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https://issues.apache.org/jira/browse/LUCENE-997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12538142
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Lance Norskog commented on LUCENE-997:
--------------------------------------


I just requested a more fancy feature in the Solr Jira. My apologies, I did not 
think to search the Lucene Jira.


1) timeout: stop searching after N milliseconds and return results using only 
those hits already found
2) hit limit: stop searching after N milliseconds and return results using only 
those hits already found
3) ram limit: estimate the amount of ram used so far and stop searching at a 
given amount

Here is the complete request:


> Add search timeout support to Lucene
> ------------------------------------
>
>                 Key: LUCENE-997
>                 URL: https://issues.apache.org/jira/browse/LUCENE-997
>             Project: Lucene - Java
>          Issue Type: New Feature
>            Reporter: Sean Timm
>            Priority: Minor
>         Attachments: LuceneTimeoutTest.java, timeout.patch, timeout.patch
>
>
> This patch is based on Nutch-308. 
> This patch adds support for a maximum search time limit. After this time is 
> exceeded, the search thread is stopped, partial results (if any) are returned 
> and the total number of results is estimated.
> This patch tries to minimize the overhead related to time-keeping by using a 
> version of safe unsynchronized timer.
> This was also discussed in an e-mail thread.
> http://www.nabble.com/search-timeout-tf3410206.html#a9501029

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