using parallel threads in the new generation. using thread-local object allocation. Concurrent Mark-Sweep GC Heap Configuration: MinHeapFreeRatio = 40 MaxHeapFreeRatio = 70 MaxHeapSize = 2147483648 (2048.0MB) NewSize = 805306368 (768.0MB) MaxNewSize = 805306368 (768.0MB) OldSize = 5439488 (5.1875MB) NewRatio = 2 SurvivorRatio = 8 PermSize = 134217728 (128.0MB) MaxPermSize = 268435456 (256.0MB) G1HeapRegionSize = 0 (0.0MB) Heap Usage: New Generation (Eden + 1 Survivor Space): capacity = 724828160 (691.25MB) used = 502566792 (479.28504180908203MB) free = 222261368 (211.96495819091797MB) 69.33599158178401% used Eden Space: capacity = 644349952 (614.5MB) used = 487051336 (464.4883499145508MB) free = 157298616 (150.01165008544922MB) 75.58801463214822% used From Space: capacity = 80478208 (76.75MB) used = 15515456 (14.79669189453125MB) free = 64962752 (61.95330810546875MB) 19.2790773870114% used To Space: capacity = 80478208 (76.75MB) used = 0 (0.0MB) free = 80478208 (76.75MB) 0.0% used concurrent mark-sweep generation: capacity = 1342177280 (1280.0MB) used = 925890584 (882.9980697631836MB) free = 416286696 (397.0019302368164MB) 68.98422420024872% used Perm Generation: capacity = 134217728 (128.0MB) used = 49421800 (47.132301330566406MB) free = 84795928 (80.8676986694336MB) 36.822110414505005% used 16879 interned Strings occupying 1647456 bytes.