[
https://issues.apache.org/jira/browse/BEAM-5857?focusedWorklogId=163078&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-163078
]
ASF GitHub Bot logged work on BEAM-5857:
----------------------------------------
Author: ASF GitHub Bot
Created on: 06/Nov/18 14:41
Start Date: 06/Nov/18 14:41
Worklog Time Spent: 10m
Work Description: mareksimunek commented on a change in pull request
#6829: [BEAM-5857] Fix: unnecessary submission of a new job when calling inp…
URL: https://github.com/apache/beam/pull/6829#discussion_r231147390
##########
File path:
runners/spark/src/main/java/org/apache/beam/runners/spark/translation/GroupCombineFunctions.java
##########
@@ -131,7 +128,13 @@
return CoderHelpers.toByteArray(merged, iterAccumCoder);
});
- return Optional.of(CoderHelpers.fromByteArray(accumulatedBytes,
iterAccumCoder));
+ final Iterable<WindowedValue<AccumT>> result =
+ CoderHelpers.fromByteArray(accumulatedBytes, iterAccumCoder);
+ if (Iterables.isEmpty(result)) {
Review comment:
done
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Issue Time Tracking
-------------------
Worklog Id: (was: 163078)
Time Spent: 1h (was: 50m)
> Unnecessary submission of a new job in Combine.globally
> -------------------------------------------------------
>
> Key: BEAM-5857
> URL: https://issues.apache.org/jira/browse/BEAM-5857
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Affects Versions: 2.7.0
> Reporter: Marek Simunek
> Assignee: Marek Simunek
> Priority: Major
> Time Spent: 1h
> Remaining Estimate: 0h
>
> When calling `rdd.isEmpty()`, it submits new job, which is not optimal. This
> happens in Combine.globally translation where its
> [called|https://github.com/apache/beam/blob/master/runners/spark/src/main/java/org/apache/beam/runners/spark/translation/GroupCombineFunctions.java#L102].
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