Munin plugin for Solr 4+ multicore

Installation

cd /usr/share/munin/plugins/
sudo wget https://raw.github.com/hiroki23/munin-solr4-multicore/master/solr4_multicore_
sudo chmod 755 solr4_multicore_

Change the shebang line (#!/usr/local/bin/ruby) .

sudo vi solr4_multicore_

(You can check ruby path by which ruby command.)

Create a symbolic link like this:

sudo ln -s /usr/share/munin/plugins/solr4_multicore_ /etc/munin/plugins/solr4_multicore_999thPcRequestTime

Restart munin-node.

sudo /etc/init.d/munin-node restart

QUERYHANDLER

You can get

• avgRequestsPerSecond
• 5minRateReqsPerSecond
• 15minRateReqsPerSecond
• avgTimePerRequest
• medianRequestTime
• 75thPcRequestTime
• 95thPcRequestTime
• 99thPcRequestTime
• 999thPcRequestTime
• errors
• timeouts

etc, by creating symbolic links just like example above.

See QUERYHANDLER section at admin/mbeans URL like:

http://localhost:8983/solr/[Core name]/admin/mbeans?stats=true

CACHE

You can also get cache hit ratio about

• queryResultCache
• documentCache
• fieldValueCache
• filterCache

See CACHE section at admin/mbeans URL like:

http://localhost:8983/solr/[Core name]/admin/mbeans?stats=true