diaspora/spec/support/deferred_garbage_collection.rb
2012-04-05 22:21:30 +02:00

27 lines
713 B
Ruby

# https://makandracards.com/makandra/950-speed-up-rspec-by-deferring-garbage-collection
class DeferredGarbageCollection
DEFERRED_GC_THRESHOLD = (ENV['DEFER_GC'] || 10.0).to_f #used to be 10.0
@@last_gc_run = Time.now
def self.start
GC.disable if DEFERRED_GC_THRESHOLD > 0
end
def self.reconsider
mem = %x(free).split(" ")
percent_used = mem[8].to_i / (mem[7].to_i/100)
puts "percent memory used #{percent_used}" # just for info, as soon as we got some numbers remove it
if( (DEFERRED_GC_THRESHOLD > 0 && Time.now - @@last_gc_run >= DEFERRED_GC_THRESHOLD) || percent_used > 90 )
GC.enable
GC.start
GC.disable
@@last_gc_run = Time.now
end
end
end