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Posted to issues@maven.apache.org by "Igor Fedorenko (JIRA)" <ji...@codehaus.org> on 2012/11/20 04:28:13 UTC
[jira] (MINDEXER-69) Severe keyword serach performance regression
Igor Fedorenko created MINDEXER-69:
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Summary: Severe keyword serach performance regression
Key: MINDEXER-69
URL: https://jira.codehaus.org/browse/MINDEXER-69
Project: Maven Indexer
Issue Type: Bug
Affects Versions: 5.0.0
Reporter: Igor Fedorenko
I have a performance regression test evaluates performance of keyword search from 15 indexes of various sizes. Everything else being equal, I see ~2.3 times performance drop going from maven indexer 4.1.2 to 5.0.0. I'll attach proposed patch with analysis of the problem shortly.
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[jira] (MINDEXER-69) Severe keyword serach performance regression
Posted by "Tamás Cservenák (JIRA)" <ji...@codehaus.org>.
[ https://jira.codehaus.org/browse/MINDEXER-69?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tamás Cservenák closed MINDEXER-69.
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Resolution: Fixed
Applied.
http://svn.apache.org/viewvc?view=revision&revision=1411588
> Severe keyword serach performance regression
> ---------------------------------------------
>
> Key: MINDEXER-69
> URL: https://jira.codehaus.org/browse/MINDEXER-69
> Project: Maven Indexer
> Issue Type: Bug
> Affects Versions: 5.0.0
> Reporter: Igor Fedorenko
> Assignee: Tamás Cservenák
> Fix For: 5.1.0
>
> Attachments: 0001-MINDEXER-69-reuse-rewritten-query-for-all-artifacts.patch
>
>
> I have a performance regression test evaluates performance of keyword search from 15 indexes of various sizes. Everything else being equal, I see ~2.3 times performance drop going from maven indexer 4.1.2 to 5.0.0. I'll attach proposed patch with analysis of the problem shortly.
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[jira] (MINDEXER-69) Severe keyword serach performance regression
Posted by "Igor Fedorenko (JIRA)" <ji...@codehaus.org>.
[ https://jira.codehaus.org/browse/MINDEXER-69?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Igor Fedorenko updated MINDEXER-69:
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Attachment: 0001-MINDEXER-69-reuse-rewritten-query-for-all-artifacts.patch
DefaultIteratorResultSet executed Query#rewrite(IndexReader) for each ArtifactInfo/MatchHighlightRequest. This was always redundant, but in Lucene 3.0.3 (and likely earlier) Query#rewrite was relatively inexpensive and redundant calls did not cause obvious problems.
In Lucene 3.6.1 Query#rewrite performance comparably with earlier version for one indexing context but becomes slower as number of indexing contexts involved in the search grows.
The proposed solution is to invoke Query#rewrite only once for each MatchHighlightRequest and then reuse the same rewritten query for all ArtifactInfo
> Severe keyword serach performance regression
> ---------------------------------------------
>
> Key: MINDEXER-69
> URL: https://jira.codehaus.org/browse/MINDEXER-69
> Project: Maven Indexer
> Issue Type: Bug
> Affects Versions: 5.0.0
> Reporter: Igor Fedorenko
> Attachments: 0001-MINDEXER-69-reuse-rewritten-query-for-all-artifacts.patch
>
>
> I have a performance regression test evaluates performance of keyword search from 15 indexes of various sizes. Everything else being equal, I see ~2.3 times performance drop going from maven indexer 4.1.2 to 5.0.0. I'll attach proposed patch with analysis of the problem shortly.
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[jira] (MINDEXER-69) Severe keyword serach performance regression
Posted by "Tamás Cservenák (JIRA)" <ji...@codehaus.org>.
[ https://jira.codehaus.org/browse/MINDEXER-69?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Tamás Cservenák updated MINDEXER-69:
------------------------------------
Fix Version/s: 5.1.0
Assignee: Tamás Cservenák
> Severe keyword serach performance regression
> ---------------------------------------------
>
> Key: MINDEXER-69
> URL: https://jira.codehaus.org/browse/MINDEXER-69
> Project: Maven Indexer
> Issue Type: Bug
> Affects Versions: 5.0.0
> Reporter: Igor Fedorenko
> Assignee: Tamás Cservenák
> Fix For: 5.1.0
>
> Attachments: 0001-MINDEXER-69-reuse-rewritten-query-for-all-artifacts.patch
>
>
> I have a performance regression test evaluates performance of keyword search from 15 indexes of various sizes. Everything else being equal, I see ~2.3 times performance drop going from maven indexer 4.1.2 to 5.0.0. I'll attach proposed patch with analysis of the problem shortly.
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[jira] (MINDEXER-69) Severe keyword search performance regression
Posted by "Peter Lynch (JIRA)" <ji...@codehaus.org>.
[ https://jira.codehaus.org/browse/MINDEXER-69?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Peter Lynch updated MINDEXER-69:
--------------------------------
Summary: Severe keyword search performance regression (was: Severe keyword serach performance regression )
> Severe keyword search performance regression
> ---------------------------------------------
>
> Key: MINDEXER-69
> URL: https://jira.codehaus.org/browse/MINDEXER-69
> Project: Maven Indexer
> Issue Type: Bug
> Affects Versions: 5.0.0
> Reporter: Igor Fedorenko
> Assignee: Tamás Cservenák
> Fix For: 5.1.0
>
> Attachments: 0001-MINDEXER-69-reuse-rewritten-query-for-all-artifacts.patch
>
>
> I have a performance regression test evaluates performance of keyword search from 15 indexes of various sizes. Everything else being equal, I see ~2.3 times performance drop going from maven indexer 4.1.2 to 5.0.0. I'll attach proposed patch with analysis of the problem shortly.
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