InstanciatedIndex - faster but memory consuming index
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Key: LUCENE-550
URL: http://issues.apache.org/jira/browse/LUCENE-550
Project: Lucene - Java
Type: New Feature
Components: Store
Versions: 1.9
Reporter: Karl Wettin
After fixing the bugs, it's now 4.5 -> 5 times the speed. This is true for both
at index and query time. Sorry if I got your hopes up too much. There are still
things to be done though. Might not have time to do anything with this until
next month, so here is the code if anyone wants a peek.
Not good enough for Jira yet, but if someone wants to fool around with it, here
it is. The implementation passes a TermEnum -> TermDocs -> Fields -> TermVector
comparation against the same data in a Directory.
When it comes to features, offsets don't exists and positions are stored ugly
and has bugs.
You might notice that norms are float[] and not byte[]. That is me who
refactored it to see if it would do any good. Bit shifting don't take many
ticks, so I might just revert that.
I belive the code is quite self explaining.
InstanciatedIndex ii = ..
ii.new InstanciatedIndexReader();
ii.addDocument(s).. replace IndexWriter for now.
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