IndexWriter retains references to Readers used in Fields (memory leak)
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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
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)
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[1] http://markmail.org/thread/ndmcgffg2mnwjo47
[2] http://skitch.com/ecerulm/n7643/eclipse-memory-analyzer
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