[ http://issues.apache.org/jira/browse/LUCENE-651?page=comments#action_12459816 ] Otis Gospodnetic commented on LUCENE-651: -----------------------------------------
For the record, this patch had a small mistake in it, causing memory leakage. The fix is in LUCENE-754. > Poor performance race condition in FieldCacheImpl > ------------------------------------------------- > > Key: LUCENE-651 > URL: http://issues.apache.org/jira/browse/LUCENE-651 > Project: Lucene - Java > Issue Type: Improvement > Components: Search > Affects Versions: 2.0.0 > Reporter: Oliver Hutchison > Assigned To: Otis Gospodnetic > Priority: Minor > Attachments: LUCENE-651.patch > > > A race condition exists in FieldCacheImpl that causes a significant > performance degradation if multiple threads concurrently request a value that > is not yet cached. The degradation is particularly noticable in large indexes > and when there a many concurent requests for the cached value. > For the full discussion see the mailing list thread 'Poor performance "race > condition" in FieldSortedHitQueue' > (http://www.gossamer-threads.com/lists/lucene/java-user/38717). -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
