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

["Shalin Shekhar Mangar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-3755?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Shalin Shekhar Mangar updated SOLR-3755:
----------------------------------------

    Attachment: SOLR-3755.patch

Patch updated to trunk.

Changes:
# Router and range for the current core is used during split
# Change sub-shard replication to check only sub shard range instead of state
# Fixed replica allocation code such that replicas are not created on the same node always
# Splitting a sub-shard works
# Slice state and range kept in CloudDescriptor is used one-time only. DUPF and other places rely on state/range read from ZK.
# Removed multiple debug statements, sleeps and nocommits
                
> 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
>         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-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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