class ElasticAPM::Metrics::JVMSet
@api private
Constants
- MAX_TRIES
Public Class Methods
new(*args)
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Calls superclass method
# File lib/elastic_apm/metrics/jvm_set.rb, line 30 def initialize(*args) super @error_count = 0 end
Public Instance Methods
collect()
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Calls superclass method
# File lib/elastic_apm/metrics/jvm_set.rb, line 36 def collect read! super end
read!()
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# File lib/elastic_apm/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
Private Instance Methods
platform_bean()
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# File lib/elastic_apm/metrics/jvm_set.rb, line 77 def platform_bean @platform_bean ||= java.lang.management.ManagementFactory.getPlatformMXBean( java.lang.management.MemoryMXBean.java_class ) end
pool_beans()
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# File lib/elastic_apm/metrics/jvm_set.rb, line 83 def pool_beans @pool_beans ||= java.lang.management.ManagementFactory.getMemoryPoolMXBeans() end