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https://issues.apache.org/jira/browse/SOLR-7128?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shalin Shekhar Mangar updated SOLR-7128:
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Attachment: SOLR-7128.patch
Updated patch. I moved my earlier Jira comment about the kind of assertions
being made in this test to the Javadocs of the test method.
All tests pass. ant precommit passes. I'll commit this shortly.
> Two phase distributed search is fetching extra fields in GET_TOP_IDS phase
> --------------------------------------------------------------------------
>
> Key: SOLR-7128
> URL: https://issues.apache.org/jira/browse/SOLR-7128
> Project: Solr
> Issue Type: Bug
> Components: search
> Affects Versions: 4.10.2, 4.10.3
> Reporter: Shalin Shekhar Mangar
> Assignee: Shalin Shekhar Mangar
> Fix For: Trunk, 5.1
>
> Attachments: SOLR-7128.patch, SOLR-7128.patch, SOLR-7128.patch
>
>
> [~pqueixalos] reported this to me privately so I am creating this issue on
> his behalf.
> {quote}
> We found an issue in versions 4.10.+ (4.10.2 and 4.10.3 for sure).
> When processing a two phase distributed query with an explicit fl parameter,
> the two phases are well processed, but the GET_TOP_IDS retrieves the matching
> documents fields, even if a GET_FIELDS shard request is getting executed just
> after.
> /solr/someCollectionCore?collection=someOtherCollection&q=*:*&debug=true&fl=id,title
> => id is retrieved during GET_TOP_IDS phase that's ok:: it's our
> uniqueKeyField
> => title is also retrieved during GET_TOP_IDS phase, that's not ok.
> {quote}
> I'm able to reproduce this. This is pretty bad performance bug that was
> introduced in SOLR-5768 or it's subsequent related issues. I plan to fix this
> bug and add substantial tests to assert such things.
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