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From "Shawn Heisey (JIRA)" <>
Subject [jira] [Commented] (SOLR-4450) Developer Curb Appeal: Need consistent command line arguments for all nodes
Date Tue, 12 Feb 2013 22:05:13 GMT


Shawn Heisey commented on SOLR-4450:

I've been putting some thought into this for myself.  My thought is to add another init script
option besides start/stop/restart ... bootstrap.   This option would internally call restart,
and work like this:

/etc/init.d/solrcloud bootstrap cfgname /path/to/dir

> Developer Curb Appeal: Need consistent command line arguments for all nodes
> ---------------------------------------------------------------------------
>                 Key: SOLR-4450
>                 URL:
>             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
> 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
> 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:
> 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(
> 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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