Hi Experts,
In our EP in production we are facing issue over jlaunch CPU hike to 100%.Checked in std_server0.out logs
CMS: abort preclean due to time 7012707.761: [CMS-concurrent-abortable-preclean: 4.202/5.048 secs] [Times: user=0.01 sys=2.72, real=5.05 secs]
7012707.764: [GC[YG occupancy: 104730 K (512000 K)]7012707.764: [Rescan (parallel) , 0.1663370 secs]7012707.931: [weak refs processing, 0.0026790 secs]7012707.934: [class unloading, 0.0883830 secs]7012708.022: [scrub symbol table, 0.2075910 secs]7012708.230: [scrub string table, 0.0240650 secs] [1 CMS-remark: 810586K(3579904K)] 915317K(4091904K), 0.6299930 secs] [Times: user=0.00 sys=0.67, real=0.63 secs]
7012708.395: [CMS-concurrent-sweep-start]
7012708.969: [CMS-concurrent-sweep: 0.575/0.575 secs] [Times: user=0.00 sys=0.38, real=0.58 secs]
7012708.969: [CMS-concurrent-reset-start]
7012708.978: [CMS-concurrent-reset: 0.009/0.009 secs] [Times: user=0.00 sys=0.00, real=0.01 secs]
7012710.982: [GC [1 CMS-initial-mark: 810562K(3579904K)] 920721K(4091904K), 0.1462760 secs] [Times: user=0.01 sys=0.10, real=0.15 secs]
7012711.129: [CMS-concurrent-mark-start]
7012713.500: [CMS-concurrent-mark: 2.280/2.372 secs] [Times: user=0.00 sys=1.57, real=2.37 secs]
7012713.500: [CMS-concurrent-preclean-start]
7012713.535: [CMS-concurrent-preclean: 0.032/0.034 secs] [Times: user=0.00 sys=0.02, real=0.03 secs]
7012713.535: [CMS-concurrent-abortable-preclean-start]
CMS: abort preclean due to time 7012718.560: [CMS-concurrent-abortable-preclean: 4.169/5.025 secs] [Times: user=0.03 sys=2.94, real=5.03 secs]
7012718.563: [GC[YG occupancy: 157247 K (512000 K)]7012718.563: [Rescan (parallel) , 0.2459950 secs]7012718.809: [weak refs processing, 0.0026650 secs]7012718.812: [class unloading, 0.0872340 secs]7012718.899: [scrub symbol table, 0.2090970 secs]7012719.109: [scrub string table, 0.0321610 secs] [1 CMS-remark: 810562K(3579904K)] 967810K(4091904K), 0.6487990 secs] [Times: user=0.00 sys=1.05, real=0.65 secs]
7012719.213: [CMS-concurrent-sweep-start]
7012719.781: [CMS-concurrent-sweep: 0.568/0.568 secs] [Times: user=0.00 sys=0.36, real=0.57 secs]
7012719.781: [CMS-concurrent-reset-start]
7012719.790: [CMS-concurrent-reset: 0.009/0.009 secs] [Times: user=0.00 sys=0.00, real=0.01 secs]
7012720.387: [GC7012720.388: [GC 7012720.388: [ParNew: 159246K->22714K(512000K), 0.1071590 secs] 969577K->833233K(4091904K), 0.1073830 secs] [Times: user=0.00 sys=0.20, real=0.10 secs]
[1 CMS-initial-mark: 810519K(3579904K)] 833233K(4091904K), 0.1441640 secs] [Times: user=0.00 sys=0.22, real=0.14 secs]
7012720.533: [CMS-concurrent-mark-start]
7012722.640: [CMS-concurrent-mark: 2.105/2.107 secs] [Times: user=0.01 sys=1.41, real=2.11 secs]
7012722.640: [CMS-concurrent-preclean-start]
7012722.658: [CMS-concurrent-preclean: 0.017/0.017 secs] [Times: user=0.00 sys=0.02, real=0.02 secs]
7012722.661: [GC[YG occupancy: 23971 K (512000 K)]7012722.661: [Rescan (parallel) , 0.0490470 secs]7012722.710: [weak refs processing, 0.0035640 secs]7012722.714: [class unloading, 0.2126110 secs]7012722.926: [scrub symbol table, 0.2074830 secs]7012723.134: [scrub string table, 0.0261150 secs] [1 CMS-remark: 810519K(3579904K)] 834491K(4091904K), 0.5705480 secs] [Times: user=0.00 sys=0.43, real=0.57 secs]
7012723.232: [CMS-concurrent-sweep-start]
7012723.803: [CMS-concurrent-sweep: 0.569/0.572 secs] [Times: user=0.00 sys=0.36, real=0.57 secs]
7012723.804: [CMS-concurrent-reset-start]
7012723.812: [CMS-concurrent-reset: 0.009/0.009 secs] [Times: user=0.00 sys=0.01, real=0.01 secs]
7012725.820: [GC [1 CMS-initial-mark: 810258K(3579904K)] 834811K(4091904K), 0.0381000 secs] [Times: user=0.00 sys=0.03, real=0.04 secs]
7012725.859: [CMS-concurrent-mark-start]
7012727.991: [CMS-concurrent-mark: 2.130/2.132 secs] [Times: user=0.00 sys=1.35, real=2.13 secs]
7012727.991: [CMS-concurrent-preclean-start]
7012728.010: [CMS-concurrent-preclean: 0.018/0.018 secs] [Times: user=0.00 sys=0.00, real=0.02 secs]
7012728.010: [CMS-concurrent-abortable-preclean-start]
CMS: abort preclean due to time 7012733.052: [CMS-concurrent-abortable-preclean: 3.902/5.042 secs] [Times: user=0.01 sys=3.13, real=5.04 secs]
7012733.055: [GC[YG occupancy: 27474 K (512000 K)]7012733.055: [Rescan (parallel) , 0.0454440 secs]7012733.101: [weak refs processing, 0.0041440 secs]7012733.105: [class unloading, 0.1252260 secs]7012733.231: [scrub symbol table, 0.2887310 secs]7012733.519: [scrub string table, 0.0470670 secs] [1 CMS-remark: 810258K(3579904K)] 837732K(4091904K), 0.5852290 secs] [Times: user=0.00 sys=0.20, real=0.59 secs]
7012733.641: [CMS-concurrent-sweep-start]
7012734.224: [CMS-concurrent-sweep: 0.584/0.584 secs] [Times: user=0.00 sys=0.38, real=0.58 secs]
7012734.224: [CMS-concurrent-reset-start]
7012734.233: [CMS-concurrent-reset: 0.009/0.009 secs] [Times: user=0.00 sys=0.01, real=0.01 secs]
7012735.396: [GC [1 CMS-initial-mark: 810057K(3579904K)] 839316K(4091904K), 0.0450180 secs] [Times: user=0.00 sys=0.02, real=0.05 secs]
7012735.443: [CMS-concurrent-mark-start]
7012737.564: [CMS-concurrent-mark: 2.121/2.121 secs] [Times: user=0.00 sys=1.36, real=2.12 secs]
7012737.564: [CMS-concurrent-preclean-start]
Can this be the reason for performance issue.
Suggest on it.
Thanks in advance