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https://issues.apache.org/jira/browse/SOLR-10619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15999228#comment-15999228
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Cao Manh Dat edited comment on SOLR-10619 at 5/6/17 2:31 AM:
-------------------------------------------------------------
Initial patch for this ticket. The Overseer.testPerformance time reduced from
2m18s to 31s.
{panel:title=Before apply the patch, running time = 2m18s}
Overseer loop finished processing:
avgRequestsPerSecond: 0.007718809350800701
5minRateRequestsPerSecond: 0.0
15minRateRequestsPerSecond: 0.0
avgTimePerRequest: 129550895586000000
medianRequestTime: 129550895586000000
75thPcRequestTime: 129550895586000000
95thPcRequestTime: 129550895586000000
99thPcRequestTime: 129550895586000000
999thPcRequestTime: 129550895586000000
op: am_i_leader, success: 3, failure: 0
avgRequestsPerSecond: 0.02319808972135658
5minRateRequestsPerSecond: 0.2681280184142557
15minRateRequestsPerSecond: 0.35006932761717896
avgTimePerRequest: 279884000000
medianRequestTime: 113274000000
75thPcRequestTime: 113274000000
95thPcRequestTime: 1470039000000
99thPcRequestTime: 1470039000000
999thPcRequestTime: 1470039000000
op: update_state, success: 20011, failure: 0
avgRequestsPerSecond: 154.80879143800885
5minRateRequestsPerSecond: 102.1642410535161
15minRateRequestsPerSecond: 87.06135680694149
avgTimePerRequest: 226193000000
medianRequestTime: 213152000000
75thPcRequestTime: 228076000000
95thPcRequestTime: 258815000000
99thPcRequestTime: 332711000000
999thPcRequestTime: 3070637000000
op: state, success: 20001, failure: 0
avgRequestsPerSecond: 154.95644369471393
5minRateRequestsPerSecond: 103.31921470642384
15minRateRequestsPerSecond: 88.36168489656214
avgTimePerRequest: 15785000000
medianRequestTime: 14638000000
75thPcRequestTime: 19736000000
95thPcRequestTime: 26959000000
99thPcRequestTime: 41592000000
999thPcRequestTime: 82301000000
{panel}
{panel:title=After apply the patch, running time = 31s}
Overseer loop finished processing:
avgRequestsPerSecond: 0.04702007081952135
5minRateRequestsPerSecond: 0.0
15minRateRequestsPerSecond: 0.0
avgTimePerRequest: 21266388653000000
medianRequestTime: 21266388653000000
75thPcRequestTime: 21266388653000000
95thPcRequestTime: 21266388653000000
99thPcRequestTime: 21266388653000000
999thPcRequestTime: 21266388653000000
op: am_i_leader, success: 3, failure: 0
avgRequestsPerSecond: 0.1424634644143451
5minRateRequestsPerSecond: 0.3804917698002856
15minRateRequestsPerSecond: 0.393388581528647
avgTimePerRequest: 715047000000
medianRequestTime: 354218000000
75thPcRequestTime: 1893782000000
95thPcRequestTime: 1893782000000
99thPcRequestTime: 1893782000000
999thPcRequestTime: 1893782000000
op: update_state, success: 20011, failure: 0
avgRequestsPerSecond: 952.638561665829
5minRateRequestsPerSecond: 794.828260100909
15minRateRequestsPerSecond: 786.4717084310993
avgTimePerRequest: 214683000000
medianRequestTime: 197207000000
75thPcRequestTime: 217411000000
95thPcRequestTime: 298345000000
99thPcRequestTime: 363035000000
999thPcRequestTime: 2295814000000
op: state, success: 20001, failure: 0
avgRequestsPerSecond: 953.595055990491
5minRateRequestsPerSecond: 799.4104704273237
15minRateRequestsPerSecond: 791.1978869728018
avgTimePerRequest: 12457000000
medianRequestTime: 8845000000
75thPcRequestTime: 14149000000
95thPcRequestTime: 28728000000
99thPcRequestTime: 50239000000
999thPcRequestTime: 79344000000
{panel}
was (Author: caomanhdat):
Initial patch for this ticket. The Overseer.testPerformance time reduced from
2m18s to 31s
> When DQ.knowChildren is not empty, DQ should not refetch node children in
> case of single consumer
> -------------------------------------------------------------------------------------------------
>
> Key: SOLR-10619
> URL: https://issues.apache.org/jira/browse/SOLR-10619
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Cao Manh Dat
> Assignee: Cao Manh Dat
> Attachments: SOLR-10619.patch
>
>
> Right now, for every time childWatcher is kicked off. We refetch all children
> of DQ's node. It is a wasted in case of single consumer.
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