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Posted to issues-all@impala.apache.org by "Thomas Tauber-Marshall (JIRA)" <ji...@apache.org> on 2019/01/29 20:47:00 UTC

[jira] [Created] (IMPALA-8139) Report DML stats incrementally

Thomas Tauber-Marshall created IMPALA-8139:
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             Summary: Report DML stats incrementally
                 Key: IMPALA-8139
                 URL: https://issues.apache.org/jira/browse/IMPALA-8139
             Project: IMPALA
          Issue Type: Improvement
          Components: Backend, Distributed Exec
    Affects Versions: Impala 3.2.0
            Reporter: Thomas Tauber-Marshall


Impala collects some stats related to dml execution. Currently, these are reported back to the coordinator (in  a DmlExecStatusPB) only with the final status report, as its tricky to report them in an idempotent way.

With IMPALA-4555, we're introducing functionality for portions of the status report to be non-idempotent. We can use this mechanism to report the dml stats incrementally during query execution, instead of once at the end, which is useful for user visibility into the status of running queries.



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