Improve indexing performance by reusing already create Lucene Documents within
a single indexing transaction
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Key: JCR-2311
URL: https://issues.apache.org/jira/browse/JCR-2311
Project: Jackrabbit Content Repository
Issue Type: Improvement
Components: indexing
Affects Versions: 2.0-alpha9, 1.6.0, 1.5.7
Reporter: Ard Schrijvers
Assignee: Ard Schrijvers
Priority: Minor
Fix For: 1.5.8, 1.6.1, 2.0-alpha11
When using indexing aggregates, it can become very expensive when for example
binary data like pdfs are involved. Within a single MultiIndex transaction, we
should be save to reuse the created Lucene Document's. This is useful for
aggregates, as this might currently involve reindexing the same node multiple
times now in a single transaction.
In the mail discussion below I describe to use WeakReferences, though I think
SoftReferences are in this case better suited (we do not want the created
lucene docs to be gc-ed, unless memory gets low...)
Also see
http://www.nabble.com/Improve-indexing-performance-wrt-Aggregates-td25471828.html
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