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Posted to issues@beam.apache.org by "Sam Whittle (Jira)" <ji...@apache.org> on 2021/03/02 12:36:00 UTC

[jira] [Assigned] (BEAM-11910) Increase subsequent page size for bags after the first

     [ https://issues.apache.org/jira/browse/BEAM-11910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sam Whittle reassigned BEAM-11910:
----------------------------------

    Assignee: Sam Whittle

> Increase subsequent page size for bags after the first
> ------------------------------------------------------
>
>                 Key: BEAM-11910
>                 URL: https://issues.apache.org/jira/browse/BEAM-11910
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-dataflow
>            Reporter: Sam Whittle
>            Assignee: Sam Whittle
>            Priority: P2
>
> Currently the page size of bags requested from the streaming dataflow backend is always 8MB.  In pipelines with large bags this can limit throughput as it results in more round-trips to the backend.  In particular with Streaming Engine this is noticable due to increased latency.
> I propose using 8MB for the first bag fetch and then doubling the limit for subsequent paginations



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