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https://issues.apache.org/jira/browse/SOLR-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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tom liu updated SOLR-1395:
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Attachment: katta-solrcores.jpg
pls see the katta-solrcores picture.
proxy and subproxy are different process, and sometimes are in different nodes.
the process with query is :
# proxy that is solrapp on tomcat, receive query that you send from IE or
Firefox
# then proxy dispatch query to subproxy
# subproxy is katta nodes that holds DeployableSolrKattaServer
# so, with spliting shards, subproxy redispatch query to shard
# every shard is a EmbeddedSolrServer, that holds one solrcore
solrhome in proxy, be set from web.xml or java -DsolrHome=......
but in subproxy, must be set in katta script
in EmbeddedSolrServer, solrhome set automaticly.
> Integrate Katta
> ---------------
>
> Key: SOLR-1395
> URL: https://issues.apache.org/jira/browse/SOLR-1395
> Project: Solr
> Issue Type: New Feature
> Affects Versions: 1.4
> Reporter: Jason Rutherglen
> Priority: Minor
> Fix For: Next
>
> Attachments: back-end.log, front-end.log, hadoop-core-0.19.0.jar,
> katta-core-0.6-dev.jar, katta-solrcores.jpg, katta.node.properties,
> katta.zk.properties, log4j-1.2.13.jar, solr-1395-1431-3.patch,
> solr-1395-1431-4.patch, solr-1395-1431-katta0.6.patch,
> solr-1395-1431-katta0.6.patch, solr-1395-1431.patch,
> solr-1395-katta-0.6.2-1.patch, solr-1395-katta-0.6.2-2.patch,
> solr-1395-katta-0.6.2-3.patch, solr-1395-katta-0.6.2.patch, SOLR-1395.patch,
> SOLR-1395.patch, SOLR-1395.patch, test-katta-core-0.6-dev.jar,
> zkclient-0.1-dev.jar, zookeeper-3.2.1.jar
>
> Original Estimate: 336h
> Remaining Estimate: 336h
>
> We'll integrate Katta into Solr so that:
> * Distributed search uses Hadoop RPC
> * Shard/SolrCore distribution and management
> * Zookeeper based failover
> * Indexes may be built using Hadoop
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