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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2017/06/30 10:47:00 UTC

[jira] [Updated] (HBASE-15491) Reuse byte buffers in AsyncRpcClient

     [ https://issues.apache.org/jira/browse/HBASE-15491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-15491:
--------------------------
    Fix Version/s:     (was: 2.0.0)

> Reuse byte buffers in AsyncRpcClient
> ------------------------------------
>
>                 Key: HBASE-15491
>                 URL: https://issues.apache.org/jira/browse/HBASE-15491
>             Project: HBase
>          Issue Type: Improvement
>          Components: Client
>    Affects Versions: 2.0.0
>            Reporter: Vladimir Rodionov
>            Assignee: Vladimir Rodionov
>         Attachments: HBASE-15491-v1.patch
>
>
> IPCUtil.buildCellBlock is used by both server and client. Server provides BoundedByteBufferPool for buffers reuse, client code does not do that. This results in additional memory pressure on a client side, because buffers are allocated on every call to IPCUtil.buildCellBlock.
> My own local tests (with patch) show approximately 8-10% reduction in object allocation rate on a client side (with HBASE-15479 as well). 



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