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Posted to issues@beam.apache.org by "Kenneth Knowles (Jira)" <ji...@apache.org> on 2022/01/12 03:50:05 UTC
[jira] [Updated] (BEAM-9188) Improving speed of splitting for Custom Sources
[ https://issues.apache.org/jira/browse/BEAM-9188?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kenneth Knowles updated BEAM-9188:
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This Jira ticket has a pull request attached to it, but is still open. Did the pull request resolve the issue? If so, could you please mark it resolved? This will help the project have a clear view of its open issues.
> Improving speed of splitting for Custom Sources
> -----------------------------------------------
>
> Key: BEAM-9188
> URL: https://issues.apache.org/jira/browse/BEAM-9188
> Project: Beam
> Issue Type: Improvement
> Components: runner-dataflow
> Reporter: Radosław Stankiewicz
> Priority: P3
> Time Spent: 4h 40m
> Remaining Estimate: 0h
>
> At this moment Custom Source in being split and serialized in sequence. If there are many splits, it takes time to process all splits.
>
> Example: it takes 2s to calculate size and serialize CassandraSource due to connection setup and teardown. With 100+ splits, it's a lot of time spent in 1 worker.
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