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https://issues.apache.org/jira/browse/LUCENE-2387?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless resolved LUCENE-2387.
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Resolution: Fixed
Fix Version/s: 3.1
> IndexWriter retains references to Readers used in Fields (memory leak)
> ----------------------------------------------------------------------
>
> Key: LUCENE-2387
> URL: https://issues.apache.org/jira/browse/LUCENE-2387
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 3.0.1
> Reporter: Ruben Laguna
> Assignee: Michael McCandless
> Fix For: 3.1
>
> Attachments: LUCENE-2387.patch
>
>
> As described in [1] IndexWriter retains references to Reader used in Fields
> and that can lead to big memory leaks when using tika's ParsingReaders (as
> those can take 1MB per ParsingReader).
> [2] shows a screenshot of the reference chain to the Reader from the
> IndexWriter taken with Eclipse MAT (Memory Analysis Tool) . The chain is the
> following:
> IndexWriter -> DocumentsWriter -> DocumentsWriterThreadState ->
> DocFieldProcessorPerThread -> DocFieldProcessorPerField -> Fieldable ->
> Field (fieldsData)
> -------------
> [1] http://markmail.org/thread/ndmcgffg2mnwjo47
> [2] http://skitch.com/ecerulm/n7643/eclipse-memory-analyzer
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