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Posted to commits@pinot.apache.org by "ankitsultana (via GitHub)" <gi...@apache.org> on 2023/05/22 22:12:12 UTC
[GitHub] [pinot] ankitsultana opened a new issue, #10796: [multistage] Expensive Broker Query Execution Stats Logging
ankitsultana opened a new issue, #10796:
URL: https://github.com/apache/pinot/issues/10796
https://github.com/apache/pinot/blob/c78026da7372d8ab4c71360df20c32c48a29da50/pinot-query-runtime/src/main/java/org/apache/pinot/query/service/dispatch/QueryDispatcher.java#L237
For queries with large number of stages and high number of workers, this loop to log execution stats can become expensive (number of stages x number of workers iterations per query).
With partition level parallelism, most users will have 100s of partitions so this issue will worsen (OpChain would be at partition level).
Though we are running on an old build internally, I think the issue remains on master.
cc: @KKcorps @walterddr : let me know your thoughts.
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[GitHub] [pinot] walterddr commented on issue #10796: [multistage] Expensive Broker Query Execution Stats Logging
Posted by "walterddr (via GitHub)" <gi...@apache.org>.
walterddr commented on issue #10796:
URL: https://github.com/apache/pinot/issues/10796#issuecomment-1558450462
CC @KKcorps please kindly take a look and share your thoughts
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