https://issues.apache.org/ooo/show_bug.cgi?id=121457
Bug ID: 121457
Issue Type: DEFECT
Summary: Update Apache Lucene to version 3.6.x
Classification: Code
Product: external prerequisites
Version: AOO350-dev
Hardware: All
OS: All
Status: CONFIRMED
Severity: normal
Priority: P3
Component: www
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Lucene was recently updated to version 2.9.4.
We can bump Lucene up to version 3.6.x without trouble (tested on FreeBSD).
After some feedback from Steve Rowe from Apache Lucene, this would let us use
new features in modern Lucene:
- In HelpIndexerTool.java, for Japanese, we use CJKAnalyzer. In Lucene
version 3.6, a new Japanese morphological analyzer was added (the kuromoji
module) - this would definitely do a better job of searching Japanese content.
- We use NIOFSDirectory, both when searching and indexing, but this is slow on
Windows. Here's a blog post about a better alternative (MMapDirectory) when
using Lucene 3.1+ with 64-bit JVMs:
<http://blog.thetaphi.de/2012/07/use-lucenes-mmapdirectory-on-64bit.html> - it
mentions the NIOFSDirectory issue too. FSDirectory.open() knows about these
issues and tries to pick the best option for you.
Implementing this the help system would be much faster.
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