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Posted to common-issues@hadoop.apache.org by "Kihwal Lee (JIRA)" <ji...@apache.org> on 2016/09/01 21:17:20 UTC
[jira] [Commented] (HADOOP-13426) More efficiently build IPC
responses
[ https://issues.apache.org/jira/browse/HADOOP-13426?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15456644#comment-15456644 ]
Kihwal Lee commented on HADOOP-13426:
-------------------------------------
Pushed to 2.8.
> More efficiently build IPC responses
> ------------------------------------
>
> Key: HADOOP-13426
> URL: https://issues.apache.org/jira/browse/HADOOP-13426
> Project: Hadoop Common
> Issue Type: Sub-task
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Fix For: 2.8.0, 3.0.0-alpha1
>
> Attachments: HADOOP-13426.1.patch, HADOOP-13426.patch
>
>
> The call response buffer is allowed to dynamically grow until a max size is reached. Often times the full size of the response can be known in advance which avoids copies. This is very advantageous for large responses.
> Automatic framing of the response buffer will also prevent unnecessary allocations and copies when the size is/isn't known.
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