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44 lines
1.1 KiB
44 lines
1.1 KiB
# See http://www.be9.io/2015/09/21/memory-leak/
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# This enables memory logging in order to check memory consumption (reproducing memory leaks)
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if ENV['MEMORY_REPORTING']
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Thread.new do
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while true
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pid = Process.pid
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rss = `ps -eo pid,rss | grep #{pid} | awk '{print $2}'`.to_i
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Rails.logger.info "MEMORY[#{pid}]: rss: #{rss}, live objects #{GC.stat[:heap_live_slots]}"
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sleep 5
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end
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end
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require 'rack/gc_tracer'
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Rails.configuration.middleware.use Rack::GCTracerMiddleware, view_page_path: '/gc_tracer', filename: 'log/gc.log'
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require 'objspace'
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ObjectSpace.trace_object_allocations_start
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require 'rbtrace'
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require 'memory_profiler'
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end
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module CartoDB
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def self.memory_dump(filename)
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require 'objspace'
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# Dump classes (id -> name)
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cls = ObjectSpace.each_object.inject(Hash.new(0)) do |h, o|
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h[o.class.object_id] = o.class.name rescue 'ERR'
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h
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end
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File.open(filename + '.classes', 'w') do |f|
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JSON.dump(cls, f)
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end
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GC.start
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# Dump objects
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File.open(filename + '.dump', 'w') do |f|
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ObjectSpace.dump_all(output: f)
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end
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end
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end
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