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Posted to dev@lucene.apache.org by "Shai Erera (JIRA)" <ji...@apache.org> on 2012/05/16 10:04:04 UTC
[jira] [Resolved] (LUCENE-4060)
DirectoryTaxonomyWriter.addTaxonomies does not work well in a
multi-threaded environment
[ https://issues.apache.org/jira/browse/LUCENE-4060?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shai Erera resolved LUCENE-4060.
--------------------------------
Resolution: Cannot Reproduce
Lucene Fields: New,Patch Available (was: New)
Committed rev 1339032 (3.6.1) and 1339047 (trunk). Also add CHANGES entry and a concurrency test to TestAddTaxonomy.
Thanks Gilad !
> DirectoryTaxonomyWriter.addTaxonomies does not work well in a multi-threaded environment
> ----------------------------------------------------------------------------------------
>
> Key: LUCENE-4060
> URL: https://issues.apache.org/jira/browse/LUCENE-4060
> Project: Lucene - Java
> Issue Type: Bug
> Components: modules/facet
> Reporter: Shai Erera
> Assignee: Shai Erera
> Fix For: 4.0, 3.6.1
>
> Attachments: LUCENE-4060.patch
>
>
> DirTaxoWriter.addTaxonomies may lead to a corrupt taxonomy index if addCategory is called in parallel. While reviewing the code, the following changes seemed to be required:
> * Fix the bug
> * Simplify addTaxonomies code -- it's very complicated, seems rather inefficient, and seems to take care of more than is needed.
> * The intention to support multiple taxonomies is unclear, especially since FacetsPayloadProcessor can handle only one Directory and one OrdinalMap at a time. So I'd like to change the method to addTaxonomy. I anyway don't see the reason to add multiple taxonomies at once, one can call addTaxonomy several times.
> I will post a patch soon.
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