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https://issues.apache.org/jira/browse/SOLR-6053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shawn Heisey closed SOLR-6053.
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Resolution: Not a Problem
Fix Version/s: (was: 4.7)
Trying to read between the lines (because as Ahmet has noted, you haven't
really given us anything to go on)...
If you have a sharded index and the numFound changes when you run the same
query more than once, then it is likely that you have documents with the same
uniqueKey field value in more than one shard. Solr assumes that every document
across all shards has a unique value in the uniqueKey field. If this is not
the case, then Solr cannot guarantee correct results.
Solr is smart enough to eliminate duplicates from any results that are
returned, but in order for that to happen across the whole index, every
document must be considered -- which is why it works properly when rows is
larger than numFound.
This should have been brought up on the solr-user mailing list, not as an issue
in Jira.
http://lucene.apache.org/solr/discussion.html
Closing as Not a Problem. If further investigation via regular support avenues
(like the mailing list or the IRC channel) reveals that there is a bug, we can
reopen.
> 搜索文档总数不一致
> ---------
>
> Key: SOLR-6053
> URL: https://issues.apache.org/jira/browse/SOLR-6053
> Project: Solr
> Issue Type: Bug
> Components: clients - java
> Affects Versions: 4.7
> Environment: Centos
> Reporter: wanggang
> Priority: Critical
> Original Estimate: 0.05h
> Remaining Estimate: 0.05h
>
> http://192.168.3.21:8901/sentiment/search?q=%E6%B2%A5%E9%9D%92%E7%BD%90%E8%B5%B7%E7%81%AB&hlfl=title,content&hlsimple=red&start=0&rows=10
> start 切换不同的数值就能看到效果了
> As my in deep test find out, if the rows=0, the results size is consistently
> the total sum of the documents on all shards regardless there is any
> duplicates; if the rows is a number larger than the supposedly returned the
> merge document number, the result numFound is accurate and consistent,
> however, if the rows is with a number smaller than the supposedly merge
> results size, it will be non-deterministic.
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