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https://issues.apache.org/jira/browse/BEAM-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16090765#comment-16090765
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ASF GitHub Bot commented on BEAM-1234:
--------------------------------------
GitHub user robertwb opened a pull request:
https://github.com/apache/beam/pull/3580
Let IsBounded take True value.
This is useful for languages like Python that may use this in a conditional
statement (or allow assignment from True->1/False->0).
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---
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/robertwb/incubator-beam patch-9
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/beam/pull/3580.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 #3580
----
commit 0f0d2df88db40ad2b5b3893bf152b6221d68ca50
Author: Robert Bradshaw <rober...@gmail.com>
Date: 2017-07-17T23:01:18Z
Let IsBounded take True value.
This is useful for languages like Python that may use this in a conditional
statement (or allow assignment from True->1/False->0).
----
> Consider a hint ParDo.withHighFanout()
> --------------------------------------
>
> Key: BEAM-1234
> URL: https://issues.apache.org/jira/browse/BEAM-1234
> Project: Beam
> Issue Type: Improvement
> Components: sdk-java-core
> Reporter: Eugene Kirpichov
> Priority: Minor
>
> I'm finding myself again and again suggesting users on StackOverflow to
> insert fusion breaks after high-fanout ParDo's.
> I think we should just implement this as a hint on ParDo and MapElements
> transforms, like we have on GroupByKey.fewKeys() or
> Combine.withHotKeyFanout().
> E.g.: c.apply(ParDo.of(some high-fanout DoFn).withHighFanout()), and a runner
> that implements fusion could decide to insert a runner-specific fusion break.
> This somewhat sidesteps the issues in
> https://issues.apache.org/jira/browse/BEAM-730 and
> https://lists.apache.org/thread.html/ac34c9ac665a8d9f67b0254015e44c59ea65ecc1360d4014b95d3b2e@%3Cdev.beam.apache.org%3E
> because every runner can decide how to do the right thing, or is free to
> ignore the hint.
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