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https://issues.apache.org/jira/browse/SOLR-1277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12741629#action_12741629
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Stefan Groschupf commented on SOLR-1277:
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Hi Grant,
Just for the archive... I think slor and katta have two different use cases
they originally coming from.
I understand Solr is an enterprise search server, kind of document server with
high level http based API (no lucene api interaction) adding now support for
distributed environments. Katta was ground up designed as distributed sharding
services with focus on scalability for index size and query load. We try to
expose as much lucene API as possible.
Katta for example has rack and data center awareness, master failover etc does
Solr has this too?
> 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, zookeeper-3.2.0.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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