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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-2708) Decompressing bzip2 files with multiple "streams" only reads the first stream
Date Tue, 01 Aug 2017 21:29:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-2708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16109810#comment-16109810
] 

ASF GitHub Bot commented on BEAM-2708:
--------------------------------------

GitHub user bjchambers opened a pull request:

    https://github.com/apache/beam/pull/3670

    [BEAM-2708] Configure BZIP2 to read all "streams"

    Without this, CompressionMode.BZIP2 only supports "standard" bz2 files
    containing a single stream. With this change, BZIP2 also supports bz2 files
    containing multiple streams, such as those produced by pbzip2.
    
    Follow this checklist to help us incorporate your contribution quickly and easily:
    
     - [ ] Make sure there is a [JIRA issue](https://issues.apache.org/jira/projects/BEAM/issues/)
filed for the change (usually before you start working on it).  Trivial changes like typos
do not require a JIRA issue.  Your pull request should address just this issue, without pulling
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     - [ ] Each commit in the pull request should have a meaningful subject line and body.
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    ---


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

    $ git pull https://github.com/bjchambers/beam pbzip2-cherrypick

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

    https://github.com/apache/beam/pull/3670.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 #3670
    
----
commit 371a89ec7bdf4b92ebd7e346b376160253416a32
Author: bchambers <bchambers@google.com>
Date:   2017-08-01T21:11:24Z

    [BEAM-2708] Configure BZIP2 to read all "streams"
    
    Without this, CompressionMode.BZIP2 only supports "standard" bz2 files
    containing a single stream. With this change, BZIP2 also supports bz2 files
    containing multiple streams, such as those produced by pbzip2.

----


> Decompressing bzip2 files with multiple "streams" only reads the first stream
> -----------------------------------------------------------------------------
>
>                 Key: BEAM-2708
>                 URL: https://issues.apache.org/jira/browse/BEAM-2708
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-extensions, sdk-py
>            Reporter: Pablo Estrada
>            Assignee: Ben Chambers
>
> I'm not sure which components to file this against. A user has observed that pbzip2 files
are not being properly decompressed:
> https://stackoverflow.com/questions/45439117/google-dataflow-only-partly-uncompressing-files-compressed-with-pbzip2



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