Performance problems when sorting by custom field
Symptoms
The result of searches take long time to complete when sorting by custom field and JIRA instance may run into frequent GCs.
Thread dumps contain com.atlassian.jira.issue.search.parameters.lucene.sort.DocumentSortComparatorSource$InternalFieldComparator which has a refence to a huge com.atlassian.jira.issue.Issue array.:
"http-bio-8090-exec-24" daemon prio=5 tid=7fdb10959800 nid=0x11a0f7000 runnable [11a0ed000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
...
at com.atlassian.jira.issue.fields.CustomFieldImpl$CustomFieldIssueSortComparator.compare(CustomFieldImpl.java:1974)
at com.atlassian.jira.issue.search.parameters.lucene.sort.DefaultIssueSortComparator.compare(DefaultIssueSortComparator.java:37)
at com.atlassian.jira.issue.search.parameters.lucene.sort.DocumentSortComparatorSource$InternalFieldComparator.compareBottom(DocumentSortComparatorSource.java:89)
at org.apache.lucene.search.TopFieldCollector$MultiComparatorNonScoringCollector.collect(TopFieldCollector.java:404)
at org.apache.lucene.search.IndexSearcher.searchWithFilter(IndexSearcher.java:575)
Cause
This issue is caused by a know bug: JRA-31666 - Getting issue details... STATUS
Workaround
- Remove the sorting by custom field from the search filters;
Watch the bug report for further updates.
Last modified on Apr 7, 2016
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