---> uname -a: Linux 6e853ec08b6a 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 12.9G 37.1G 26% / 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 12.9G 37.1G 26% /etc/resolv.conf /dev/vda1 50.0G 12.9G 37.1G 26% /etc/hostname /dev/vda1 50.0G 12.9G 37.1G 26% /etc/hosts /dev/vda1 50.0G 12.9G 37.1G 26% /var/log/sa /dev/vda1 50.0G 12.9G 37.1G 26% /w/workspace/edgex-go/15 /dev/vda1 50.0G 12.9G 37.1G 26% /w/workspace/edgex-go/15@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 627 112 0 1097 1127 Swap: 1023 89 934 ---> 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 108: eth0@if109: 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) 08/17/20 _x86_64_ (4 CPU) 12:50:21 LINUX RESTART 12:51:02 tps rtps wtps bread/s bwrtn/s 12:52:01 102.91 39.97 62.94 7784.23 20836.77 12:53:01 459.06 239.68 219.38 8475.91 75667.49 12:54:01 371.47 246.65 124.82 10459.62 24132.96 12:55:02 317.63 110.07 207.56 58270.03 140053.93 12:56:01 3167.12 2816.56 350.56 179838.92 195294.94 12:57:02 516.66 269.19 247.47 42228.16 51733.51 12:58:01 2657.22 2306.57 350.65 122850.88 137692.96 12:59:02 1890.91 1587.27 303.64 93626.10 105988.27 13:00:01 231.54 99.29 132.25 7849.20 15260.22 13:01:01 2.08 0.62 1.47 19.85 22.19 13:02:01 0.77 0.40 0.37 23.03 6.01 13:03:01 0.32 0.08 0.23 0.67 2.45 13:04:01 0.20 0.00 0.20 0.00 1.92 13:05:01 0.42 0.22 0.20 1.73 1.88 13:06:01 1.91 1.69 0.22 52.15 3.83 13:07:01 0.87 0.03 0.83 1.07 15.48 13:08:01 0.23 0.03 0.20 0.27 1.75 13:09:01 0.25 0.07 0.18 0.53 1.67 13:10:01 1.00 0.72 0.28 8.53 3.76 13:11:01 0.27 0.03 0.23 0.27 2.57 13:12:01 141.07 57.18 83.89 5702.68 20250.66 Average: 468.47 368.99 99.48 25542.52 37490.24 12:51:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:52:01 327084 1554472 82.62 2620 967932 1123724 38.35 564560 833108 120 12:53:01 96196 1785360 94.89 1492 1063748 1297616 44.29 741344 787528 8 12:54:01 337460 1544096 82.06 364 765384 1497920 51.12 672288 632972 50508 12:55:02 64976 1816580 96.55 36 1033516 2252992 76.89 801196 851400 29392 12:56:01 123564 1757992 93.43 0 1075740 1718192 58.64 658096 925268 1844 12:57:02 157636 1723920 91.62 0 1045240 1536196 52.43 613564 902340 49596 12:58:01 273532 1608024 85.46 0 913216 1851148 63.18 518596 910236 62904 12:59:02 181484 1700072 90.35 0 1013176 1925304 65.71 627200 880700 1828 13:00:01 720608 1160948 61.70 0 608288 1177956 40.20 415912 547880 20 13:01:01 723208 1158348 61.56 0 608792 1144392 39.06 414492 547332 16 13:02:01 722824 1158732 61.58 0 609472 1142532 38.99 414144 547908 12 13:03:01 723036 1158520 61.57 0 609488 1142472 38.99 414068 547916 16 13:04:01 723232 1158324 61.56 0 609496 1142472 38.99 414072 547936 8 13:05:01 722440 1159116 61.60 0 609500 1142676 39.00 414460 547984 8 13:06:01 721376 1160180 61.66 0 610372 1142556 38.99 414400 548652 20 13:07:01 721620 1159936 61.65 0 610388 1142508 38.99 414396 548656 12 13:08:01 721984 1159572 61.63 0 610388 1142472 38.99 414320 548660 12 13:09:01 721612 1159944 61.65 0 610400 1142472 38.99 414448 548672 16 13:10:01 721364 1160192 61.66 0 610404 1142472 38.99 414352 548932 8 13:11:01 720788 1160768 61.69 0 610408 1142532 38.99 414424 548940 12 13:12:01 144804 1736752 92.30 0 1124268 1270748 43.37 510356 986252 404 Average: 493849 1387707 73.75 215 777125 1343874 45.86 508604 680442 9370 12:51:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 12:52:01 eth0 1882.40 1592.69 5959.00 1701.35 0.00 0.00 0.00 12:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:52:01 docker0 843.16 717.94 68.32 2700.62 0.00 0.00 0.00 12:53:01 eth0 993.31 673.41 7268.44 1248.96 0.00 0.00 0.00 12:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:53:01 docker0 113.69 146.04 8.40 727.77 0.00 0.00 0.00 12:54:01 veth745addd 0.00 0.13 0.00 0.01 0.00 0.00 0.00 12:54:01 eth0 3188.14 2444.42 13776.64 3047.93 0.00 0.00 0.00 12:54:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 12:54:01 docker0 943.00 852.32 75.59 3385.07 0.00 0.00 0.00 12:55:02 eth0 119.29 80.43 1680.93 55.92 0.00 0.00 0.00 12:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:55:02 veth4c0ad2c 0.00 0.13 0.00 0.01 0.00 0.00 0.00 12:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 eth0 49.16 30.62 166.66 10.38 0.00 0.00 0.00 12:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 veth4c0ad2c 0.00 0.27 0.00 0.01 0.00 0.00 0.00 12:56:01 docker0 19.90 28.23 1.10 148.39 0.00 0.00 0.00 12:57:02 vethdd454cd 0.00 0.08 0.00 0.01 0.00 0.00 0.00 12:57:02 eth0 3388.35 2573.56 15647.91 3144.66 0.00 0.00 0.00 12:57:02 veth6ad12a0 0.08 0.00 0.01 0.00 0.00 0.00 0.00 12:57:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 12:58:01 eth0 112.33 72.08 432.92 72.19 0.00 0.00 0.00 12:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:01 veth4c0ad2c 0.00 0.67 0.00 0.03 0.00 0.00 0.00 12:58:01 veth1e8b820 0.20 0.30 0.03 0.41 0.00 0.00 0.00 12:59:02 eth0 58.70 35.77 90.77 66.33 0.00 0.00 0.00 12:59:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:59:02 veth4c0ad2c 0.00 0.02 0.00 0.00 0.00 0.00 0.00 12:59:02 docker0 1003.23 955.06 78.96 4092.74 0.00 0.00 0.00 13:00:01 eth0 54.13 37.88 108.08 15.28 0.00 0.00 0.00 13:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 docker0 3.76 5.58 0.21 33.76 0.00 0.00 0.00 13:01:01 eth0 0.20 0.17 0.08 0.08 0.00 0.00 0.00 13:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:02:01 eth0 0.30 0.23 0.42 0.02 0.00 0.00 0.00 13:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:03:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 13:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:04:01 eth0 0.57 0.08 0.06 0.01 0.00 0.00 0.00 13:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:05:01 eth0 0.53 0.47 0.27 0.21 0.00 0.00 0.00 13:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:06:01 eth0 0.14 0.08 0.08 0.06 0.00 0.00 0.00 13:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:07:01 eth0 0.22 0.22 0.07 0.02 0.00 0.00 0.00 13:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:08:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 13:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:09:01 eth0 0.02 0.00 0.00 0.00 0.00 0.00 0.00 13:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 13:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:11:01 eth0 0.12 0.08 0.07 0.06 0.00 0.00 0.00 13:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:12:01 veth5fc8377 0.23 0.28 0.56 0.10 0.00 0.00 0.00 13:12:01 eth0 3780.37 2839.34 18794.89 3389.42 0.00 0.00 0.00 13:12:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:12:01 docker0 1017.68 970.75 80.54 4168.97 0.00 0.00 0.00 Average: veth5fc8377 0.01 0.01 0.03 0.00 0.00 0.00 0.00 Average: eth0 180.37 135.47 896.75 161.72 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 48.56 46.32 3.84 198.91 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) 08/17/20 _x86_64_ (4 CPU) 12:50:21 LINUX RESTART 12:51:02 CPU %user %nice %system %iowait %steal %idle 12:52:01 all 18.16 0.00 6.74 2.76 0.09 72.24 12:52:01 0 16.51 0.00 8.67 2.45 0.07 72.30 12:52:01 1 16.90 0.00 6.36 1.92 0.14 74.68 12:52:01 2 21.53 0.00 6.61 3.67 0.09 68.10 12:52:01 3 17.67 0.00 5.37 2.99 0.09 73.88 12:53:01 all 17.34 0.00 10.94 5.80 0.10 65.82 12:53:01 0 15.50 0.00 11.40 4.27 0.10 68.72 12:53:01 1 14.75 0.00 10.52 8.66 0.12 65.94 12:53:01 2 23.60 0.00 10.73 5.33 0.07 60.28 12:53:01 3 15.49 0.00 11.11 4.96 0.10 68.34 12:54:01 all 52.23 0.00 15.28 7.11 0.06 25.32 12:54:01 0 51.87 0.00 15.73 5.23 0.03 27.14 12:54:01 1 52.07 0.00 15.41 5.91 0.05 26.56 12:54:01 2 52.32 0.00 15.09 9.86 0.08 22.64 12:54:01 3 52.66 0.00 14.92 7.43 0.05 24.95 12:55:02 all 20.59 0.00 15.50 5.64 0.07 58.21 12:55:02 0 20.25 0.00 15.16 4.73 0.07 59.79 12:55:02 1 21.22 0.00 15.26 4.61 0.08 58.83 12:55:02 2 23.64 0.00 16.37 7.91 0.07 52.00 12:55:02 3 17.23 0.00 15.16 5.30 0.05 62.26 12:56:01 all 20.24 0.00 26.11 29.90 0.16 23.59 12:56:01 0 20.44 0.00 26.76 30.77 0.18 21.85 12:56:01 1 20.61 0.00 26.59 30.15 0.16 22.49 12:56:01 2 19.22 0.00 23.86 28.66 0.16 28.10 12:56:01 3 20.70 0.00 27.25 30.01 0.14 21.90 12:57:02 all 49.16 0.00 18.18 15.54 0.31 16.82 12:57:02 0 49.36 0.00 18.66 10.90 0.20 20.87 12:57:02 1 48.95 0.00 18.00 18.19 0.29 14.57 12:57:02 2 49.32 0.00 16.92 13.35 0.35 20.06 12:57:02 3 48.99 0.00 19.17 19.75 0.36 11.73 12:58:01 all 15.33 0.00 20.43 35.10 0.24 28.90 12:58:01 0 14.04 0.00 18.71 31.08 0.32 35.85 12:58:01 1 14.01 0.00 20.51 35.67 0.26 29.55 12:58:01 2 16.21 0.00 20.47 35.84 0.25 27.24 12:58:01 3 17.10 0.00 22.09 37.81 0.16 22.84 12:59:02 all 52.51 0.00 21.74 19.61 0.09 6.05 12:59:02 0 52.66 0.00 20.89 19.39 0.10 6.95 12:59:02 1 52.20 0.00 20.62 19.76 0.14 7.28 12:59:02 2 52.23 0.00 21.93 20.44 0.07 5.34 12:59:02 3 52.96 0.00 23.50 18.84 0.07 4.62 13:00:01 all 12.39 0.00 6.89 9.69 0.04 70.99 13:00:01 0 12.17 0.00 7.22 9.36 0.05 71.21 13:00:01 1 11.73 0.00 6.81 7.56 0.02 73.89 13:00:01 2 13.77 0.00 6.86 10.49 0.03 68.84 13:00:01 3 11.89 0.00 6.70 11.35 0.05 70.01 13:01:01 all 0.17 0.00 0.05 0.01 0.00 99.78 13:01:01 0 0.03 0.00 0.05 0.00 0.00 99.92 13:01:01 1 0.03 0.00 0.07 0.02 0.00 99.88 13:01:01 2 0.53 0.00 0.05 0.02 0.00 99.40 13:01:01 3 0.05 0.00 0.03 0.00 0.00 99.92 13:02:01 all 0.15 0.00 0.05 0.01 0.00 99.79 13:02:01 0 0.02 0.00 0.03 0.00 0.00 99.95 13:02:01 1 0.05 0.00 0.02 0.00 0.00 99.93 13:02:01 2 0.52 0.00 0.05 0.02 0.00 99.42 13:02:01 3 0.05 0.00 0.05 0.02 0.00 99.88 13:03:01 all 0.15 0.00 0.02 0.00 0.00 99.83 13:03:01 0 0.02 0.00 0.02 0.02 0.02 99.93 13:03:01 1 0.02 0.00 0.03 0.00 0.00 99.95 13:03:01 2 0.52 0.00 0.02 0.00 0.00 99.47 13:03:01 3 0.05 0.00 0.03 0.00 0.00 99.92 13:04:01 all 0.16 0.00 0.03 0.00 0.00 99.80 13:04:01 0 0.03 0.00 0.05 0.00 0.00 99.92 13:04:01 1 0.05 0.00 0.02 0.00 0.00 99.93 13:04:01 2 0.52 0.00 0.02 0.00 0.00 99.47 13:04:01 3 0.05 0.00 0.03 0.00 0.00 99.92 13:05:01 all 0.10 0.00 0.04 0.00 0.00 99.85 13:05:01 0 0.02 0.00 0.03 0.00 0.00 99.95 13:05:01 1 0.02 0.00 0.02 0.02 0.00 99.95 13:05:01 2 0.30 0.00 0.08 0.00 0.02 99.60 13:05:01 3 0.07 0.00 0.05 0.00 0.00 99.88 13:06:01 all 0.05 0.00 0.07 0.03 0.00 99.86 13:06:01 0 0.03 0.00 0.07 0.00 0.00 99.90 13:06:01 1 0.03 0.00 0.03 0.00 0.00 99.93 13:06:01 2 0.03 0.00 0.10 0.05 0.02 99.80 13:06:01 3 0.07 0.00 0.07 0.05 0.00 99.81 13:07:01 all 0.13 0.00 0.03 0.00 0.00 99.84 13:07:01 0 0.00 0.00 0.02 0.00 0.00 99.98 13:07:01 1 0.02 0.00 0.02 0.00 0.00 99.97 13:07:01 2 0.48 0.00 0.03 0.00 0.00 99.48 13:07:01 3 0.02 0.00 0.02 0.00 0.00 99.97 13:08:01 all 0.16 0.00 0.02 0.00 0.00 99.81 13:08:01 0 0.02 0.00 0.02 0.00 0.00 99.97 13:08:01 1 0.05 0.00 0.03 0.00 0.02 99.90 13:08:01 2 0.55 0.00 0.03 0.00 0.00 99.42 13:08:01 3 0.02 0.00 0.02 0.00 0.00 99.97 13:09:01 all 0.15 0.00 0.02 0.00 0.00 99.83 13:09:01 0 0.02 0.00 0.03 0.00 0.00 99.95 13:09:01 1 0.05 0.00 0.03 0.00 0.00 99.92 13:09:01 2 0.52 0.00 0.02 0.00 0.00 99.47 13:09:01 3 0.02 0.00 0.03 0.00 0.02 99.93 13:10:01 all 0.16 0.00 0.03 0.02 0.00 99.79 13:10:01 0 0.02 0.00 0.02 0.00 0.00 99.97 13:10:01 1 0.07 0.00 0.07 0.05 0.00 99.82 13:10:01 2 0.52 0.00 0.02 0.03 0.00 99.43 13:10:01 3 0.02 0.00 0.00 0.00 0.00 99.98 13:11:01 all 0.15 0.00 0.02 0.00 0.00 99.83 13:11:01 0 0.03 0.00 0.05 0.00 0.00 99.92 13:11:01 1 0.03 0.00 0.02 0.00 0.00 99.95 13:11:01 2 0.52 0.00 0.02 0.00 0.00 99.47 13:11:01 3 0.02 0.00 0.02 0.00 0.00 99.97 13:12:01 all 6.46 0.00 4.29 4.56 0.10 84.60 13:12:01 0 5.43 0.00 4.54 5.06 0.07 84.91 13:12:01 1 5.96 0.00 3.50 5.08 0.10 85.36 13:12:01 2 5.78 0.00 4.77 3.61 0.07 85.76 13:12:01 3 8.66 0.00 4.36 4.49 0.17 82.32 Average: all 12.50 0.00 6.84 6.31 0.06 74.29 Average: 0 12.16 0.00 6.93 5.73 0.06 75.13 Average: 1 12.16 0.00 6.73 6.40 0.06 74.65 Average: 2 13.31 0.00 6.74 6.48 0.06 73.41 Average: 3 12.38 0.00 6.98 6.61 0.06 73.96