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https://issues.apache.org/jira/browse/HADOOP-19341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17899060#comment-17899060
 ] 

ASF GitHub Bot commented on HADOOP-19341:
-----------------------------------------

EungsopYoo opened a new pull request, #7168:
URL: https://github.com/apache/hadoop/pull/7168

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   ### Description of PR
   The direct memory allocated by ElasticByteBufferPool of HDFS client is never 
released.
   We found that we already have the solution, 
WeakReferencedElasticByteBufferPool.
   Just replace ElasticByteBufferPool with WeakReferencedElasticByteBufferPool.
   
   ### How was this patch tested?
   
   
   ### For code changes:
   
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   - [ ] Object storage: have the integration tests been executed and the 
endpoint declared according to the connector-specific documentation?
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> HDFS Client's direct memory leaks with erasure codind enabled
> -------------------------------------------------------------
>
>                 Key: HADOOP-19341
>                 URL: https://issues.apache.org/jira/browse/HADOOP-19341
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: erasure-coding
>            Reporter: Eungsop Yoo
>            Priority: Major
>         Attachments: image-2024-11-18-13-53-23-690.png
>
>
> We are testing erasure coding with HBase. But we faced that the size of 
> direct memory of HBase RegionServer keep growing. 
>  !image-2024-11-18-13-53-23-690.png! 
> It is caused by that the direct memory allocated by ElasticByteBufferPool of 
> HDFS client is never released. 
> https://issues.apache.org/jira/browse/HADOOP-18105
> We found that we already have the solution, 
> WeakReferencedElasticByteBufferPool. 
> Just replace ElasticByteBufferPool with WeakReferencedElasticByteBufferPool.



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