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https://issues.apache.org/jira/browse/BEAM-10402?focusedWorklogId=505993&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-505993
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ASF GitHub Bot logged work on BEAM-10402:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 29/Oct/20 01:34
            Start Date: 29/Oct/20 01:34
    Worklog Time Spent: 10m 
      Work Description: kennknowles commented on pull request #13134:
URL: https://github.com/apache/beam/pull/13134#issuecomment-718303211


   Java precommit seems to have degraded in runtime.
   
    - Before: https://scans.gradle.com/s/gohimd5ekkcmo/timeline
    - After: https://scans.gradle.com/s/z4brjsxfpftxy/timeline
   
   So it went from 40 minutes to 90 minutes. It isn't apples-to-apples as we 
have a lot of caching effects since they are just running on Jenkins:
   
    - Before: `2375 tasks executed in 116 projects in 34m 18.746s, with 162 
avoided tasks saving 1h 19.326s`
    - After: `2463 tasks executed in 116 projects in 1h 20m 11.508s, with 38 
avoided tasks saving 14m 48.735s`
   
   I think zero-cache builds in some semi-controlled environment might give a 
better sense whether this needs to be treated specially.


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 505993)
    Time Spent: 8.5h  (was: 8h 20m)

> [Umbrella] Eliminate nullability errors from Beam Java
> ------------------------------------------------------
>
>                 Key: BEAM-10402
>                 URL: https://issues.apache.org/jira/browse/BEAM-10402
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-core
>            Reporter: Kenneth Knowles
>            Priority: P1
>              Labels: Clarified, starter
>          Time Spent: 8.5h
>  Remaining Estimate: 0h
>
> I enabled the checker framework and the core SDK exceeds 100 nullability 
> errors immediately. We should make this number zero, since nullability errors 
> are solved problem in computer science and they do periodically impact Beam.



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