Queries for DescendantSelfAxisWeight/ChildAxisQuery are currently very heavy
and become slow pretty quickly
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Key: JCR-1196
URL: https://issues.apache.org/jira/browse/JCR-1196
Project: Jackrabbit
Issue Type: Improvement
Components: query
Affects Versions: 1.3.3
Reporter: Ard Schrijvers
Fix For: 1.4
A query like
/documents/en/news//[EMAIL PROTECTED] order by @modificationDate
when there are many nodes ( > 1.000) in /documents/en/news becomes very slow.
I think the bottleneck is in something like recursive filters in lucene. First
off all I'll try to find some stastistics about the performance, and describe
the bottleneck. After that, a solution must be found, where we need to keep in
mind that
1) these queries run faster and scale better (obviously)
2) moving a node must stay a cheap operation
Also see:
http://www.nabble.com/Search-performance--%3A-MultiIndex-tf4695559.html#a13421949
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