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Posted to issues-all@impala.apache.org by "Tim Armstrong (JIRA)" <ji...@apache.org> on 2018/06/06 23:19:00 UTC

[jira] [Created] (IMPALA-7136) Set a default THREAD_RESERVATION_AGGREGATE_LIMIT value

Tim Armstrong created IMPALA-7136:
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             Summary: Set a default THREAD_RESERVATION_AGGREGATE_LIMIT value
                 Key: IMPALA-7136
                 URL: https://issues.apache.org/jira/browse/IMPALA-7136
             Project: IMPALA
          Issue Type: Bug
          Components: Distributed Exec
            Reporter: Tim Armstrong
            Assignee: Michael Ho


Similar to IMPALA-7115, we should consider setting a default value for this option that will reject queries that are likely to be problematic because of scalability concerns. The aggregate thread count really depends on scalability, so [~kwho] probably has the best idea of what a realistic limit is here after the KRPC changes.



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