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Posted to common-dev@hadoop.apache.org by "He Tianyi (JIRA)" <ji...@apache.org> on 2016/04/25 07:17:13 UTC

[jira] [Resolved] (HADOOP-13057) Async IPC server support

     [ https://issues.apache.org/jira/browse/HADOOP-13057?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

He Tianyi resolved HADOOP-13057.
--------------------------------
    Resolution: Duplicate

> Async IPC server support
> ------------------------
>
>                 Key: HADOOP-13057
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13057
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>    Affects Versions: 2.6.0
>            Reporter: He Tianyi
>
> On some application, server may run out of handlers when performing many blocking I/O operations during processing of each call (e.g. calling another service, etc.). A viable solution is increasing number of handlers. 
> But this faces the problem that large amount of threads will consume much memory (stack, etc.), and performance issues either.
> After HADOOP-12909, work on asynchronization has been done on caller-side. This is a similar proposal on server-side.
> Suggesting the ability to handle requests asynchronously.
> For example, in such server, calls may return a Future object instead of immediate value. Then sends response to client in {{onSuccess}} or {{onFailed}} callbacks.



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