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Posted to issues-all@impala.apache.org by "Bikramjeet Vig (Jira)" <ji...@apache.org> on 2021/10/22 21:12:00 UTC

[jira] [Created] (IMPALA-10981) Re-visit memory estimates for HdfsTableSink

Bikramjeet Vig created IMPALA-10981:
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             Summary: Re-visit memory estimates for HdfsTableSink
                 Key: IMPALA-10981
                 URL: https://issues.apache.org/jira/browse/IMPALA-10981
             Project: IMPALA
          Issue Type: Improvement
            Reporter: Bikramjeet Vig


There have been cases where the memory estimate for the table sink was off by 10x. Re-visit the implementation and look at factors like input expressions and underlying storage layer to find out any discrepancies in the current estimation logic



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