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Posted to issues@beam.apache.org by "Niel Markwick (Jira)" <ji...@apache.org> on 2020/05/11 15:57:00 UTC

[jira] [Work stopped] (BEAM-9822) SpannerIO: Reduce memory usage - especially when streaming

     [ https://issues.apache.org/jira/browse/BEAM-9822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on BEAM-9822 stopped by Niel Markwick.
-------------------------------------------
> SpannerIO: Reduce memory usage - especially when streaming
> ----------------------------------------------------------
>
>                 Key: BEAM-9822
>                 URL: https://issues.apache.org/jira/browse/BEAM-9822
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-gcp
>    Affects Versions: 2.20.0, 2.21.0
>            Reporter: Niel Markwick
>            Assignee: Niel Markwick
>            Priority: Major
>              Labels: google-cloud-spanner
>             Fix For: 2.22.0
>
>          Time Spent: 1.5h
>  Remaining Estimate: 0h
>
> SpannerIO uses a lot of memory. 
> In Streaming Dataflow, it uses many times as much (because dataflow creates many worker threads)
> Lower the memory use, and change default parameters during streaming to use smaller batches and disable grouping.



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