[ https://issues.apache.org/jira/browse/SOLR-4763?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14681683#comment-14681683 ]
Ovidiu Mihalcea commented on SOLR-4763: --------------------------------------- Would really need some good news with this. We really need result grouping with faceting and this is really slowing our site... :( > Performance issue when using group.facet=true > --------------------------------------------- > > Key: SOLR-4763 > URL: https://issues.apache.org/jira/browse/SOLR-4763 > Project: Solr > Issue Type: Bug > Affects Versions: 4.2 > Reporter: Alexander Koval > Assignee: Erick Erickson > Fix For: 5.3, Trunk > > Attachments: SOLR-4763.patch, SOLR-4763.patch, SOLR-4763.patch > > > I do not know whether this is bug or not. But calculating facets with > {{group.facet=true}} is too slow. > I have query that: > {code} > "matches": 730597, > "ngroups": 24024, > {code} > 1. All queries with {{group.facet=true}}: > {code} > "QTime": 5171 > "facet": { > "time": 4716 > {code} > 2. Without {{group.facet}}: > * First query: > {code} > "QTime": 3284 > "facet": { > "time": 3104 > {code} > * Next queries: > {code} > "QTime": 230, > "facet": { > "time": 76 > {code} > So I think with {{group.facet=true}} Solr doesn't use cache to calculate > facets. > Is it possible to improve performance of facets when {{group.facet=true}}? -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org