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https://issues.apache.org/jira/browse/HBASE-22185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16813010#comment-16813010
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Anoop Sam John commented on HBASE-22185:
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To get to exception might not be that likely (I mean when Off heap BC).. Still
it will be better to return in finally.
> RAMQueueEntry#writeToCache should freeBlock if any exception encountered
> instead of the IOException catch block
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-22185
> URL: https://issues.apache.org/jira/browse/HBASE-22185
> Project: HBase
> Issue Type: Bug
> Reporter: Zheng Hu
> Assignee: Zheng Hu
> Priority: Major
>
> When preparing patch for HBASE-22159, I found that if thrown an
> AssertionError in RAMQueueEntry#writeToCache, the bucketAllocator won't free
> its memory.
> This is an memory leak bug, and should be fixed in almost all 2.x branches.
> will also check branch-1.x
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