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From "Yi Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7694) FSDataInputStream should support "unbuffer"
Date Thu, 12 Feb 2015 04:16:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7694?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14317561#comment-14317561
] 

Yi Liu commented on HDFS-7694:
------------------------------

+1 pending Jenkins. Thanks Colin.

> FSDataInputStream should support "unbuffer"
> -------------------------------------------
>
>                 Key: HDFS-7694
>                 URL: https://issues.apache.org/jira/browse/HDFS-7694
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>    Affects Versions: 2.7.0
>            Reporter: Colin Patrick McCabe
>            Assignee: Colin Patrick McCabe
>         Attachments: HDFS-7694.001.patch, HDFS-7694.002.patch, HDFS-7694.003.patch, HDFS-7694.004.patch,
HDFS-7694.005.patch
>
>
> For applications that have many open HDFS (or other Hadoop filesystem) files, it would
be useful to have an API to clear readahead buffers and sockets.  This could be added to the
existing APIs as an optional interface, in much the same way as we added setReadahead / setDropBehind
/ etc.



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