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https://issues.apache.org/jira/browse/LUCENE-1476?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12668672#action_12668672
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Michael McCandless commented on LUCENE-1476:
--------------------------------------------
Numbers with Marvin's latest patch:
||%tg deletes||query||hits||qps||qpsnew||pctg||
|0%|147| 4984|5560.1|5507.8| -0.9%|
|0%|text| 97191| 347.3| 338.8| -2.4%|
|0%|1 AND 2| 234634| 22.9| 22.8| -0.4%|
|0%|1| 386435| 88.4| 86.9| -1.7%|
|0%|1 OR 2| 535584| 20.9| 20.7| -1.0%|
|1%|147| 4933|5082.0|3292.2|-35.2%|
|1%|text| 96143| 313.9| 260.8|-16.9%|
|1%|1 AND 2| 232250| 22.1| 21.9| -0.9%|
|1%|1| 382498| 81.0| 79.6| -1.7%|
|1%|1 OR 2| 530212| 20.2| 20.3| 0.5%|
|2%|147| 4883|5133.6|3092.0|-39.8%|
|2%|text| 95190| 315.8| 232.8|-26.3%|
|2%|1 AND 2| 229870| 22.2| 21.2| -4.5%|
|2%|1| 378641| 81.2| 76.4| -5.9%|
|2%|1 OR 2| 524873| 20.3| 19.8| -2.5%|
|5%|147| 4729|5073.6|3478.5|-31.4%|
|5%|text| 92293| 315.2| 219.1|-30.5%|
|5%|1 AND 2| 222859| 22.5| 20.5| -8.9%|
|5%|1| 367000| 81.0| 68.5|-15.4%|
|5%|1 OR 2| 508632| 20.4| 18.9| -7.4%|
|10%|147| 4475|5049.6|3547.8|-29.7%|
|10%|text| 87504| 314.8| 222.2|-29.4%|
|10%|1 AND 2| 210982| 22.9| 19.4|-15.3%|
|10%|1| 347664| 81.5| 61.6|-24.4%|
|10%|1 OR 2| 481792| 21.2| 18.4|-13.2%|
|20%|147| 4012|5045.0|3741.8|-25.8%|
|20%|text| 77980| 317.2| 232.9|-26.6%|
|20%|1 AND 2| 187605| 23.9| 20.5|-14.2%|
|20%|1| 309040| 82.0| 59.0|-28.0%|
|20%|1 OR 2| 428232| 22.3| 18.8|-15.7%|
|50%|147| 2463|5283.2|4712.1|-10.8%|
|50%|text| 48331| 336.9| 296.2|-12.1%|
|50%|1 AND 2| 116887| 28.4| 26.6| -6.3%|
|50%|1| 193154| 86.4| 77.3|-10.5%|
|50%|1 OR 2| 267525| 27.6| 25.7| -6.9%|
It's definitely better than before but still slower than trunk.
> BitVector implement DocIdSet, IndexReader returns DocIdSet deleted docs
> -----------------------------------------------------------------------
>
> Key: LUCENE-1476
> URL: https://issues.apache.org/jira/browse/LUCENE-1476
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: 2.4
> Reporter: Jason Rutherglen
> Priority: Trivial
> Attachments: LUCENE-1476.patch, LUCENE-1476.patch, LUCENE-1476.patch,
> LUCENE-1476.patch, LUCENE-1476.patch, quasi_iterator_deletions.diff,
> quasi_iterator_deletions_r2.diff, quasi_iterator_deletions_r3.diff,
> searchdeletes.alg, sortBench2.py, sortCollate2.py, TestDeletesDocIdSet.java
>
> Original Estimate: 12h
> Remaining Estimate: 12h
>
> Update BitVector to implement DocIdSet. Expose deleted docs DocIdSet from
> IndexReader.
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