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Posted to dev@lucene.apache.org by "Dawid Weiss (JIRA)" <ji...@apache.org> on 2013/03/04 13:43:13 UTC
[jira] [Resolved] (LUCENE-4654) Test duration statistics from
multiple test runs should be reused (locally).
[ https://issues.apache.org/jira/browse/LUCENE-4654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dawid Weiss resolved LUCENE-4654.
---------------------------------
Resolution: Fixed
I've implemented this and committed it in along with an update to precomputed statistics.
This will *not* make your tests a whole lot faster because there is job-stealing by default anyway so unless you really hit a long test scheduled at the very end of a series of per-jvm tests it won't make a difference.
Obviously it won't make any difference if you're running with a single JVM either.
What may make a (small) difference is for people with a lot of cores or, paradoxically, a few cores on slower machines. I think it's an improvement over the existing version anyway so it's for the better.
> Test duration statistics from multiple test runs should be reused (locally).
> ----------------------------------------------------------------------------
>
> Key: LUCENE-4654
> URL: https://issues.apache.org/jira/browse/LUCENE-4654
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Dawid Weiss
> Assignee: Dawid Weiss
> Priority: Trivial
> Fix For: 4.2, 5.0
>
>
> This is trivial to accomplish: when somebody (or jenkins) runs tests multiple times the execution statistics could be reused to improve load balancing on the local machine (local hardware and settings) in favor of the precached values currently version in the svn repo.
> At this moment we already do this, but keep the stats under build/ and every ant clean effectively removes them. I could move those stats under an svn-ignored folder elsewhere so that these stats are not lost and reused for balancing.
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