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Date: Mon, 15 Feb 2010 17:55:28 +0000 (UTC)
From: "Mark Harwood (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Commented: (LUCENE-1720) TimeLimitedIndexReader and
 associated utility class
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    [ https://issues.apache.org/jira/browse/LUCENE-1720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12833902#action_12833902 ] 

Mark Harwood commented on LUCENE-1720:
--------------------------------------

bq. Mark, the only thing that remains is to convert TimeLimitingIndexReaderBenchmark to a benchmark algorithm/task. Would you mind taking a stab at this?

Will need to look at existing benchmark tasks for guidance. I may get some time later.

> TimeLimitedIndexReader and associated utility class
> ---------------------------------------------------
>
>                 Key: LUCENE-1720
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1720
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Index
>            Reporter: Mark Harwood
>            Assignee: Mark Harwood
>            Priority: Minor
>         Attachments: ActivityTimedOutException.java, ActivityTimeMonitor.java, ActivityTimeMonitor.java, ActivityTimeMonitor.java, LUCENE-1720.patch, Lucene-1720.patch, Lucene-1720.patch, LUCENE-1720.patch, TestTimeLimitedIndexReader.java, TestTimeLimitedIndexReader.java, TimeLimitedIndexReader.java, TimeLimitedIndexReader.java
>
>
> An alternative to TimeLimitedCollector that has the following advantages:
> 1) Any reader activity can be time-limited rather than just single searches e.g. the document retrieve phase.
> 2) Times out faster (i.e. runaway queries such as fuzzies detected quickly before last "collect" stage of query processing)
> Uses new utility timeout class that is independent of IndexReader.
> Initial contribution includes a performance test class but not had time as yet to work up a formal Junit test.
> TimeLimitedIndexReader is coded as JDK1.5 but can easily be undone.

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