lucene-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Otis Gospodnetic (JIRA)" <>
Subject [jira] Commented: (LUCENE-651) Poor performance race condition in FieldCacheImpl
Date Sun, 12 Nov 2006 04:35:40 GMT
    [ ] 
Otis Gospodnetic commented on LUCENE-651:

Ah, yes, you mentioned that in that email thread, too.  Ignore my comment.

> Poor performance race condition in FieldCacheImpl
> -------------------------------------------------
>                 Key: LUCENE-651
>                 URL:
>             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
> For the full discussion see the mailing list thread 'Poor performance "race condition"
in FieldSortedHitQueue' (

This message is automatically generated by JIRA.
If you think it was sent incorrectly contact one of the administrators:
For more information on JIRA, see:


To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message