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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (BEAM-2365) Use highest protocol for pickle coder.
Date Thu, 25 May 2017 20:52:04 GMT


ASF GitHub Bot commented on BEAM-2365:

GitHub user robertwb opened a pull request:

    [BEAM-2365] Use the highest pickle protocol available.

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

    $ git pull pickle

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 #3226
commit a2a5353f348c3c42ccf7b560a8c8dee42e21f035
Author: Robert Bradshaw <>
Date:   2017-05-25T20:49:48Z

    [BEAM-2365] Use the highest pickle protocol available.


> Use highest protocol for pickle coder.
> --------------------------------------
>                 Key: BEAM-2365
>                 URL:
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-py
>            Reporter: Robert Bradshaw
>            Assignee: Robert Bradshaw
> E.g. for large NumPy arrays, this is a 3x reduction in size and a 61x reduction in cpu.

> Note that dill already does this (but the FastPrimitivesCoder intentionally uses cPickle

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