Mark Bennett created SOLR-4450:
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Summary: Developer Curb Appeal: Need consistent command line
arguments for all nodes
Key: SOLR-4450
URL: https://issues.apache.org/jira/browse/SOLR-4450
Project: Solr
Issue Type: Bug
Components: SolrCloud
Affects Versions: 4.1
Reporter: Mark Bennett
Fix For: 4.2
Suppose you want to create a small 4 node cluster (2x2, two shards, each
replicated), each on it's own machine.
It'd be nice to use the same script in /etc/init.d to start them all, but it's
hard to come up with a set of arguments that works for both the first and
subsequent nodes.
When MANUALLY starting them, the arguments for the first node are different
than for subsequent nodes:
Node A like this:
-DzkRun -DnumShards=2 -Dbootstrap_confdir=./solr/collection1/conf
-Dcollection.configName=MyConfig -jar start.jar
Vs. the other 3 nodes, B, C, D:
-DzkHost=nodeA:9983 -jar start.jar
But if you combine them, you either still have to rely on Node A being up
first, and have all nodes reference it:
-DzkRun -DzkHost=nodeA:9983 -DnumShards=2
-Dbootstrap_confdir=./solr/collection1/conf -Dcollection.configName=MyConfig
OR you can try to specify the address of all 4 machines, in all 4 startup
scripts, which seems logical but doesn't work:
-DzkRun -DzkHost=nodeA:9983,nodeB:9983,nodeC:9983,nodeD:9983 -DnumShards=2
-Dbootstrap_confdir=./solr/collection1/conf -Dcollection.configName=MyConfig
This gives an error:
org.apache.solr.common.SolrException log
SEVERE: null:java.lang.IllegalArgumentException: port out of range:-1
This thread suggests a possible change in syntax, but doesn't seem to work (at
least with the embedded ZooKeeper)
Thread:
http://lucene.472066.n3.nabble.com/solr4-0-problem-zkHost-with-multiple-hosts-throws-out-of-range-exception-td4014440.html
Syntax:
-DzkRun -DzkHost=nodeA:9983,nodeB:9983,nodeC:9983,nodeD:9983/solrroot
-DnumShards=2 -Dbootstrap_confdir=./solr/collection1/conf
-Dcollection.configName=MyConfig
Error:
SEVERE: Could not start Solr. Check solr/home property and the logs
Feb 12, 2013 1:36:49 PM org.apache.solr.common.SolrException log
SEVERE: null:java.lang.NumberFormatException: For input string: "9983/solrroot"
at
java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
So:
* There needs to be some syntax that all nodes can run, even if it requires
listing addresses (or multicast!)
* And then clear documentation about suggesting external ZooKeeper to be used
for production (list being maintained in SOLR-4444)
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