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From "Shai Erera (JIRA)" <>
Subject [jira] [Reopened] (LUCENE-4061) Improvements to DirectoryTaxonomyWriter (synchronization and others)
Date Sun, 10 Jun 2012 11:44:42 GMT


Shai Erera reopened LUCENE-4061:

TestDirectoryTaxonomyWriter.testConcurrency sometimes fails on mismatch number of categories.

This is not repeated easily, but if run with -Dtests.iters, it is.
> Improvements to DirectoryTaxonomyWriter (synchronization and others)
> --------------------------------------------------------------------
>                 Key: LUCENE-4061
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: modules/facet
>            Reporter: Shai Erera
>            Assignee: Shai Erera
>             Fix For: 4.0
>         Attachments: LUCENE-4061.patch
> DirTaxoWriter synchronizes in too many places. For instance addCategory() is fully synchronized,
while only a small part of it needs to be.
> Additionally, getCacheMemoryUsage looks bogus - it depends on the type of the TaxoWriterCache.
No code uses it, so I'd like to remove it -- whoever is interested can query the specific
cache impl it has. Currently, only Cl2oTaxoWriterCache supports it.
> If the changes will be simple, I'll port them to 3.6.1 as well.

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