[jira] [Created] (IMPALA-7303) Include planner-estimated host count in summary

["Balazs Jeszenszky (JIRA)" <ji...@apache.org>]

Balazs Jeszenszky created IMPALA-7303:
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             Summary: Include planner-estimated host count in summary
                 Key: IMPALA-7303
                 URL: https://issues.apache.org/jira/browse/IMPALA-7303
             Project: IMPALA
          Issue Type: Improvement
          Components: Frontend
    Affects Versions: Impala 2.12.0
            Reporter: Balazs Jeszenszky


Currently, the host count included in the execution summary is a record of what actually happened. The planner-estimated host count is visible only in the plan itself. Summary should include an 'Est. #Hosts', like for the rest of the values.

Plan:
{code:java}
F09:PLAN FRAGMENT [RANDOM] >>>>>hosts=1 instances=1<<<<<
|  |  Per-Host Resources: mem-estimate=1.75GB mem-reservation=1.94MB
|  |  14:HASH JOIN [LEFT OUTER JOIN, BROADCAST]
{code}

Summary:
{code:java}
Operator                #Hosts 
14:HASH JOIN         105
{code}



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