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Posted to dev@lucene.apache.org by "Erik Hatcher (JIRA)" <ji...@apache.org> on 2012/05/16 22:51:08 UTC
[jira] [Commented] (SOLR-1726) Deep Paging and Large Results
Improvements
[ https://issues.apache.org/jira/browse/SOLR-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13277133#comment-13277133 ]
Erik Hatcher commented on SOLR-1726:
------------------------------------
What's the status of this? We still have in trunk CHANGES.txt this:
{code}
* SOLR-1726: Added deep paging support to search (sort by score only) which should use less memory when paging deeply into results
by keeping the priority queue small. (Manojkumar Rangasamy Kannadasan, gsingers)
{code}
but the code has been reverted from trunk as I understand it. Remove the CHANGES entry until this gets straightened out?
> Deep Paging and Large Results Improvements
> ------------------------------------------
>
> Key: SOLR-1726
> URL: https://issues.apache.org/jira/browse/SOLR-1726
> Project: Solr
> Issue Type: Improvement
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Priority: Minor
> Fix For: 4.0
>
> Attachments: CommonParams.java, QParser.java, QueryComponent.java, ResponseBuilder.java, SOLR-1726.patch, SOLR-1726.patch, SolrIndexSearcher.java, TopDocsCollector.java, TopScoreDocCollector.java
>
>
> There are possibly ways to improve collections of "deep paging" by passing Solr/Lucene more information about the last page of results seen, thereby saving priority queue operations. See LUCENE-2215.
> There may also be better options for retrieving large numbers of rows at a time that are worth exploring. LUCENE-2127.
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