Tsz-wo Sze created HDDS-9454:
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Summary: 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
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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