[
https://issues.apache.org/jira/browse/BEAM-10481?focusedWorklogId=484619&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-484619
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ASF GitHub Bot logged work on BEAM-10481:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 15/Sep/20 16:42
Start Date: 15/Sep/20 16:42
Worklog Time Spent: 10m
Work Description: timclemons opened a new pull request #12850:
URL: https://github.com/apache/beam/pull/12850
Move registration of accumulator so as to include those recovered from
checkpoints. Prior to this, if the accumulator was recovered from a checkpoint
it would not be registered, resulting in a runtime exception.
R: @jbonofre
------------------------
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Issue Time Tracking
-------------------
Worklog Id: (was: 484619)
Remaining Estimate: 0h
Time Spent: 10m
> MetricsAccumulator is not registering when resuming from a checkpoint
> ---------------------------------------------------------------------
>
> Key: BEAM-10481
> URL: https://issues.apache.org/jira/browse/BEAM-10481
> Project: Beam
> Issue Type: Bug
> Components: runner-spark
> Affects Versions: 2.22.0
> Reporter: Mani Kolbe
> Priority: P2
> Attachments: image-2020-07-14-10-55-11-855.png
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
>
> I am running in an beam application in streaming mode with jobName and
> checkPointDir configured. When I recover application from a planned stop, I
> am getting failure.
>
> I did some investigation and noticed that the accumulator is not getting
> registered on recovering checkpoint scenario.
>
> Correct me if I am wrong. If you see the code in the screenshot below from
> MetricsAccumulator class on beam v2.22.0, you can see new instance of
> MetricsContainerStepMapAccumulator is getting registered on line#64. But if a
> recovered value is present, it constructs a new instance with the recovered
> value (Line#78). But this new accumulator instance is not getting registered.
> This is forcing Spark Driver to throw exception:
> _java.lang.UnsupportedOperationException: Accumulator must be registered
> before send to executor_
> !image-2020-07-14-10-55-11-855.png|width=706,height=351!
>
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