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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-991) DatastoreIO Write should flush early for large batches
Date Sun, 01 Jan 2017 21:41:58 GMT

    [ https://issues.apache.org/jira/browse/BEAM-991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15791705#comment-15791705
] 

ASF GitHub Bot commented on BEAM-991:
-------------------------------------

GitHub user vikkyrk opened a pull request:

    https://github.com/apache/beam/pull/1724

    [BEAM-991] Flush Datastore writes at max byte batch limit

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
    
     - [ ] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [ ] Make sure tests pass via `mvn clean verify`. (Even better, enable
           Travis-CI on your fork and ensure the whole test matrix passes).
     - [ ] Replace `<Jira issue #>` in the title with the actual Jira issue
           number, if there is one.
     - [ ] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.txt).
    
    ---


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

    $ git pull https://github.com/vikkyrk/incubator-beam ds_limit

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

    https://github.com/apache/beam/pull/1724.patch

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

    This closes #1724
    
----
commit 6cb55b51df9d66a2cba1c1821a57457e5c01855d
Author: Vikas Kedigehalli <vikasrk@google.com>
Date:   2016-12-27T19:58:42Z

    Flush Datastore writes at max byte batch limit.

----


> DatastoreIO Write should flush early for large batches
> ------------------------------------------------------
>
>                 Key: BEAM-991
>                 URL: https://issues.apache.org/jira/browse/BEAM-991
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-gcp
>            Reporter: Vikas Kedigehalli
>            Assignee: Vikas Kedigehalli
>
> If entities are large (avg size > 20KB) then the a single batched write (500 entities)
would exceed the Datastore size limit of a single request (10MB) from https://cloud.google.com/datastore/docs/concepts/limits.
> First reported in: http://stackoverflow.com/questions/40156400/why-does-dataflow-erratically-fail-in-datastore-access



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