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skinandbones/passenger_reaper

Created September 15, 2009 21:51
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passenger_reaper
#! /usr/bin/env ruby
MEMORY_LIMIT = 300
# Parse output like this
# --------- Passenger processes ----------
# PID Threads VMSize Private Name
# ----------------------------------------
# 1942 27 24.0 MB 1.1 MB PassengerNginxHelperServer /opt/ruby-enterprise/lib/ruby/gems/1.8/gems/passenger-2.2.5 /opt/ruby-enterprise/bin/ruby 3 4 0 6 0 0 1 nobody 33 33 /tmp/passenger.1939
# 1957 1 71.0 MB 10.5 MB Passenger spawn server
# 1992 1 291.5 MB 47.1 MB Passenger ApplicationSpawner: /data/otc_staging/current
# 1997 1 369.7 MB 120.1 MB Rails: /data/otc_staging/current
status = `/opt/ruby-enterprise/bin/passenger-memory-stats`
status.split("\n").each do |line|
if match = line.match(/(\d+)\s+\d+\s+\d+\.\d\s+MB\s+(\d+)\.\d\s+MB\s+Rails:/)
Process.kill("ABRT", match[1].to_i) if match[2].to_i > MEMORY_LIMIT
end
end
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