[HDDS-8803] Release CodecBuffers when batch operation is closed

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4.0
• Fix Version/s: 1.4.0
• Component/s: db
• Labels: pull-request-available
• Target Version/s: 1.4.0
• Assignee: Attila Doroszlai
• Reporter: Attila Doroszlai
• Created: 10/Jun/23 13:22
• Updated: 27/Jun/23 20:03
• Resolved: 12/Jun/23 08:30

Description

https://github.com/apache/ozone/actions/runs/5136151298/jobs/9242526664?pr=4794#step:5:3753

java.lang.AssertionError: Found 2 leaked objects, check logs
	at org.apache.hadoop.hdds.utils.db.CodecBuffer.assertNoLeaks(CodecBuffer.java:70)
	at org.apache.hadoop.ozone.MiniOzoneClusterImpl.shutdown(MiniOzoneClusterImpl.java:451)
	at org.apache.hadoop.hdds.upgrade.TestScmHAFinalization.shutdown(TestScmHAFinalization.java:117)

org.apache.hadoop.hdds.upgrade.TestScmHAFinalization-output.txt

2023-05-31 18:35:07,518 [Finalizer] WARN  db.CodecBuffer (CodecBuffer.java:finalize(94)) - LEAK 1: org.apache.hadoop.hdds.utils.db.CodecBuffer@617e237d, refCnt=1, capacity=1
2023-05-31 18:35:07,518 [Finalizer] WARN  db.CodecBuffer (CodecBuffer.java:finalize(94)) - LEAK 2: org.apache.hadoop.hdds.utils.db.CodecBuffer@435b14c4, refCnt=1, capacity=14

Issue Links

• is a clone of: HDDS-8740 SCM HA transaction buffer may be closed without flush
• relates to: HDDS-8774 Log allocation stack trace for leaked CodecBuffer
• links to: GitHub Pull Request #4873