---> uname -a: Linux 639d6c3a7e53 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.438 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 13.8G 36.2G 28% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 13.8G 36.2G 28% /etc/resolv.conf /dev/vda1 50.0G 13.8G 36.2G 28% /etc/hostname /dev/vda1 50.0G 13.8G 36.2G 28% /etc/hosts /dev/vda1 50.0G 13.8G 36.2G 28% /var/log/sa /dev/vda1 50.0G 13.8G 36.2G 28% /w/workspace/edgex-go/9 /dev/vda1 50.0G 13.8G 36.2G 28% /w/workspace/edgex-go/9@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 592 115 0 1129 1158 Swap: 1023 110 913 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 118: eth0@if119: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/30/20 _x86_64_ (4 CPU) 04:29:26 LINUX RESTART 04:30:01 tps rtps wtps bread/s bwrtn/s 04:31:02 84.84 28.57 56.27 6433.55 15210.08 04:32:01 428.39 263.91 164.47 10791.14 73893.91 04:33:01 372.13 189.88 182.25 8519.13 32404.03 04:34:03 229.67 115.63 114.03 10408.41 44739.68 04:35:03 2095.93 1742.75 353.18 177081.03 227062.44 04:36:01 1444.40 1195.96 248.44 70201.65 87488.14 04:37:02 1651.25 1294.41 356.84 108747.43 136974.79 04:38:02 2031.33 1696.34 334.99 125463.93 128302.57 04:39:01 1075.42 784.14 291.28 59726.26 79736.18 04:40:01 79.23 31.57 47.65 3671.64 3456.13 04:41:01 0.82 0.18 0.63 5.86 6.93 04:42:01 0.68 0.02 0.67 0.27 7.13 04:43:01 0.73 0.00 0.73 0.00 8.86 04:44:01 0.40 0.00 0.40 0.00 4.63 04:45:01 2.18 1.80 0.38 60.61 5.83 04:46:01 0.83 0.08 0.75 2.13 14.07 04:47:02 0.32 0.00 0.32 0.00 3.48 04:48:01 0.22 0.00 0.22 0.00 2.22 04:49:01 0.27 0.03 0.23 1.60 1.80 04:50:01 0.32 0.00 0.32 0.00 3.31 04:51:01 134.83 55.37 79.46 6087.16 19830.76 Average: 457.78 351.51 106.27 27941.36 40421.28 04:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:31:02 89896 1791660 95.22 2620 1009636 1448820 49.45 639836 991416 5156 04:32:01 174948 1706608 90.70 1492 1039192 1298644 44.32 626756 878992 12 04:33:01 614356 1267200 67.35 368 595832 1297956 44.30 470664 563808 24984 04:34:03 80016 1801540 95.75 228 1120452 1236760 42.21 573908 1005304 169292 04:35:03 52808 1828748 97.19 0 1034124 2310824 78.86 829992 819460 60584 04:36:01 432056 1449500 77.04 0 791492 1390504 47.46 567656 669380 48 04:37:02 75876 1805680 95.97 0 1119824 1790088 61.09 632488 985336 17200 04:38:02 149932 1731624 92.03 0 1084600 1823236 62.22 665412 871876 4112 04:39:01 366288 1515268 80.53 0 915628 1671656 57.05 401960 909432 18232 04:40:01 633428 1248128 66.33 0 721248 1178084 40.21 321788 730612 8 04:41:01 634356 1247200 66.29 0 721240 1167792 39.85 321304 730372 0 04:42:01 635980 1245576 66.20 0 721268 1156484 39.47 320312 730244 8 04:43:01 636028 1245528 66.20 0 721280 1156484 39.47 320320 730244 8 04:44:01 636428 1245128 66.18 0 721284 1156484 39.47 320324 730244 8 04:45:01 634148 1247408 66.30 0 722428 1156484 39.47 321136 730616 16 04:46:01 633532 1248024 66.33 0 722440 1156604 39.47 321636 730648 8 04:47:02 634328 1247228 66.29 0 722448 1156480 39.47 321128 730648 8 04:48:01 634220 1247336 66.29 0 722452 1156484 39.47 321132 730648 8 04:49:01 634056 1247500 66.30 0 722452 1156484 39.47 321260 730684 8 04:50:01 634180 1247376 66.29 0 722472 1156484 39.47 321156 730696 8 04:51:01 169524 1712032 90.99 0 1152368 1268720 43.30 394060 1091976 36 Average: 437447 1444109 76.75 224 847817 1347217 45.98 444487 801078 14274 04:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:31:02 vethdd4f42c 1095.37 791.20 95.85 2660.07 0.00 0.00 0.00 04:31:02 eth0 1781.19 1698.47 6351.44 210.49 0.00 0.00 0.00 04:31:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:31:02 docker0 1095.37 791.06 80.88 2660.06 0.00 0.00 0.00 04:32:01 eth0 1254.64 733.28 7144.83 2805.38 0.00 0.00 0.00 04:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:32:01 docker0 43.17 57.23 2.34 365.46 0.00 0.00 0.00 04:33:01 eth0 102.95 68.64 402.35 20.13 0.00 0.00 0.00 04:33:01 veth903e2b7 0.00 0.13 0.00 0.01 0.00 0.00 0.00 04:33:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:33:01 docker0 1186.62 913.66 87.08 3388.26 0.00 0.00 0.00 04:34:03 eth0 140.24 96.14 1660.00 111.80 0.00 0.00 0.00 04:34:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:34:03 veth2aa766a 0.00 0.11 0.00 0.01 0.00 0.00 0.00 04:34:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:35:03 eth0 42.40 24.57 162.74 9.61 0.00 0.00 0.00 04:35:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:35:03 veth2aa766a 0.00 0.35 0.00 0.01 0.00 0.00 0.00 04:35:03 docker0 14.25 22.02 0.75 146.52 0.00 0.00 0.00 04:36:01 eth0 31.99 19.02 57.06 48.29 0.00 0.00 0.00 04:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:36:01 veth2aa766a 0.00 0.03 0.00 0.00 0.00 0.00 0.00 04:36:01 docker0 3.61 5.39 0.20 39.47 0.00 0.00 0.00 04:37:02 eth0 138.84 85.91 581.74 66.68 0.00 0.00 0.00 04:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:37:02 veth2aa766a 0.00 0.28 0.00 0.01 0.00 0.00 0.00 04:37:02 docker0 41.27 69.54 2.28 498.06 0.00 0.00 0.00 04:38:02 vethc671e26 0.00 0.17 0.00 0.01 0.00 0.00 0.00 04:38:02 eth0 3542.46 2757.49 16448.40 3298.44 0.00 0.00 0.00 04:38:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:38:02 veth2aa766a 0.00 0.95 0.00 0.04 0.00 0.00 0.00 04:39:01 veth2568a6b 0.00 0.12 0.00 0.01 0.00 0.00 0.00 04:39:01 eth0 62.37 38.31 99.54 57.92 0.00 0.00 0.00 04:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:39:01 veth2aa766a 0.00 0.14 0.00 0.01 0.00 0.00 0.00 04:40:01 eth0 20.44 13.50 44.02 14.91 0.00 0.00 0.00 04:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:01 docker0 1260.25 1034.02 91.36 4228.89 0.00 0.00 0.00 04:41:01 eth0 4.90 4.35 0.46 7.00 0.00 0.00 0.00 04:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 eth0 0.33 0.08 0.02 0.01 0.00 0.00 0.00 04:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 eth0 0.57 0.07 0.06 0.01 0.00 0.00 0.00 04:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:44:01 eth0 0.40 0.03 0.05 0.00 0.00 0.00 0.00 04:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 04:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 eth0 2.08 1.97 0.26 6.61 0.00 0.00 0.00 04:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:47:02 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 04:47:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:47:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 eth0 0.03 0.03 0.00 0.00 0.00 0.00 0.00 04:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 04:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 eth0 0.07 0.03 0.00 0.00 0.00 0.00 0.00 04:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 veth91ea5c2 0.00 0.05 0.00 0.00 0.00 0.00 0.00 04:51:01 eth0 3743.57 2877.03 18865.56 3396.57 0.00 0.00 0.00 04:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 04:51:01 docker0 1260.46 1034.19 91.38 4229.59 0.00 0.00 0.00 Average: veth91ea5c2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 178.57 137.24 899.91 162.02 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 60.13 49.33 4.36 201.76 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/30/20 _x86_64_ (4 CPU) 04:29:26 LINUX RESTART 04:30:01 CPU %user %nice %system %iowait %steal %idle 04:31:02 all 21.36 0.00 6.53 2.28 0.07 69.76 04:31:02 0 23.98 0.00 10.73 3.23 0.05 62.01 04:31:02 1 21.51 0.00 4.80 0.98 0.10 72.61 04:31:02 2 20.11 0.00 5.23 4.19 0.05 70.42 04:31:02 3 19.86 0.00 5.41 0.76 0.07 73.91 04:32:01 all 18.96 0.00 8.80 2.91 0.10 69.24 04:32:01 0 16.86 0.00 8.91 4.00 0.11 70.12 04:32:01 1 20.44 0.00 9.66 1.59 0.09 68.22 04:32:01 2 22.44 0.00 8.23 2.76 0.09 66.49 04:32:01 3 16.03 0.00 8.44 3.27 0.10 72.16 04:33:01 all 44.94 0.00 13.24 8.29 0.06 33.48 04:33:01 0 43.86 0.00 12.42 6.29 0.07 37.36 04:33:01 1 45.89 0.00 13.84 8.22 0.08 31.97 04:33:01 2 45.80 0.00 13.19 11.53 0.05 29.43 04:33:01 3 44.20 0.00 13.50 7.11 0.05 35.15 04:34:03 all 24.64 0.00 10.80 6.58 0.16 57.81 04:34:03 0 22.90 0.00 10.52 5.92 0.17 60.49 04:34:03 1 25.69 0.00 10.78 8.61 0.13 54.78 04:34:03 2 24.74 0.00 11.05 6.77 0.18 57.26 04:34:03 3 25.23 0.00 10.82 5.04 0.17 58.75 04:35:03 all 19.34 0.00 23.47 31.12 0.41 25.66 04:35:03 0 18.98 0.00 23.33 31.24 0.37 26.07 04:35:03 1 19.50 0.00 23.35 28.67 0.42 28.06 04:35:03 2 19.82 0.00 23.09 33.42 0.44 23.23 04:35:03 3 19.06 0.00 24.14 31.14 0.41 25.26 04:36:01 all 56.02 0.00 17.90 15.02 0.17 10.89 04:36:01 0 55.43 0.00 17.13 16.48 0.18 10.79 04:36:01 1 56.02 0.00 17.88 15.36 0.19 10.55 04:36:01 2 56.10 0.00 17.97 13.37 0.12 12.44 04:36:01 3 56.52 0.00 18.63 14.88 0.16 9.82 04:37:02 all 14.89 0.00 18.79 31.28 0.34 34.69 04:37:02 0 13.91 0.00 17.96 29.74 0.37 38.02 04:37:02 1 14.21 0.00 18.72 30.51 0.46 36.11 04:37:02 2 15.91 0.00 18.32 31.26 0.27 34.24 04:37:02 3 15.55 0.00 20.17 33.68 0.27 30.32 04:38:02 all 39.44 0.00 20.11 28.74 0.17 11.54 04:38:02 0 39.38 0.00 16.16 28.49 0.16 15.81 04:38:02 1 40.07 0.00 21.11 29.44 0.24 9.14 04:38:02 2 37.89 0.00 22.40 28.28 0.17 11.25 04:38:02 3 40.40 0.00 20.83 28.69 0.12 9.95 04:39:01 all 30.12 0.00 15.39 19.57 0.08 34.84 04:39:01 0 28.91 0.00 14.09 20.56 0.10 36.33 04:39:01 1 29.42 0.00 16.00 17.59 0.07 36.92 04:39:01 2 31.97 0.00 15.92 20.02 0.07 32.02 04:39:01 3 30.18 0.00 15.52 20.16 0.09 34.05 04:40:01 all 1.93 0.00 2.29 1.62 0.01 94.14 04:40:01 0 2.29 0.00 2.67 1.14 0.02 93.88 04:40:01 1 1.79 0.00 2.49 1.81 0.00 93.91 04:40:01 2 2.13 0.00 2.03 1.29 0.02 94.54 04:40:01 3 1.51 0.00 1.98 2.25 0.00 94.26 04:41:01 all 0.04 0.00 0.05 0.00 0.00 99.90 04:41:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:41:01 1 0.02 0.00 0.03 0.00 0.00 99.95 04:41:01 2 0.08 0.00 0.08 0.02 0.00 99.82 04:41:01 3 0.03 0.00 0.05 0.02 0.00 99.90 04:42:01 all 0.04 0.00 0.03 0.00 0.00 99.93 04:42:01 0 0.03 0.00 0.02 0.00 0.00 99.95 04:42:01 1 0.03 0.00 0.02 0.00 0.00 99.95 04:42:01 2 0.07 0.00 0.05 0.00 0.00 99.88 04:42:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:43:01 all 0.02 0.00 0.03 0.00 0.00 99.95 04:43:01 0 0.02 0.00 0.05 0.00 0.00 99.93 04:43:01 1 0.02 0.00 0.03 0.00 0.00 99.95 04:43:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:43:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:44:01 all 0.04 0.00 0.02 0.00 0.00 99.94 04:44:01 0 0.05 0.00 0.03 0.00 0.02 99.90 04:44:01 1 0.03 0.00 0.02 0.00 0.00 99.95 04:44:01 2 0.05 0.00 0.03 0.00 0.02 99.90 04:44:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:45:01 all 0.03 0.00 0.07 0.02 0.00 99.88 04:45:01 0 0.03 0.00 0.10 0.08 0.00 99.78 04:45:01 1 0.03 0.00 0.02 0.00 0.00 99.95 04:45:01 2 0.05 0.00 0.08 0.00 0.00 99.87 04:45:01 3 0.02 0.00 0.03 0.00 0.00 99.95 04:46:01 all 0.05 0.00 0.04 0.00 0.00 99.90 04:46:01 0 0.05 0.00 0.03 0.00 0.00 99.92 04:46:01 1 0.03 0.00 0.07 0.00 0.00 99.90 04:46:01 2 0.07 0.00 0.02 0.00 0.00 99.92 04:46:01 3 0.07 0.00 0.07 0.02 0.00 99.85 04:47:02 all 0.02 0.00 0.02 0.00 0.00 99.95 04:47:02 0 0.02 0.00 0.02 0.00 0.00 99.97 04:47:02 1 0.03 0.00 0.02 0.00 0.00 99.95 04:47:02 2 0.02 0.00 0.02 0.00 0.00 99.97 04:47:02 3 0.03 0.00 0.03 0.00 0.00 99.93 04:48:01 all 0.03 0.00 0.03 0.00 0.00 99.94 04:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:48:01 1 0.03 0.00 0.02 0.00 0.00 99.95 04:48:01 2 0.05 0.00 0.02 0.00 0.00 99.93 04:48:01 3 0.05 0.00 0.05 0.00 0.00 99.90 04:49:01 all 0.02 0.00 0.04 0.00 0.00 99.94 04:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:49:01 1 0.02 0.00 0.05 0.00 0.00 99.93 04:49:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:49:01 3 0.02 0.00 0.05 0.00 0.02 99.92 04:50:01 all 0.03 0.00 0.03 0.00 0.00 99.94 04:50:01 0 0.00 0.00 0.03 0.00 0.00 99.97 04:50:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:50:01 2 0.02 0.00 0.02 0.00 0.00 99.97 04:50:01 3 0.05 0.00 0.03 0.00 0.00 99.92 04:51:01 all 5.25 0.00 3.67 3.51 0.03 87.55 04:51:01 0 4.95 0.00 3.54 2.22 0.00 89.29 04:51:01 1 6.62 0.00 4.51 5.17 0.03 83.67 04:51:01 2 4.67 0.00 3.47 6.32 0.02 85.52 04:51:01 3 4.74 0.00 3.14 0.35 0.03 91.73 Average: all 12.96 0.00 6.61 7.05 0.08 73.31 Average: 0 12.71 0.00 6.46 6.99 0.07 73.77 Average: 1 13.17 0.00 6.71 6.91 0.09 73.13 Average: 2 13.19 0.00 6.60 7.44 0.07 72.70 Average: 3 12.77 0.00 6.66 6.84 0.07 73.65