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https://issues.apache.org/jira/browse/BEAM-1148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15939312#comment-15939312
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Eugene Kirpichov commented on BEAM-1148:
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One option is to let PAssert output the failures (or success) to a file in the
job's temp directory.
Another option: in case of success the pipeline should simply terminate
successfully (even if it's being run using "streaming" mode, by a runner that
has a concept of modes - according to the termination semantics); so it only
remains to make sure that in case of failure the whole pipeline fails rather
than hangs. There should be an API to fail a pipeline, or to watch failures
within it. The treatment of failures, e.g. by Dataflow batch vs. streaming
runners, is inconsistent. That's probably topic for a separate JIRA.
> Port PAssert away from Aggregators
> ----------------------------------
>
> Key: BEAM-1148
> URL: https://issues.apache.org/jira/browse/BEAM-1148
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Kenneth Knowles
>
> One step in the removal of Aggregators (in favor of Metrics) is to remove our
> reliance on them for PAssert checking.
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