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https://issues.apache.org/jira/browse/SOLR-3755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13626753#comment-13626753
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Shalin Shekhar Mangar commented on SOLR-3755:
---------------------------------------------
Committed three changes:
# Set update log to buffering mode before it is published (fixes bug with extra
doc count on sub-shard)
# Use deleteIndex=true while unloading sub-shard cores (if a sub-shard in
construction state already exists at the start of the splitshard operation)
# Made ChaosMonkeyShardSplitTest consistent with ShardSplitTest -- Use correct
router and replica count, assert sub-shards are active, parent shards are
inactive etc
Anshum suggested over chat that we should think about combining ShardSplitTest
and ChaosMonkeyShardSplit tests into one to avoid code duplication. I'll try to
see if we can do that.
> 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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