Gladson Vas created KYLIN-4079:
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Summary: Concurrent query requests using Query API makes the query
execution take too much time
Key: KYLIN-4079
URL: https://issues.apache.org/jira/browse/KYLIN-4079
Project: Kylin
Issue Type: Bug
Components: Query Engine
Reporter: Gladson Vas
Hi,
When 40 queries are executed on kylin parallelly (at once) the
response time distribution is as below, with min, max and mean response time as
6557,7580 and 6887 ms respectively.
Kylin doesn’t seem to handle parallel execution of queries.
!SlowQueryExecution.png!
!SlowQueryExecution1.png!
But when 40 queries are executed over 40 seconds i.e one query
executed per second the response time distribution is as below, with min, max
and mean response time as 110,2820 and 248 ms respectively.
This seems fine as the mean response time in less than a
second.
!NormalQueryExecution.png!!NormalQueryExecution1.png!
There seems to be some problem when queries are fired in
parallel to kylin.Please help.
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