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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-2154) Writing to large numbers of BigQuery tables causes out-of-memory
Date Tue, 09 May 2017 01:25:04 GMT


ASF GitHub Bot commented on BEAM-2154:

GitHub user jkff opened a pull request:

    Cherrypick #2883 to release-2.0.0

    Cherrypick #2883 [BEAM-2154] Make BigQuery's dynamic-destination support scale to large
numbers of destinations
    R: @davorbonaci 

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

    $ git pull cp-2883

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 #2981
commit 34dc0938b2d53ff389b24ceed51da89bffa7c1ae
Author: Eugene Kirpichov <>
Date:   2017-05-09T01:02:14Z

    This closes #2883


> Writing to large numbers of BigQuery tables causes out-of-memory 
> -----------------------------------------------------------------
>                 Key: BEAM-2154
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-gcp
>            Reporter: Reuven Lax
>            Assignee: Reuven Lax
>             Fix For: 2.0.0
> Since all TableRowWriters are created in a single DoFn, the write buffers all exist simultaneously
and use up large amounts of memory.

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