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From "Karl Wettin (JIRA)" <>
Subject [jira] Commented: (LUCENE-1265) Identify bottleneck associated with not pooling searchers
Date Sat, 19 Apr 2008 00:06:23 GMT


Karl Wettin commented on LUCENE-1265:

Otis says:

bq. Not sure if this email got answered.  That's most likely due to the synchronized isDeleted
bq. ./org/apache/lucene/index/  public synchronized boolean isDeleted(int
n) {

> Identify bottleneck associated with not pooling searchers
> ---------------------------------------------------------
>                 Key: LUCENE-1265
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Task
>          Components: Search
>            Reporter: Karl Wettin
> There have been multiple reports suggesting synchronization problems due to great search
performace boost while pooling searchers under heavy load.
> I think this should be confirmed. Then identified and fixed,  alternatively add such
a pool to the code base. 
> Use one instance of  IndexSearcher.
> Share a single  IndexSearcher across queries and across threads in your application.

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