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ASF subversion and git services commented on SOLR-13739: -------------------------------------------------------- Commit f56aacd0a1f4c75936ab6cec779066546a9439f9 in lucene-solr's branch refs/heads/branch_8x from Thomas Wöckinger [ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=f56aacd ] SOLR-13739: Optimized large managed schema modifications Internal O(n^2) problem. Fixes #855 (cherry picked from commit e788024b84b1402295d4fe6e0c8b818ae3772a52) > Managed resource observers have to be added only once > ----------------------------------------------------- > > Key: SOLR-13739 > URL: https://issues.apache.org/jira/browse/SOLR-13739 > Project: Solr > Issue Type: Improvement > Security Level: Public(Default Security Level. Issues are Public) > Components: Server > Affects Versions: 8.0, 8.1, master (9.0), 8.2, 8.1.1 > Reporter: Thomas Wöckinger > Priority: Major > Labels: easyfix, performance, pull-request-available, > ready-to-commit > Time Spent: 1h 20m > Remaining Estimate: 0h > > On huge schema modifications, mostly happen due to creation of a new > collection, the same observer instance of an ResourceLoaderAware component is > added again and again. > This leads to a runtime behaviour of n²/2 where n is is the number of schema > operation multiplied by ResourceLoaderAware components instead of the number > of containing ResourceLoaderAware components. > E.g. If you have 1000 schema operations and 2 ResourceLoaderAware components > this leads to 500000 operations instead of 2000. > Even worse the corresponding resource is registered again and again, which > can take some time e.g. ManagedSynonymGraphFilterFactory needs about 5s on > each call (depending on the size of synonyms). -- This message was sent by Atlassian Jira (v8.3.2#803003) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org