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From "Robert Muir (JIRA)" <>
Subject [jira] Reopened: (LUCENE-2419) Improve parallel tests
Date Thu, 06 May 2010 11:40:48 GMT


Robert Muir reopened LUCENE-2419:

> Improve parallel tests
> ----------------------
>                 Key: LUCENE-2419
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Build
>    Affects Versions: 3.1
>            Reporter: Robert Muir
>            Assignee: Robert Muir
>             Fix For: 3.1, 4.0
>         Attachments: LUCENE-2419.patch
> As mentioned on the dev@ mailing list here:
> It would be useful to not create a lockfactory for each test suite (As they are run sequentially
in the same separate JVM).
> Additionally, we create a lot of JVMs (26) for each batch, because we have to run one
for each letter.
> Instead, we use a technique here to divide up the tests with a custom selector:
> (I emailed the blog author and received permission to use this code)
> This gives a nice boost to the speed of overall tests, especially Solr tests, as many
start with an "S", but this is no longer a problem.

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