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https://issues.apache.org/jira/browse/SOLR-1277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12785607#action_12785607
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Mark Miller commented on SOLR-1277:
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bq. I'd be happier if we went down the path of a solr/cores/xxx structure
instead, and using solr.xml as an over ride like servlet container's use
webapps and context.xml files
Thats an appealing idea. You could use defaults, and just get the corename from
the discovered instance dir. If you want to change the defaults, you can add
the solr.xml. This would also work good in the ZooKeeper case, as cores could
be discovered by default in the same manner. Removes the need for solr.xml in
multicore and still allows for the singlecore/multicore merge in the manner
explored above.
I don't think the back compat part of it would be very difficult at all either.
> Implement a Solr specific naming service (using Zookeeper)
> ----------------------------------------------------------
>
> Key: SOLR-1277
> URL: https://issues.apache.org/jira/browse/SOLR-1277
> Project: Solr
> Issue Type: New Feature
> Affects Versions: 1.4
> Reporter: Jason Rutherglen
> Assignee: Grant Ingersoll
> Priority: Minor
> Fix For: 1.5
>
> Attachments: log4j-1.2.15.jar, SOLR-1277.patch, SOLR-1277.patch,
> SOLR-1277.patch, zookeeper-3.2.1.jar
>
> Original Estimate: 672h
> Remaining Estimate: 672h
>
> The goal is to give Solr server clusters self-healing attributes
> where if a server fails, indexing and searching don't stop and
> all of the partitions remain searchable. For configuration, the
> ability to centrally deploy a new configuration without servers
> going offline.
> We can start with basic failover and start from there?
> Features:
> * Automatic failover (i.e. when a server fails, clients stop
> trying to index to or search it)
> * Centralized configuration management (i.e. new solrconfig.xml
> or schema.xml propagates to a live Solr cluster)
> * Optionally allow shards of a partition to be moved to another
> server (i.e. if a server gets hot, move the hot segments out to
> cooler servers). Ideally we'd have a way to detect hot segments
> and move them seamlessly. With NRT this becomes somewhat more
> difficult but not impossible?
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