[jira] [Commented] (SOLR-3755) shard splitting

["Mark Miller (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-3755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13651172#comment-13651172 ] 

Mark Miller commented on SOLR-3755:
-----------------------------------

bq.  I'll revert the change to the preRegister method signature and find another way.

I'm trying to look at this now. I'm not sure how to go about solving in an 'easy' way. Currently, you have to start buffering those updates *before* publishing, but I want it to so that you publish as DOWN *before* creating the SolrCore - but you need the SolrCore to start buffering.

I don't see the 'easy' fix unfortunately.
                
> shard splitting
> ---------------
>
>                 Key: SOLR-3755
>                 URL: https://issues.apache.org/jira/browse/SOLR-3755
>             Project: Solr
>          Issue Type: New Feature
>          Components: SolrCloud
>            Reporter: Yonik Seeley
>            Assignee: Shalin Shekhar Mangar
>             Fix For: 4.3, 5.0
>
>         Attachments: SOLR-3755-combined.patch, SOLR-3755-combinedWithReplication.patch, SOLR-3755-CoreAdmin.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755.patch, SOLR-3755-testSplitter.patch, SOLR-3755-testSplitter.patch
>
>
> We can currently easily add replicas to handle increases in query volume, but we should also add a way to add additional shards dynamically by splitting existing shards.

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