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ASF subversion and git services commented on SOLR-12616: -------------------------------------------------------- Commit e9f3a3ce1d482bd90ba8aca6e8cb7fe6c86756eb in lucene-solr's branch refs/heads/jira/http2 from [~varunthacker] [ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=e9f3a3c ] SOLR-12616: Optimize Export writer upto 4 sort fields to get better performance. This was removed in SOLR-11598 but brought back in the same version > Track down performance slowdowns with ExportWriter > -------------------------------------------------- > > Key: SOLR-12616 > URL: https://issues.apache.org/jira/browse/SOLR-12616 > Project: Solr > Issue Type: Bug > Security Level: Public(Default Security Level. Issues are Public) > Components: streaming expressions > Reporter: Varun Thacker > Priority: Major > Fix For: master (8.0), 7.5 > > Attachments: DefaultCode-1.png, DefaultCode-2.png, SOLR-12616.patch, > SOLR-12616.patch, SingleSortValue-1.png, SingleSortValue-2.png > > > Just to be clear for users glancing through this Jira : The performance > slowdown is currently on an unreleased version of Solr so no versions are > affected by this. > While doing some benchmarking for SOLR-12572 , I compared the export writers > performance against Solr 7.4 and there seems to be some slowdowns that have > been introduced. Most likely this is because of SOLR-11598 > In an 1 shard 1 replica collection with 25M docs. We issue the following > query > {code:java} > /export?q=*:*&sort=id desc&fl=id{code} > Solr 7.4 took 8:10 , 8:20 and 8:22 in the 3 runs that I did > Master took 10:46 > Amrit's done some more benchmarking so he can fill in with some more numbers > here. > -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org