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https://issues.apache.org/jira/browse/HDDS-9454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Attila Doroszlai resolved HDDS-9454.
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Fix Version/s: 1.4.0
Resolution: Fixed
> TypedTable prefix iterator may leak CodecBuffer
> -----------------------------------------------
>
> Key: HDDS-9454
> URL: https://issues.apache.org/jira/browse/HDDS-9454
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: db
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.4.0
>
> Attachments: it-filesystem.zip
>
>
> Copied [~adoroszlai]'s
> [comment|https://github.com/apache/ozone/pull/5420#issuecomment-1762884190]
> below:
> Leak reported from `TestRootedOzoneFileSystem`:
> {code}
> 2023-10-13 19:29:21,163 [Finalizer] WARN db.CodecBuffer
> (CodecBuffer.java:detectLeaks(278)) - LEAK 1: [0<=32<=96: 2F 76 6F 6C 75 6D
> 65 38 33 39 ...], refCnt=1, capacity=96 allocation:
> org.apache.hadoop.hdds.utils.db.CodecBuffer.<init>(CodecBuffer.java:53)
> org.apache.hadoop.hdds.utils.db.CodecBuffer$LeakDetector$1.<init>(CodecBuffer.java:77)
> org.apache.hadoop.hdds.utils.db.CodecBuffer$LeakDetector.newCodecBuffer(CodecBuffer.java:77)
> org.apache.hadoop.hdds.utils.db.CodecBuffer$Factory.newCodecBuffer(CodecBuffer.java:70)
> org.apache.hadoop.hdds.utils.db.CodecBuffer$Factory.newCodecBuffer(CodecBuffer.java:66)
> org.apache.hadoop.hdds.utils.db.CodecBuffer.allocate(CodecBuffer.java:195)
> org.apache.hadoop.hdds.utils.db.CodecBuffer$Allocator$1.apply(CodecBuffer.java:147)
> org.apache.hadoop.hdds.utils.db.CodecBuffer$Allocator$1.apply(CodecBuffer.java:144)
> org.apache.hadoop.hdds.utils.db.StringCodecBase.toCodecBuffer(StringCodecBase.java:174)
> org.apache.hadoop.hdds.utils.db.StringCodec.toCodecBuffer(StringCodec.java:28)
> org.apache.hadoop.hdds.utils.db.StringCodecBase.toCodecBuffer(StringCodecBase.java:42)
> org.apache.hadoop.hdds.utils.db.Codec.toDirectCodecBuffer(Codec.java:73)
> org.apache.hadoop.hdds.utils.db.TypedTable.encodeKeyCodecBuffer(TypedTable.java:132)
> org.apache.hadoop.hdds.utils.db.TypedTable.iterator(TypedTable.java:416)
> org.apache.hadoop.hdds.utils.db.TypedTable.iterator(TypedTable.java:55)
> org.apache.hadoop.ozone.om.KeyManagerImpl.createFakeDirIfShould(KeyManagerImpl.java:1273)
> org.apache.hadoop.ozone.om.KeyManagerImpl.getOzoneFileStatus(KeyManagerImpl.java:1183)
> org.apache.hadoop.ozone.om.KeyManagerImpl.getFileStatus(KeyManagerImpl.java:1145)
> org.apache.hadoop.ozone.om.KeyManagerImpl.getFileStatus(KeyManagerImpl.java:1120)
> org.apache.hadoop.ozone.om.TrashOzoneFileSystem.getFileStatus(TrashOzoneFileSystem.java:280)
> org.apache.hadoop.ozone.om.TrashOzoneFileSystem.exists(TrashOzoneFileSystem.java:336)
> org.apache.hadoop.ozone.om.TrashOzoneFileSystem.getTrashRoots(TrashOzoneFileSystem.java:316)
> org.apache.hadoop.ozone.om.TrashPolicyOzone$Emptier.run(TrashPolicyOzone.java:317)
> {code}
> https://github.com/apache/ozone/actions/runs/6511750255/job/17688866092?pr=5420#step:5:3787
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