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Posted to dev@lucene.apache.org by "Andreas Laager (JIRA)" <ji...@apache.org> on 2010/11/08 14:37:08 UTC
[jira] Created: (SOLR-2222) Merge duplicates documents with
uniqueKey
Merge duplicates documents with uniqueKey
-----------------------------------------
Key: SOLR-2222
URL: https://issues.apache.org/jira/browse/SOLR-2222
Project: Solr
Issue Type: Bug
Affects Versions: 1.4.1
Reporter: Andreas Laager
When merging one core into an other one could get multiple documents for one uniqueKey. As a result the facet counts are wrong.
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[jira] Commented: (SOLR-2222) Merge duplicates documents with
uniqueKey
Posted by "Koji Sekiguchi (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SOLR-2222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929574#action_12929574 ]
Koji Sekiguchi commented on SOLR-2222:
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I think this is expected behavior because Solr just calls Lucene's IndexWriter.addIndexes() to merge indexes and Lucene doesn't care uniqueKeys.
> Merge duplicates documents with uniqueKey
> -----------------------------------------
>
> Key: SOLR-2222
> URL: https://issues.apache.org/jira/browse/SOLR-2222
> Project: Solr
> Issue Type: Bug
> Affects Versions: 1.4.1
> Reporter: Andreas Laager
>
> When merging one core into an other one could get multiple documents for one uniqueKey. As a result the facet counts are wrong.
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[jira] Commented: (SOLR-2222) Merge duplicates documents with
uniqueKey
Posted by "Andreas Laager (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SOLR-2222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12929577#action_12929577 ]
Andreas Laager commented on SOLR-2222:
--------------------------------------
I've read this that Lucene does not care about the unique key. But where does the uniqueKey configuration in the schema.xml come from? Is that part of SOLR? If yes then also SOLR should also care about it on merging cores.
Our system is using solr with a live core dedicated for inserts that gets merged into a search core from time to time. We expect a better search performance out of this. I expect a negativ performance impact when I have to handle all the duplicated documents after the merge.
> Merge duplicates documents with uniqueKey
> -----------------------------------------
>
> Key: SOLR-2222
> URL: https://issues.apache.org/jira/browse/SOLR-2222
> Project: Solr
> Issue Type: Bug
> Affects Versions: 1.4.1
> Reporter: Andreas Laager
>
> When merging one core into an other one could get multiple documents for one uniqueKey. As a result the facet counts are wrong.
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