[jira] [Resolved] (HDFS-16134) Optimize RPC throughput

["JiangHua Zhu (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-16134?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

JiangHua Zhu resolved HDFS-16134.
---------------------------------
    Resolution: Duplicate

> Optimize RPC throughput
> -----------------------
>
>                 Key: HDFS-16134
>                 URL: https://issues.apache.org/jira/browse/HDFS-16134
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: JiangHua Zhu
>            Assignee: JiangHua Zhu
>            Priority: Major
>
> Now RPC has the following phenomena:
> 1. Each RPC has 1 Responder, which is used to return the result, but many client requests are directly returned after the handler is processed;
> 2. Call#Connection#responseQueue uses synchronous control every time it is used;
> These phenomena will hinder the performance of RPC, we can try to make some changes.
> 1. Set multiple responders for each RPC, and the user returns the result;
> 2. After the Handler processing is completed, add the results that need to be returned to a queue, and the Responder will process the queue data;
> 3. Add an identifier similar to sequenceId to ensure the order of return;



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