solr_document_cache

#! /usr/bin/env ruby

require 'open-uri'
require 'rexml/document'

if ARGV.length > 0 && ARGV[0] == 'config'
  puts "graph_category solr"
  puts "graph_title Document Cache"
  puts "graph_vlabel times / ${graph_period}"
  puts "lookups.label lookups"
  puts "lookups.type DERIVE"
  puts "hits.label hits"
  puts "hits.type DERIVE"
  puts "inserts.label inserts"
  puts "inserts.type DERIVE"
  puts "evictions.label evictions"
  puts "evictions.type DERIVE"
  exit(0)
end

solr_stats_url = ENV['solr_stats_url'] || 'http://localhost:8080/solr/admin/stats.jsp'
xpath = '//CACHE/entry[2]/stats'

solr_stats = open(solr_stats_url)
doc = REXML::Document.new(solr_stats)

stats = doc.elements[xpath]

puts "lookups.value #{stats.elements[8].text.slice(/\s*([0-9.]*)\s*/, 1)}"
puts "hits.value #{stats.elements[9].text.slice(/\s*([0-9.]*)\s*/, 1)}"
puts "inserts.value #{stats.elements[11].text.slice(/\s*([0-9.]*)\s*/, 1)}"
puts "evictions.value #{stats.elements[12].text.slice(/\s*([0-9.]*)\s*/, 1)}"