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Posted to common-issues@hadoop.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2022/11/19 08:44:00 UTC

[jira] [Updated] (HADOOP-18533) RPC Client performance improvement

     [ https://issues.apache.org/jira/browse/HADOOP-18533?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated HADOOP-18533:
------------------------------------
    Labels: pull-request-available  (was: )

> RPC Client performance improvement
> ----------------------------------
>
>                 Key: HADOOP-18533
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18533
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: rpc-server
>            Reporter: xinqiu.hu
>            Priority: Minor
>              Labels: pull-request-available
>
>   The current implementation copies the rpcRequest and header to a ByteArrayOutputStream in order to calculate the total length of the sent request, and then writes it to the socket buffer.
>   But if the rpc engine is ProtobufRpcEngine2, we can pre-calculate the request size, and then send the request directly to the socket buffer, reducing a memory copy.



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