Class: Fluent::GcInput

Inherits:
Input
  • Object
show all
Defined in:
lib/fluent/plugin/in_gc.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#last_checked ⇒ Object

Returns the value of attribute last_checked.



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# File 'lib/fluent/plugin/in_gc.rb', line 13

def last_checked
  @last_checked
end

Instance Method Details

#configure(conf) ⇒ Object 



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# File 'lib/fluent/plugin/in_gc.rb', line 15

def configure(conf)
  super

  @interval = @interval.to_i
end

#shutdown ⇒ Object 



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# File 'lib/fluent/plugin/in_gc.rb', line 27

def shutdown
  super
  @watcher.terminate
  @watcher.join
end

#start ⇒ Object 



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# File 'lib/fluent/plugin/in_gc.rb', line 21

def start
  super
  GC.disable if @disable
  @watcher = Thread.new(&method(:watcher))
end

#start_gc ⇒ Object 



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# File 'lib/fluent/plugin/in_gc.rb', line 50

def start_gc
  log.info "gc: before #{GC.stat}" if @debug # intentionally info level
  disabled = GC.enable
  GC.start
  GC.disable if disabled
  log.info "gc: after  #{GC.stat}" if @debug
end

#watcher ⇒ Object

thread callback



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# File 'lib/fluent/plugin/in_gc.rb', line 34

def watcher
  @last_checked = Fluent::Engine.now
  while true
    sleep 0.5
    begin
      if Fluent::Engine.now - @last_checked >= @interval
        now = Fluent::Engine.now
        start_gc
        @last_checked = now
      end
    rescue => e
      log.warn "#{e.class} #{e.message} #{e.backtrace.first}"
    end
  end
end