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Posted to issues-all@impala.apache.org by "Csaba Ringhofer (Jira)" <ji...@apache.org> on 2023/09/21 16:25:00 UTC

[jira] [Created] (IMPALA-12456) Apply optimization in IMPALA-7320 during event processing

Csaba Ringhofer created IMPALA-12456:
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             Summary: Apply optimization in IMPALA-7320 during event processing
                 Key: IMPALA-12456
                 URL: https://issues.apache.org/jira/browse/IMPALA-12456
             Project: IMPALA
          Issue Type: Improvement
          Components: Catalog
            Reporter: Csaba Ringhofer


I saw some callstacks where table loading triggered by alter table events dominated most threads. It turned out that the optimization in IMPALA-7320 is not applied there and a file listing is initiated for each partition, even if a single recursive listing could read all data.



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