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From "Mark Miller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-3488) Create a Collections API for SolrCloud
Date Thu, 21 Jun 2012 22:29:44 GMT

    [ https://issues.apache.org/jira/browse/SOLR-3488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13398942#comment-13398942
] 

Mark Miller commented on SOLR-3488:
-----------------------------------

bq. so basically, if I understood correctly, is that the overseer has the capability of doing
periodic checks without an explicit action / request from a client which can help on cleaning
states / check for failures / etc.

Yeah - basically, either every n seconds, or when the overseer sees a new node come or go,
it looks at each collection, checks its replication factor, and either adds or removes nodes
to match it given the nodes that are currently up. So with some lag, whatever you set for
the replication will eventually be matched no matter the failures or random state of the cluster
when the collection is created or its replication factor changed.
                
> Create a Collections API for SolrCloud
> --------------------------------------
>
>                 Key: SOLR-3488
>                 URL: https://issues.apache.org/jira/browse/SOLR-3488
>             Project: Solr
>          Issue Type: New Feature
>          Components: SolrCloud
>            Reporter: Mark Miller
>            Assignee: Mark Miller
>         Attachments: SOLR-3488.patch, SOLR-3488.patch, SOLR-3488.patch, SOLR-3488_2.patch
>
>


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