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From "tom liu (Commented) (JIRA)" <>
Subject [jira] [Commented] (SOLR-1395) Integrate Katta
Date Fri, 14 Oct 2011 08:10:13 GMT


tom liu commented on SOLR-1395:

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:
    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;
3. then, the reqest url would be changed to URL&shards=book\w*
> Integrate Katta
> ---------------
>                 Key: SOLR-1395
>                 URL:
>             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,,, 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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