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https://issues.apache.org/jira/browse/SOLR-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13127354#comment-13127354
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tom liu commented on SOLR-1395:
-------------------------------
JohnWu：
i use the solr's regex rule to point which core would be use.
First, in sub-proxy and top-solr, i merge two schema into one schema, eg. merge
book and address schemas into bookaddress, then put bookaddress schema into
top-solr and sub-proxy, so that solr would find every field in them.
Then, on top-solr machine, i install one nginx proxy, it will act on a cache
and proxy.
Last, setup nginx, let's direct to correct cores. for example:
1. in solr parameters, i add one such as: target=book[ or address]
2. in nginx, i setup:
{noformat}
if ($args ~* ^(.*)target%3a(\\w*)(.*)$){
set $shard $2;
rewrite (.*) $1?shards=$shard\\\\w* break;
}
if ($args ~* ^(.*)target:(\\w*)(.*)$){
set $shard $2;
rewrite (.*) $1?shards=$shard\\\\w* break;
}
{noformat}
3. then, the reqest url would be changed to URL&shards=book\w*
> 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: 3.5, 4.0
>
> Attachments: SOLR-1395.patch, SOLR-1395.patch, SOLR-1395.patch,
> 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-katta-0.6.3-4.patch, solr1395.jpg,
> 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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