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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (SOLR-6379) new replicas seem to be involved in queries before they are ready
Date Mon, 18 Aug 2014 19:17:18 GMT

    [ https://issues.apache.org/jira/browse/SOLR-6379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14101113#comment-14101113
] 

Mark Miller edited comment on SOLR-6379 at 8/18/14 7:15 PM:
------------------------------------------------------------

This looks like it's simply one of those corner case bugs that manifests when you have a collection
that has core names that match another collection name. I'm glad we actually kind of randomly
ended up with our tests this way because it catches great stuff.

*control_collection*
    collection1
*collection1*
    collection_shard1_replica1
    etc

There must be some code that is keying on core name and not taking into account the collection
level like it should.


was (Author: markrmiller@gmail.com):
This looks like it's simply one of those corner case bugs that manifests when you have a collection
that has core names that match another collection name. I'm glad we actually kind of randomly
ended up with our tests this way because it catches great stuff.

control_collection
    collection1
collection1
    collection_shard1_replica1
    etc

There must be some code that is keying on core name and not taking into account the collection
level like it should.

> new replicas seem to be involved in queries before they are ready
> -----------------------------------------------------------------
>
>                 Key: SOLR-6379
>                 URL: https://issues.apache.org/jira/browse/SOLR-6379
>             Project: Solr
>          Issue Type: Bug
>            Reporter: Hoss Man
>            Assignee: Anshum Gupta
>         Attachments: SOLR-6379.patch
>
>
> spin off of SOLR-2894 where sarowe & miller were getting failures from TestCloudPivot
that seemed unrelated to any of hte distrib pivot logic itself.
> in particular: adding a call to "waitForThingsToLevelOut" at the start of the test, even
before indexing any docs, seemed to work around the problem -- but even if all replicas aren't
yet up when the test starts, we should either get a failure when adding docs (ie: no replica
hosting the target shard) or queries should only be routed to the replicas that are up and
fully caught up with the rest of the collection.
> (NOTE: we're specifically talking about a situation where the set of docs in the collection
is static during the query request)



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