[jira] [Updated] (HDDS-13400) S3g has accumulated memory pressure due to unlimited ElasticByteBufferPool in RpcClient

["Ivan Andika (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDDS-13400?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ivan Andika updated HDDS-13400:
-------------------------------
    Component/s: Ozone Client

> S3g has accumulated memory pressure due to unlimited ElasticByteBufferPool in RpcClient
> ---------------------------------------------------------------------------------------
>
>                 Key: HDDS-13400
>                 URL: https://issues.apache.org/jira/browse/HDDS-13400
>             Project: Apache Ozone
>          Issue Type: Bug
>          Components: Ozone Client, s3gateway
>            Reporter: Sammi Chen
>            Priority: Major
>
> The issue is reported by Hao Guo. 
> Currently RpcClient has a ElasticByteBufferPool to reuse buffers during EC data read and write. ElasticByteBufferPool can save the time of buffer allocation. While this Pool doesn't have a upper limit, so in s3g case, a long lived RpcClient will accumulate all buffers allocated through this pool, which lead to high memory pressure of s3g.  



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