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Posted to dev@lucene.apache.org by "Shai Erera (JIRA)" <ji...@apache.org> on 2010/02/11 10:32:38 UTC
[jira] Commented: (LUCENE-1720) TimeLimitedIndexReader and
associated utility class
[ https://issues.apache.org/jira/browse/LUCENE-1720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12832427#action_12832427 ]
Shai Erera commented on LUCENE-1720:
------------------------------------
BTW Mark, if we assume the number of threads that will be monitored is relatively low, I agree w/ your comment on using the TreeMap. I think we can remove it from the code (the comment I mean). What do you think?
> 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, 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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