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https://issues.apache.org/jira/browse/HDFS-17499?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17840536#comment-17840536
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ASF GitHub Bot commented on HDFS-17499:
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dannytbecker opened a new pull request, #6772:
URL: https://github.com/apache/hadoop/pull/6772
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### Description of PR
Introduced by
[HDFS-17477](https://issues.apache.org/jira/browse/HDFS-17477). The
PendingDataNodeMessages#removeQueuedBlock() will create an empty list stored in
queueByBlockId for every incremental block report processed by the BlockManager.
### How was this patch tested?
Tested with
TestLargeBlockReport#testBlockReportSucceedsWithLargerLengthLimit()
### For code changes:
- [X] Does the title or this PR starts with the corresponding JIRA issue id
(e.g. 'HADOOP-17799. Your PR title ...')?
- [ ] Object storage: have the integration tests been executed and the
endpoint declared according to the connector-specific documentation?
- [ ] If adding new dependencies to the code, are these dependencies
licensed in a way that is compatible for inclusion under [ASF
2.0](http://www.apache.org/legal/resolved.html#category-a)?
- [ ] If applicable, have you updated the `LICENSE`, `LICENSE-binary`,
`NOTICE-binary` files?
> removeQueuedBlock in PendingDataNodeMessages has memory leak
> ------------------------------------------------------------
>
> Key: HDFS-17499
> URL: https://issues.apache.org/jira/browse/HDFS-17499
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Danny Becker
> Priority: Major
>
> Introduced by HDFS-17477. The PendingDataNodeMessages#removeQueuedBlock()
> will create an empty list stored in queueByBlockId for every incremental
> block report processed by the BlockManager.
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