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https://issues.apache.org/jira/browse/BEAM-6082?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16691223#comment-16691223
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Kenneth Knowles commented on BEAM-6082:
---------------------------------------

The evidence is just the timing of the trouble starting. You can see the charts 
here:

Dataflow: 
https://apache-beam-testing.appspot.com/explore?dashboard=5670405876482048
Direct: 
https://apache-beam-testing.appspot.com/explore?dashboard=5084698770407424

For query 5 it is a 5x slowdown on Dataflow and DirectRunner. I don't see the 
same on Spark and it seems like SQL isn't running on Flink.

For query 7 it looks like there was a major slowdown but then no more data.

> [SQL] Nexmark 5, 7 time out
> ---------------------------
>
>                 Key: BEAM-6082
>                 URL: https://issues.apache.org/jira/browse/BEAM-6082
>             Project: Beam
>          Issue Type: Bug
>          Components: dsl-sql
>            Reporter: Anton Kedin
>            Assignee: Kenneth Knowles
>            Priority: Blocker
>             Fix For: 2.9.0
>
>
> SQL Nexmark Queries 5 and 7 are timing out since around October 29: 
> [https://apache-beam-testing.appspot.com/explore?dashboard=5084698770407424] 
>  
> Current suspect is https://github.com/apache/beam/pull/6856



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