beam-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-625) Make Dataflow Python Materialized PCollection representation more efficient
Date Mon, 26 Dec 2016 20:30:58 GMT

    [ https://issues.apache.org/jira/browse/BEAM-625?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15778940#comment-15778940
] 

ASF GitHub Bot commented on BEAM-625:
-------------------------------------

GitHub user katsiapis opened a pull request:

    https://github.com/apache/incubator-beam/pull/1694

    [BEAM-625] A few memory optimizations in Avro.

    - Using a buffer when decompressing with Snappy in Avro in order to avoid  …
    unnecessary copies during slicing of large strings.
    - Explicitly gc-ing (possibly large) Avro Block with its associated data.
    - Removing somewhat confusing cStringIO aliasing.

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

    $ git pull https://github.com/katsiapis/incubator-beam memory

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

    https://github.com/apache/incubator-beam/pull/1694.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 #1694
    
----
commit 069ceebcb167a6c3976b362548a5d91c003a3894
Author: Gus Katsiapis <katsiapis@katsiapis-linux.mtv.corp.google.com>
Date:   2016-12-26T20:13:06Z

    Using a buffer when decompressing with Snappy in Avro in order to avoid
    unnecessary copies during slicing of large strings.

commit 4f5e9b51740a97df692138fa477a9f6c66833ab1
Author: Gus Katsiapis <katsiapis@katsiapis-linux.mtv.corp.google.com>
Date:   2016-12-26T20:17:57Z

    Explicitly gc-ing (possibly large) Avro Block with its associated data.

commit e91662bef5773bc23ca2619373496c632693e4d5
Author: Gus Katsiapis <katsiapis@katsiapis-linux.mtv.corp.google.com>
Date:   2016-12-26T20:26:03Z

    Removing somewhat confusing cStringIO aliasing.

----


> Make Dataflow Python Materialized PCollection representation more efficient
> ---------------------------------------------------------------------------
>
>                 Key: BEAM-625
>                 URL: https://issues.apache.org/jira/browse/BEAM-625
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-py
>            Reporter: Konstantinos Katsiapis
>            Assignee: Frances Perry
>             Fix For: 0.3.0-incubating
>
>
> This will be a several step process which will involve adding better support for compression
as well as Avro.



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Mime
View raw message