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https://issues.apache.org/jira/browse/SOLR-3755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629010#comment-13629010
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Mark Miller commented on SOLR-3755:
-----------------------------------
bq. Set update log to buffering mode before it is published (fixes bug with
extra doc count on sub-shard)
Regarding those changes - I'd really like to find another way to do that.
The original change around this made preRegister start taking a core rather
than a core descriptor. I'd like to work that out so it doesn't need to be the
case. That is where the core will find out some of it's properties (shard id,
core node name, perhaps more in the future). It would be nice if the core init
code had access to this information - so it would be nice if we could call
preRegister (or some refactored version) before actually creating the SolrCore.
> 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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