Method: Atatus::Metrics::JVMSet#read!

Defined in:
lib/atatus/metrics/jvm_set.rb

#read! ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/atatus/metrics/jvm_set.rb', line 41

def read!
  return if disabled?

  heap = platform_bean.get_heap_memory_usage
  non_heap = platform_bean.get_non_heap_memory_usage

  gauge(:"jvm.memory.heap.used").value = heap.get_used
  gauge(:"jvm.memory.heap.committed").value = heap.get_committed
  gauge(:"jvm.memory.heap.max").value = heap.get_max

  gauge(:"jvm.memory.non_heap.used").value = non_heap.get_used
  gauge(:"jvm.memory.non_heap.committed").value = non_heap.get_committed
  gauge(:"jvm.memory.non_heap.max").value = non_heap.get_max

  pool_beans.each do |bean|
    next unless bean.type.name == "HEAP"

    tags = { name: bean.get_name }

    gauge(:"jvm.memory.heap.pool.used", tags: tags).value = bean.get_usage.get_used
    gauge(:"jvm.memory.heap.pool.committed", tags: tags).value = bean.get_usage.get_committed
    gauge(:"jvm.memory.heap.pool.max", tags: tags).value = bean.get_usage.get_max
  end
rescue Exception => e
  error("JVM metrics encountered error: %s", e)
  debug("Backtrace:") { e.backtrace.join("\n") }

  @error_count += 1
  if @error_count >= MAX_TRIES
    disable!
    error("Disabling JVM metrics after #{MAX_TRIES} errors", e)
  end
end