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From "Michael Busch (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-937) Make CachingTokenFilter faster
Date Fri, 22 Jun 2007 02:16:25 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12507093
] 

Michael Busch commented on LUCENE-937:
--------------------------------------

> If you decide to keep things as they are I will have to roll an 
> alternate CachingTokenFilter for my Highlighter (no problem of 
> course <g>).

I'm certainly up to make a change here if it improves performance
significantly (and yes, 43% is significant). I just want to be 
sure that we don't optimize a special case. So yes, it would be 
great if you could vary the parameters in your tests. 

Btw. which JVM version are you using? 

> Make CachingTokenFilter faster
> ------------------------------
>
>                 Key: LUCENE-937
>                 URL: https://issues.apache.org/jira/browse/LUCENE-937
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Mark Miller
>            Priority: Minor
>         Attachments: CachingTokenFilter.patch
>
>
> The wrong data structure was used for the CachingTokenFilter. It should be an ArrayList
rather than a LinkedList. There is a noticeable difference in speed.

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