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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-22) DirectPipelineRunner: support for unbounded collections
Date Mon, 28 Mar 2016 22:51:25 GMT

    [ https://issues.apache.org/jira/browse/BEAM-22?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15215035#comment-15215035
] 

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

GitHub user tgroh opened a pull request:

    https://github.com/apache/incubator-beam/pull/86

    [BEAM-22] Add BundleFactory, ImmutabilityCheckingBundleFactory

    This allows checks to be made on the contents of bundles.
    ImmutabilityCheckingBundleFactory produces bundles that ensure that
    elements output to a bundle are not modified after being output.
    
    Required in addition to ModelEnforcement to ensure outputs are not
    mutated; ModelEnforcement doesn't have access to the output bundles
    until they are completed (and user code has finished)

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

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

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

    https://github.com/apache/incubator-beam/pull/86.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 #86
    
----
commit 1e35dc0c096b9499c17a3b948ae66e819940c107
Author: Thomas Groh <tgroh@google.com>
Date:   2016-03-18T00:39:45Z

    Add BundleFactory, ImmutabilityCheckingBundleFactory
    
    This allows checks to be made on the contents of bundles.
    ImmutabilityCheckingBundleFactory produces bundles that ensure that
    elements output to a bundle are not modified after being output.

----


> 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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