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https://issues.apache.org/jira/browse/SOLR-1395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12906456#action_12906456
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Mathias Walter commented on SOLR-1395:
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{quote}
I also come into this problem, have you deal with it?
{quote}
Yeah, I got it working by using the Katta Distribution Policy instead of the
MultiShard Distributed Search of Solr. That does not solve the RPC problem, but
avoid it completely. Personally, I think it is better to keep Katta choosing
how to distribute the queries to the different Katta nodes instead of letting
Solr to do this.
I'll provide my changes soon.
{quote}
And btw, how you get these beautiful logs?
{quote}
I got the logs by configuring the log4j.properties like follows:
{noformat}
katta.root.logger=TRACE,console
log4j.logger.org.apache.zookeeper=WARN
#log4j.logger.org.apache.hadoop=WARN
log4j.logger.org.I0Itec.zkclient=WARN
log4j.logger.org.mortbay.log=WARN
katta.log.dir=./logs
katta.log.file=katta.log
# Define the root logger to the system property "katta.root.logger".
log4j.rootLogger=${katta.root.logger}
#
# console
# Add "console" to rootlogger above if you want to use this
#
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.target=System.out
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%5p %d{ISO8601} [%t] %c - %m%n
{noformat}
> 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.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.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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