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Posted to dev@lucene.apache.org by "Judith Silverman (JIRA)" <ji...@apache.org> on 2016/12/03 22:42:59 UTC
[jira] [Updated] (SOLR-9649) Distributed grouping can return 'too
many' results?
[ https://issues.apache.org/jira/browse/SOLR-9649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Judith Silverman updated SOLR-9649:
-----------------------------------
Attachment: SOLR-9649.patch
Hi, Christine. I think the issue you noticed here is the subject of
SOLR-5878. My diagnosis is that when group.format=simple in a
distributed search, the value of 'rows' is interpreted as the number
of groups to be represented in the result set rather than as the
number of documents to be returned. I've added another failing unit
test to your patch where the result set is smaller so that it's easier
to see what's happening: rows=9 and group.limit=2, and the 9th group
returned contains 2 docs, so a total of 10 docs are returned.
Another issue illustrated by the tests you added is that both 'offset'
and 'group.offset' are ignored, but this appears to be the case
whether or not the search is distributed so long as
group.format=simple, so these tests (which compare the results of
distributed and non-distributed search) don't catch that problem.
> Distributed grouping can return 'too many' results?
> ---------------------------------------------------
>
> Key: SOLR-9649
> URL: https://issues.apache.org/jira/browse/SOLR-9649
> Project: Solr
> Issue Type: Test
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Christine Poerschke
> Assignee: Christine Poerschke
> Priority: Minor
> Attachments: SOLR-9649.patch, SOLR-9649.patch
>
>
> stumbled across this whilst looking at SOLR-6203 and trying to factor {{GroupingSpecification.\[group\](sort|offset|limit)}} into {{GroupingSpecification.\[group\](sortSpec)}}
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