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https://issues.apache.org/jira/browse/BEAM-7431?focusedWorklogId=260550&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-260550
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ASF GitHub Bot logged work on BEAM-7431:
----------------------------------------

                Author: ASF GitHub Bot
            Created on: 14/Jun/19 16:25
            Start Date: 14/Jun/19 16:25
    Worklog Time Spent: 10m 
      Work Description: lgajowy commented on issue #8861: [BEAM-7431] revert 
expensive byte monitor operations from Core Operations and IO tests. Revert 
element counters too.
URL: https://github.com/apache/beam/pull/8861#issuecomment-502173194
 
 
   @angoenka could you take a look too? please see also the document mentioned 
in the PR description above for more context
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 260550)
    Time Spent: 1h 40m  (was: 1.5h)

> 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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