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From "Yiqun Lin (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-12773) RBF: Improve State Store FS implementation
Date Mon, 12 Mar 2018 09:55:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-12773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16395005#comment-16395005

Yiqun Lin commented on HDFS-12773:

Hi [~elgoiri], I just take a quick look of the patch, some places not fully understand.

* Just seeing lots of implementation being refactored, can I understand this as new implementation
will support handle with multiple writers?
* When and how the temporary files will create, I just see these file be dealt with in {{StateStoreFileBaseImpl}}.


> RBF: Improve State Store FS implementation
> ------------------------------------------
>                 Key: HDFS-12773
>                 URL: https://issues.apache.org/jira/browse/HDFS-12773
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>            Reporter: Íñigo Goiri
>            Assignee: Íñigo Goiri
>            Priority: Major
>         Attachments: HDFS-12773.000.patch, HDFS-12773.001.patch, HDFS-12773.002.patch,
> HDFS-10630 introduced a filesystem implementation of the State Store for unit tests.
However, this implementation doesn't handle multiple writers concurrently.

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