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Posted to commits@beam.apache.org by "Pablo Estrada (JIRA)" <ji...@apache.org> on 2018/03/26 18:49:00 UTC
[jira] [Commented] (BEAM-3926) Support MetricsPusher in Dataflow
Runner
[ https://issues.apache.org/jira/browse/BEAM-3926?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16414321#comment-16414321 ]
Pablo Estrada commented on BEAM-3926:
-------------------------------------
[~echauchot] I'll start looking at what it takes to support this in Dataflow.
> Support MetricsPusher in Dataflow Runner
> ----------------------------------------
>
> Key: BEAM-3926
> URL: https://issues.apache.org/jira/browse/BEAM-3926
> Project: Beam
> Issue Type: Sub-task
> Components: runner-dataflow
> Reporter: Scott Wegner
> Assignee: Pablo Estrada
> Priority: Major
>
> See [relevant email thread|https://lists.apache.org/thread.html/2e87f0adcdf8d42317765f298e3e6fdba72917a72d4a12e71e67e4b5@%3Cdev.beam.apache.org%3E]. From [~echauchot]:
>
> _AFAIK Dataflow being a cloud hosted engine, the related runner is very different from the others. It just submits a job to the cloud hosted engine. So, no access to metrics container etc... from the runner. So I think that the MetricsPusher (component responsible for merging metrics and pushing them to a sink backend) must not be instanciated in DataflowRunner otherwise it would be more a client (driver) piece of code and we will lose all the interest of being close to the execution engine (among other things instrumentation of the execution of the pipelines). I think that the MetricsPusher needs to be instanciated in the actual Dataflow engine._
>
>
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