [om1-impl-thread1] INFO
> segmented.SegmentedRaftLogWorker:
> om1@group-C5BA1605619E-SegmentedRaftLogWorker: flushIndex: setUnconditionally
> 0 -> -1
> 2023-03-22 23:17:22,994 [om1-impl-thread1] INFO
> segmented.SegmentedRaftLogWorker:
> om1@group-C5BA1605619E-SegmentedRaftLogWorker: safeCacheEvictIndex:
> setUnconditionally 0 -> -1
> {code}
> cc [~duongnguyen]
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