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https://issues.apache.org/jira/browse/BEAM-6100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on BEAM-6100 started by Lukasz Gajowy.
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> Runtime and total bytes metrics are not collected properly
> ----------------------------------------------------------
>
> Key: BEAM-6100
> URL: https://issues.apache.org/jira/browse/BEAM-6100
> Project: Beam
> Issue Type: Sub-task
> Components: testing
> Reporter: Lukasz Gajowy
> Assignee: Lukasz Gajowy
> Priority: Major
>
> Currently, we collect time (distribution) and bytes (counter) metrics from
> one ParDo (called MetricsMonitor) that is put in pipelines in one,
> arbitrarily chosen place (usually "in the middle" of pipeline's graph. In
> some cases, invalid time (or total bytes count) is registered.
> Taking [this|https://github.com/apache/beam/pull/6987#discussion_r231976671]
> discussion into account, ideally, we'd like to:
> - collect runtime by recording time at the root and sink(s) of the pipeline
> - collect total bytes in a separate ParDo that allows deciding what byte
> amount do we actually want to collect (now it's coupled to the
> time-collecting Monitor which is inconvenient).
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