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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-206) FileBasedSink does serial renames
Date Mon, 15 Aug 2016 06:21:22 GMT


ASF GitHub Bot commented on BEAM-206:

GitHub user dhalperi opened a pull request:

    [BEAM-206] FileBasedSink: improve parallelism in GCS copy/remove


You can merge this pull request into a Git repository by running:

    $ git pull file-based-sink-rename

Alternatively you can review and apply these changes as the patch at:

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #826
commit b0671496fd7d7b182a617da0daefee1509e9c9da
Author: Dan Halperin <>
Date:   2016-08-15T06:08:21Z

    FileBasedSink: improve parallelism in GCS copy/remove


> FileBasedSink does serial renames
> ---------------------------------
>                 Key: BEAM-206
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-gcp
>            Reporter: Daniel Halperin
>            Assignee: Daniel Halperin
> This code can be the bottleneck if there are many small files. Should be parallelized
when possible.

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