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Posted to dev@pinot.apache.org by GitBox <gi...@apache.org> on 2019/01/19 02:58:30 UTC
[GitHub] ly923976094 opened a new issue #3726: Multithreading concurrent
request query, time increase problem
ly923976094 opened a new issue #3726: Multithreading concurrent request query, time increase problem
URL: https://github.com/apache/incubator-pinot/issues/3726
For the same PQL, the time difference between using one thread to query and 10 threads to query concurrently is quite large. May I ask whether the number of concurrent requests is controlled by pinot server or whether the number of concurrent requests can be configured
pql:SELECT SUM(psr1_nume), SUM(psr1_deno) FROM video_market-video_download_performance_full_day WHERE fdate BETWEEN 1547049600000 AND 1547135999000 AND country = 'USA' GROUP BY province, isp TOP 1000
1 thread:
timeUsedMs: 623
10 thread:
timeUsedMs: 1760
timeUsedMs: 1920
timeUsedMs: 1964
timeUsedMs: 1963
timeUsedMs: 1966
timeUsedMs: 1868
timeUsedMs: 1854
timeUsedMs: 1968
timeUsedMs: 1874
timeUsedMs: 1869
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