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From John Byrne <>
Subject waaaay too many files in the index!
Date Tue, 03 Feb 2009 15:26:18 GMT

I've got a weird problem with a lucene index, using 2.3.1. The index 
contains 6660 files. I don't know how this happened.Maybe somone can 
tell me something about the files themselves? (examples below)

On one day, between 10 and 40 of these files were being created every 
minute. The index updates are triggered by updates to an SVN repository, 
but I can't find any corresponding activity in the SVN logs.

The lucene files all have names like this:


and are mostly < 5K in size.

My application uses just one instance each of 
IndexReader/IndexWriter/IndexSearcher. From looking at

Can anyone shed any light on these files? I'm not too hopeful about 
fixing this index because we are getting "too many open files", even 
with an unlimited ulimit, but any info/suggestions would be great. Thanks.


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