Sergey Korotkov created IGNITE-24777:
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Summary: Performance statistics: wrong number of SQL query
executions
Key: IGNITE-24777
URL: https://issues.apache.org/jira/browse/IGNITE-24777
Project: Ignite
Issue Type: Bug
Reporter: Sergey Korotkov
Performance statistics shows wrong number of SQL query executions.
Both in the HTML report created via build-report.sh and as output of
print-statistics.sh.
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The attached 3 sample .prf files demonstrates the problem (one good and two
bad).
All 3 files were obtained from the client node executing
* single explain query
* the same select SQL query in 8 threads during 3 seconds via the Calcite engine
About 1000 queries were executed in each test.
report.txt files were generated by the command:
{noformat}
print-statistics.sh . --out report.txt --ops QUERY
{noformat}
In good case all 1189 select query executions were shown in report.
In first bad case only 5 of 979 were shown.
And in second bad case none of the select queries were shown.
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Considering the size of .prf files they does contain the info about all queries.
But it can not be read for some reasons.
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