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From "Wilton, Reece" <>
Subject RE: Too Many Open Files
Date Wed, 08 Oct 2003 22:21:09 GMT
Ok, I lowered my MergeFactor down to 10 and am re-indexing (takes
several hours).  Will lowering the MergeFactor reduce the total number
of files in the index directory?

-----Original Message-----
From: Doug Cutting [] 
Sent: Tuesday, October 07, 2003 8:20 PM
To: Lucene Users List
Subject: Re: Too Many Open Files

Wilton, Reece wrote:
> The index directory that Lucene created has 2,322 files in it.  When I
> try to open it I get the dreaded "Too Many Open Files" problem:
> C:\Index\_1lvq.f107 (Too many open
> files)
> The index has about 50,000 docs in it.  It was created with a merge
> factor of 5,000.  Is there a way that I can reduce the number of files
> or increase the number of files that windows can open?

5000 is way too large for the merge factor.  Please read the FAQ and 
other messages on this list for guidelines.  I've personally never found

use for a merge factor larger than 50.


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