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From "Per Steffensen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4114) Collection API: Allow multiple shards from one collection on the same Solr server
Date Wed, 05 Dec 2012 16:05:20 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13510549#comment-13510549
] 

Per Steffensen commented on SOLR-4114:
--------------------------------------

bq. Add the unit tests for "good" checks during normal test runs

Ok. I like a good discussion, that that will be your prize for participating so eagerly :-)
Will try to find time to do it soon.

bq. Also add the slower test but mark it @Nightly. So it runs at night in jenkins tests runs.

So we agree to commit the test with a 10-20 sec wait?

Yeah I would rather not add the @Nightly, since I do not really know your test-target setup
(nightly, pre-commit, etc). I certainly agree that such a slow test needs to be run at night,
but actually I guessed that the @Slow annotation was for that. The test is already marked
as @Slow. I certainly can add the @Nightly annotation if people agree that it should be added
to BasicDistributedZkTest?
                
> Collection API: Allow multiple shards from one collection on the same Solr server
> ---------------------------------------------------------------------------------
>
>                 Key: SOLR-4114
>                 URL: https://issues.apache.org/jira/browse/SOLR-4114
>             Project: Solr
>          Issue Type: New Feature
>          Components: multicore, SolrCloud
>    Affects Versions: 4.0
>         Environment: Solr 4.0.0 release
>            Reporter: Per Steffensen
>            Assignee: Per Steffensen
>              Labels: collection-api, multicore, shard, shard-allocation
>         Attachments: SOLR-4114.patch, SOLR-4114.patch, SOLR-4114.patch, SOLR-4114.patch,
SOLR-4114_trunk.patch
>
>
> We should support running multiple shards from one collection on the same Solr server
- the run a collection with 8 shards on a 4 Solr server cluster (each Solr server running
2 shards).
> Performance tests at our side has shown that this is a good idea, and it is also a good
idea for easy elasticity later on - it is much easier to move an entire existing shards from
one Solr server to another one that just joined the cluter than it is to split an exsiting
shard among the Solr that used to run it and the new Solr.
> See dev mailing list discussion "Multiple shards for one collection on the same Solr
server"

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