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https://issues.apache.org/jira/browse/LUCENE-1471?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654594#action_12654594
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Jason Rutherglen commented on LUCENE-1471:
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Wouldn't it be good to remove BitVector and replace it with OpenBitSet? OBS is
faster, has the DocIdSetIterator already. It just needs to implement write to
disk compression of the bitset (dgaps?). This would be a big win for almost
*all* searches. We could also create an interface so that any bitset
implementation could be used.
Such as:
{code}
public interface WriteableBitSet {
public void write(IndexOutput output) throws IOException;
}
{code}
> Faster MultiSearcher.search merge docs
> ---------------------------------------
>
> Key: LUCENE-1471
> URL: https://issues.apache.org/jira/browse/LUCENE-1471
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: 2.4
> Reporter: Jason Rutherglen
> Assignee: Michael McCandless
> Priority: Minor
> Attachments: LUCENE-1471.patch, multisearcher.patch
>
> Original Estimate: 8h
> Remaining Estimate: 8h
>
> MultiSearcher.search places sorted search results from individual searchers
> into a PriorityQueue. This can be made to be more optimal by taking
> advantage of the fact that the results returned are already sorted.
> The proposed solution places the sub-searcher results iterator into a custom
> PriorityQueue that produces the sorted ScoreDocs.
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