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From "James Thomas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-6634) inotify in HDFS
Date Mon, 14 Jul 2014 21:12:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-6634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14061255#comment-14061255
] 

James Thomas commented on HDFS-6634:
------------------------------------

What I wrote above about ProtoBuf'ing isn't correct -- we'll need to ProtoBuf the edits on
the NN to support different client and NN versions. This overhead should not be high, though.

> inotify in HDFS
> ---------------
>
>                 Key: HDFS-6634
>                 URL: https://issues.apache.org/jira/browse/HDFS-6634
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: hdfs-client, namenode, qjm
>            Reporter: James Thomas
>            Assignee: James Thomas
>         Attachments: inotify-intro.2.pdf, inotify-intro.pdf
>
>
> Design a mechanism for applications like search engines to access the HDFS edit stream.



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