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From "Tim Robertson (JIRA)" <j...@apache.org>
Subject ***UNCHECKED*** [jira] [Commented] (BEAM-5036) Optimize FileBasedSink's WriteOperation.moveToOutput()
Date Wed, 19 Sep 2018 13:20:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-5036?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16620565#comment-16620565
] 

Tim Robertson commented on BEAM-5036:
-------------------------------------

BEAM-5429 is created for the GCS implementation ( CC [~sinisa_lyh] )

> Optimize FileBasedSink's WriteOperation.moveToOutput()
> ------------------------------------------------------
>
>                 Key: BEAM-5036
>                 URL: https://issues.apache.org/jira/browse/BEAM-5036
>             Project: Beam
>          Issue Type: Improvement
>          Components: io-java-files
>    Affects Versions: 2.5.0
>            Reporter: Jozef Vilcek
>            Assignee: Tim Robertson
>            Priority: Major
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> moveToOutput() methods in FileBasedSink.WriteOperation implements move by copy+delete.
It would be better to use a rename() which can be much more effective for some filesystems.
> Filesystem must support cross-directory rename. BEAM-4861 is related to this for the
case of HDFS filesystem.
> Feature was discussed here:
> http://mail-archives.apache.org/mod_mbox/beam-dev/201807.mbox/%3CCAF9t7_4Mp54pQ+vRrJrBh9Vx0=uaKnuPZD_qdh_QDm9VXLLsZw@mail.gmail.com%3E



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