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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-22) DirectPipelineRunner: support for unbounded collections
Date Fri, 08 Apr 2016 18:11:26 GMT

    [ https://issues.apache.org/jira/browse/BEAM-22?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15232629#comment-15232629
] 

ASF GitHub Bot commented on BEAM-22:
------------------------------------

GitHub user tgroh opened a pull request:

    https://github.com/apache/incubator-beam/pull/149

    [BEAM-22] Add WindowIntoEvaluatorFactory

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
    
     - [x] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [x] Make sure tests pass via `mvn clean verify`. (Even better, enable
           Travis-CI on your fork and ensure the whole test matrix passes).
     - [x] Replace "<Jira issue #>" in the title with the actual Jira issue
           number, if there is one.
     - [x] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.txt).
    
    ---
    
    This is a TransformEvaluator-based implementation of the Window#into
    primitve, as opposed to the DoFn ProcessContext internals-based
    implementation.
    
    Part of the new Runner API, in which Window.Bound is a primitive.
    This implementation does not require access to internals within DoFn.

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

    $ git pull https://github.com/tgroh/incubator-beam ippr_window_primitive

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

    https://github.com/apache/incubator-beam/pull/149.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 #149
    
----
commit 3f5762579389d150a89f9e7f871f024daa504430
Author: Thomas Groh <tgroh@google.com>
Date:   2016-04-08T16:29:31Z

    Add WindowIntoEvaluatorFactory
    
    This is a TransformEvaluator-based implementation of the Window#into
    primitve, as opposed to the DoFn ProcessContext internals-based
    implementation.

----


> DirectPipelineRunner: support for unbounded collections
> -------------------------------------------------------
>
>                 Key: BEAM-22
>                 URL: https://issues.apache.org/jira/browse/BEAM-22
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-direct
>            Reporter: Davor Bonaci
>            Assignee: Thomas Groh
>
> DirectPipelineRunner currently runs over bounded PCollections only, and implements only
a portion of the Beam Model.
> We should improve it to faithfully implement the full Beam Model, such as add ability
to run over unbounded PCollections, and better resemble execution model in a distributed system.
> This further enables features such as a testing source which may simulate late data and
test triggers in the pipeline. Finally, we may want to expose an option to select between
"debug" (single threaded), "chaos monkey" (test as many model requirements as possible), and
"performance" (multi-threaded).
> more testing (chaos monkey) 
> Once this is done, we should update this StackOverflow question:
> http://stackoverflow.com/questions/35350113/testing-triggers-with-processing-time/35401426#35401426



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