class SemanticLogger::JRuby::GarbageCollectionLogger
Public Class Methods
new(min_microseconds = 10_000)
click to toggle source
Only log the garbage collection if the number of microseconds exceeds this value
# File lib/semantic_logger/jruby/garbage_collection_logger.rb, line 8 def initialize(min_microseconds = 10_000) @min_microseconds = min_microseconds end
Public Instance Methods
handleNotification(notification, _)
click to toggle source
Must leave the method name as-is so that it can be found by Java
# File lib/semantic_logger/jruby/garbage_collection_logger.rb, line 13 def handleNotification(notification, _) # Only care about GARBAGE_COLLECTION_NOTIFICATION notifications unless notification.get_type == Java::ComSunManagement::GarbageCollectionNotificationInfo::GARBAGE_COLLECTION_NOTIFICATION return end info = Java::ComSunManagement::GarbageCollectionNotificationInfo.from(notification.user_data) gc_info = info.gc_info duration = gc_info.duration return unless duration >= @min_microseconds SemanticLogger["GarbageCollector"].measure_warn( "Garbage Collection completed: #{info.gc_name} ##{gc_info.id}", duration: duration.to_f / 1000 ) end