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List:       lucene-dev
Subject:    [jira] Commented: (LUCENE-2120) Possible file handle leak in near
From:       "John Wang (JIRA)" <jira () apache ! org>
Date:       2009-12-29 2:18:29
Message-ID: 130136481.1262053109436.JavaMail.jira () brutus ! apache ! org
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    [ https://issues.apache.org/jira/browse/LUCENE-2120?page=com.atlassian.jira.plugin \
.system.issuetabpanels:comment-tabpanel&focusedCommentId=12794998#action_12794998 ] 

John Wang commented on LUCENE-2120:
-----------------------------------

Hi Michael:

     You are abs. right! By adding an integer increment in the loop made a \
difference. From my laptop, I see the break even point at 1.5%.

     For what we are using it for in Zoie, the trade-off is worth-while. Because we \
rely on Lucene to do the delete check, and use this iteration for skipping over \
transient deletes, e.g. the ones that have not been made to the index. Normally they \
are << corpus size, e.g. 100 - 1k out of 5M docs. The memory cost for this is also \
very small in comparison due to the sparsity of del docset.

-John 

> Possible file handle leak in near real-time reader
> --------------------------------------------------
> 
> Key: LUCENE-2120
> URL: https://issues.apache.org/jira/browse/LUCENE-2120
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: 3.1
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: 3.1
> 
> 
> Spinoff of LUCENE-1526: Jake/John hit file descriptor exhaustion when testing NRT.
> I've tried to repro this, stress testing NRT, saturating reopens, indexing, \
> searching, but haven't found any issue. Let's try to get to the bottom of it, \
> here...

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