diff --git a/src/share/vm/services/memTracker.cpp b/src/share/vm/services/memTracker.cpp index e0a1b29a8e9cecc3403dab9adefe6698e67bcc40..f8ff72be84d06d89619de1430ef6bcda4a894ac4 100644 --- a/src/share/vm/services/memTracker.cpp +++ b/src/share/vm/services/memTracker.cpp @@ -385,6 +385,7 @@ void MemTracker::enqueue_pending_recorder(MemRecorder* rec) { #define SAFE_SEQUENCE_THRESHOLD 30 #define HIGH_GENERATION_THRESHOLD 60 #define MAX_RECORDER_THREAD_RATIO 30 +#define MAX_RECORDER_PER_THREAD 100 void MemTracker::sync() { assert(_tracking_level > NMT_off, "NMT is not enabled"); @@ -437,6 +438,11 @@ void MemTracker::sync() { // means that worker thread is lagging behind in processing them. if (!AutoShutdownNMT) { _slowdown_calling_thread = (MemRecorder::_instance_count > MAX_RECORDER_THREAD_RATIO * _thread_count); + } else { + // If auto shutdown is on, enforce MAX_RECORDER_PER_THREAD threshold to prevent OOM + if (MemRecorder::_instance_count >= _thread_count * MAX_RECORDER_PER_THREAD) { + shutdown(NMT_out_of_memory); + } } // check _worker_thread with lock to avoid racing condition