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https://issues.apache.org/jira/browse/BEAM-7431?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16864236#comment-16864236
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Lukasz Gajowy commented on BEAM-7431:
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[https://docs.google.com/document/d/1keh9iCisKO39ntBPICN_lGnriub5jNeHFcLxkWleIFI/edit?usp=sharing]
- this document describes some ideas on how to mitigate the issues
> ObjectSizeCalculator causing regressions in load tests
> ------------------------------------------------------
>
> Key: BEAM-7431
> URL: https://issues.apache.org/jira/browse/BEAM-7431
> Project: Beam
> Issue Type: Bug
> Components: testing
> Reporter: Lukasz Gajowy
> Assignee: Lukasz Gajowy
> Priority: Critical
> Time Spent: 1h 40m
> Remaining Estimate: 0h
>
> It looks (based on my investigation) that `ObjectSizeCalculator` is causing a
> regression in load tests of core operations. the runtime increased from ~400s
> to ~2000s. Calculating object size this way seems to be an expensive
> operation - we probably could change it to something simpler (or not?).
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