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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-1626) Remove caching of read MapWithStateDStream.
Date Sun, 05 Mar 2017 21:46:32 GMT


ASF GitHub Bot commented on BEAM-1626:

GitHub user amitsela opened a pull request:

    [BEAM-1626] Remove cache of MapWithStateDStream on read.

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

    $ git pull BEAM-1626

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 #2163
commit 08cae491497f1a81c89ad662bb6442bc43d8d6d7
Author: Sela <>
Date:   2017-03-05T21:37:08Z

    Remove cache of MapWithStateDStream on read.


> Remove caching of read MapWithStateDStream.
> -------------------------------------------
>                 Key: BEAM-1626
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-spark
>            Reporter: Amit Sela
>            Assignee: Amit Sela
> There's no real need for it since checkpointing caches as well, and from my experiments
I think it also has something to do with some of the flakes in streaming tests.
> Anyway, I don't see a good reason to call {{cache()}} there, so let's remove it.

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