---> uname -a: Linux 7cba1674b8ab 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 12.5G 37.4G 25% / 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 12.5G 37.4G 25% /etc/resolv.conf /dev/vda1 50.0G 12.5G 37.4G 25% /etc/hostname /dev/vda1 50.0G 12.5G 37.4G 25% /etc/hosts /dev/vda1 50.0G 12.5G 37.4G 25% /var/log/sa /dev/vda1 50.0G 12.5G 37.4G 25% /w/workspace/edgex-go/34 /dev/vda1 50.0G 12.5G 37.4G 25% /w/workspace/edgex-go/34@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 601 140 0 1094 1154 Swap: 1023 123 900 ---> 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 110: eth0@if111: 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) 08/20/20 _x86_64_ (4 CPU) 00:30:16 LINUX RESTART 00:32:01 tps rtps wtps bread/s bwrtn/s 00:33:01 366.58 238.92 127.66 9194.81 59999.38 00:34:01 333.01 167.24 165.77 7939.89 31529.94 00:35:01 212.45 98.77 113.68 4904.76 29726.52 00:36:03 678.02 451.72 226.30 81146.56 158866.02 00:37:02 2845.68 2508.88 336.81 160164.19 173292.22 00:38:02 311.99 84.69 227.31 16638.82 65246.59 00:39:03 2162.00 1839.63 322.38 129697.54 147590.29 00:40:02 1342.89 1043.99 298.89 77486.85 85587.89 00:41:01 153.97 34.88 119.09 3626.20 11171.84 00:42:01 1.67 0.43 1.23 4.80 16.32 00:43:01 0.38 0.07 0.32 0.67 3.53 00:44:01 0.88 0.52 0.37 7.20 3.68 00:45:01 0.32 0.02 0.30 0.27 3.16 00:46:01 2.46 1.70 0.77 52.88 14.42 00:47:02 0.27 0.00 0.27 0.00 3.01 00:48:01 0.36 0.03 0.32 0.81 3.93 00:49:01 1.12 0.93 0.18 12.12 2.18 00:50:01 1.07 0.82 0.25 11.85 2.90 00:51:01 0.27 0.02 0.25 0.13 2.75 00:52:01 1.08 0.80 0.28 11.86 3.30 00:53:01 0.23 0.02 0.22 0.13 2.60 Average: 399.27 306.74 92.53 23372.78 36466.88 00:32:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:33:01 143060 1738496 92.40 1496 1066908 1447352 49.40 552000 983592 408 00:34:01 191664 1689892 89.81 1300 950340 1729300 59.02 675184 773344 81472 00:35:01 262152 1619404 86.07 436 818868 1496368 51.07 715128 660584 74720 00:36:03 65716 1815840 96.51 4 1038500 2283448 77.93 801836 852196 38564 00:37:02 232508 1649048 87.64 4 762580 4161880 142.04 723968 710652 3264 00:38:02 52816 1828740 97.19 4 1226988 1352452 46.16 758072 862748 66608 00:39:03 78456 1803100 95.83 4 1079404 2288136 78.09 675640 927324 94320 00:40:02 437496 1444060 76.75 4 853988 1607052 54.85 492056 732008 6092 00:41:01 641144 1240412 65.92 4 709696 1197112 40.86 459656 566556 24 00:42:01 645040 1236516 65.72 4 709704 1159064 39.56 456956 566108 8 00:43:01 646364 1235192 65.65 4 709712 1150840 39.28 456360 566108 8 00:44:01 646172 1235384 65.66 4 709724 1150840 39.28 456244 566324 8 00:45:01 646452 1235104 65.64 4 709732 1150840 39.28 456372 566332 8 00:46:01 644788 1236768 65.73 4 710724 1150840 39.28 456912 566672 8 00:47:02 644312 1237244 65.76 4 710732 1150924 39.28 456992 566672 8 00:48:01 644640 1236916 65.74 4 710736 1150888 39.28 456904 566688 8 00:49:01 643996 1237560 65.77 4 710748 1150840 39.28 457048 567052 8 00:50:01 643872 1237684 65.78 4 710760 1150840 39.28 456928 567400 12 00:51:01 643260 1238296 65.81 4 710768 1150840 39.28 456936 567416 8 00:52:01 643140 1238416 65.82 4 710772 1150924 39.28 457148 567740 8 00:53:01 643620 1237936 65.79 4 710784 1150840 39.28 456944 567776 8 Average: 468603 1412953 75.09 157 811056 1494363 51.00 539775 660538 17408 00:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:33:01 eth0 1811.43 1373.60 7868.24 2831.89 0.00 0.00 0.00 00:33:01 veth9c0ff0d 0.86 1.06 0.06 6.58 0.00 0.00 0.00 00:33:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 00:33:01 docker0 697.79 621.56 54.96 2254.23 0.00 0.00 0.00 00:34:01 eth0 376.50 290.06 1985.79 38.03 0.00 0.00 0.00 00:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:01 veth25c18eb 0.00 0.13 0.00 0.01 0.00 0.00 0.00 00:34:01 docker0 134.21 160.36 9.48 827.27 0.00 0.00 0.00 00:35:01 eth0 51.43 34.68 32.42 73.65 0.00 0.00 0.00 00:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:01 veth25c18eb 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:36:03 veth0bfecb1 0.00 0.13 0.00 0.01 0.00 0.00 0.00 00:36:03 eth0 3018.02 2361.85 15109.54 3002.33 0.00 0.00 0.00 00:36:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 00:36:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:37:02 vethed85bd7 0.00 0.10 0.00 0.01 0.00 0.00 0.00 00:37:02 vethbb69900 0.00 0.10 0.00 0.01 0.00 0.00 0.00 00:37:02 veth0bfecb1 0.00 0.38 0.00 0.02 0.00 0.00 0.00 00:37:02 eth0 3265.45 2550.01 16262.40 3244.72 0.00 0.00 0.00 00:38:02 veth0bfecb1 0.00 0.13 0.00 0.01 0.00 0.00 0.00 00:38:02 eth0 35.28 21.10 95.14 11.84 0.00 0.00 0.00 00:38:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 00:38:02 docker0 984.00 924.92 77.61 3721.78 0.00 0.00 0.00 00:39:03 veth303dbc8 2.46 3.26 0.41 17.85 0.00 0.00 0.00 00:39:03 veth0bfecb1 0.00 0.68 0.00 0.03 0.00 0.00 0.00 00:39:03 eth0 3287.91 2535.33 16198.53 3200.07 0.00 0.00 0.00 00:39:03 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 00:40:02 veth0bfecb1 0.00 0.08 0.00 0.00 0.00 0.00 0.00 00:40:02 eth0 58.10 34.58 104.85 57.37 0.00 0.00 0.00 00:40:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:02 veth72d0ad4 0.00 0.15 0.00 0.01 0.00 0.00 0.00 00:41:01 eth0 68.22 47.25 159.37 53.93 0.00 0.00 0.00 00:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:41:01 docker0 1042.09 1026.25 81.38 4344.71 0.00 0.00 0.00 00:42:01 eth0 0.28 0.22 0.14 0.07 0.00 0.00 0.00 00:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 00:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:45:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:46:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 00:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:47:02 eth0 0.17 0.15 0.08 0.07 0.00 0.00 0.00 00:47:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:47:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:48:01 eth0 0.17 0.15 0.07 0.01 0.00 0.00 0.00 00:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:49:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 00:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:52:01 eth0 0.32 0.23 0.14 0.07 0.00 0.00 0.00 00:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:53:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 127.30 94.01 598.46 153.98 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 42.84 42.98 3.26 184.32 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) 08/20/20 _x86_64_ (4 CPU) 00:30:16 LINUX RESTART 00:32:01 CPU %user %nice %system %iowait %steal %idle 00:33:01 all 23.82 0.00 10.20 2.12 0.26 63.61 00:33:01 0 23.44 0.00 11.12 3.02 0.21 62.22 00:33:01 1 29.32 0.00 10.61 1.83 0.24 57.99 00:33:01 2 18.11 0.00 9.33 2.08 0.33 70.15 00:33:01 3 24.40 0.00 9.72 1.52 0.28 64.09 00:34:01 all 25.25 0.00 10.82 6.14 0.27 57.52 00:34:01 0 25.99 0.00 11.86 5.38 0.22 56.55 00:34:01 1 25.25 0.00 10.85 5.31 0.27 58.32 00:34:01 2 24.21 0.00 10.59 8.13 0.27 56.78 00:34:01 3 25.54 0.00 10.00 5.73 0.32 58.40 00:35:01 all 51.25 0.00 14.14 5.64 0.42 28.55 00:35:01 0 51.78 0.00 13.76 5.63 0.34 28.48 00:35:01 1 51.77 0.00 13.82 5.07 0.41 28.93 00:35:01 2 51.73 0.00 14.86 5.11 0.45 27.86 00:35:01 3 49.71 0.00 14.12 6.78 0.47 28.92 00:36:03 all 22.20 0.00 19.09 7.36 0.70 50.66 00:36:03 0 22.62 0.00 17.31 6.26 0.73 53.07 00:36:03 1 21.80 0.00 19.00 8.89 0.58 49.73 00:36:03 2 23.82 0.00 20.27 8.27 0.76 46.89 00:36:03 3 20.56 0.00 19.76 5.98 0.70 52.99 00:37:02 all 23.00 0.00 28.95 25.03 0.94 22.09 00:37:02 0 22.80 0.00 28.14 25.64 1.09 22.32 00:37:02 1 23.15 0.00 27.52 24.09 0.97 24.28 00:37:02 2 23.90 0.00 28.92 26.82 0.90 19.46 00:37:02 3 22.14 0.00 31.26 23.53 0.81 22.26 00:38:02 all 54.78 0.00 15.92 15.39 0.19 13.72 00:38:02 0 53.80 0.00 15.28 8.57 0.16 22.19 00:38:02 1 55.76 0.00 15.49 17.56 0.16 11.03 00:38:02 2 55.20 0.00 15.97 19.27 0.21 9.35 00:38:02 3 54.35 0.00 16.95 16.15 0.23 12.32 00:39:03 all 29.93 0.00 25.14 24.63 0.72 19.59 00:39:03 0 28.17 0.00 22.98 23.78 0.69 24.37 00:39:03 1 29.80 0.00 24.14 23.85 0.81 21.39 00:39:03 2 30.77 0.00 26.98 27.92 0.75 13.58 00:39:03 3 30.99 0.00 26.45 22.94 0.63 18.99 00:40:02 all 49.85 0.00 20.38 15.70 0.37 13.70 00:40:02 0 50.10 0.00 18.39 12.98 0.44 18.10 00:40:02 1 49.02 0.00 20.63 17.91 0.47 11.97 00:40:02 2 50.13 0.00 21.20 14.40 0.30 13.98 00:40:02 3 50.15 0.00 21.31 17.52 0.26 10.75 00:41:01 all 7.47 0.00 6.12 7.22 0.03 79.15 00:41:01 0 7.17 0.00 5.97 6.05 0.00 80.81 00:41:01 1 7.60 0.00 6.24 5.90 0.03 80.22 00:41:01 2 7.80 0.00 6.55 9.78 0.03 75.84 00:41:01 3 7.34 0.00 5.72 7.15 0.05 79.73 00:42:01 all 0.17 0.00 0.04 0.02 0.00 99.77 00:42:01 0 0.53 0.00 0.03 0.00 0.00 99.43 00:42:01 1 0.05 0.00 0.07 0.00 0.00 99.88 00:42:01 2 0.05 0.00 0.05 0.07 0.00 99.83 00:42:01 3 0.05 0.00 0.05 0.03 0.00 99.87 00:43:01 all 0.16 0.00 0.03 0.00 0.00 99.80 00:43:01 0 0.50 0.00 0.03 0.00 0.00 99.47 00:43:01 1 0.02 0.00 0.02 0.00 0.00 99.97 00:43:01 2 0.07 0.00 0.03 0.00 0.02 99.88 00:43:01 3 0.02 0.00 0.00 0.00 0.00 99.98 00:44:01 all 0.15 0.00 0.03 0.02 0.00 99.81 00:44:01 0 0.52 0.00 0.03 0.00 0.00 99.45 00:44:01 1 0.02 0.00 0.02 0.00 0.00 99.97 00:44:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:44:01 3 0.02 0.00 0.03 0.07 0.00 99.88 00:45:01 all 0.15 0.00 0.02 0.00 0.00 99.82 00:45:01 0 0.52 0.00 0.03 0.00 0.00 99.45 00:45:01 1 0.00 0.00 0.02 0.00 0.02 99.97 00:45:01 2 0.05 0.00 0.03 0.00 0.00 99.92 00:45:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:46:01 all 0.12 0.00 0.07 0.02 0.00 99.78 00:46:01 0 0.40 0.00 0.08 0.00 0.00 99.52 00:46:01 1 0.05 0.00 0.05 0.02 0.00 99.88 00:46:01 2 0.03 0.00 0.10 0.08 0.00 99.78 00:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:47:02 all 0.16 0.00 0.03 0.00 0.00 99.80 00:47:02 0 0.53 0.00 0.02 0.00 0.02 99.43 00:47:02 1 0.07 0.00 0.05 0.00 0.00 99.88 00:47:02 2 0.03 0.00 0.05 0.00 0.00 99.92 00:47:02 3 0.05 0.00 0.02 0.00 0.00 99.93 00:48:01 all 0.14 0.00 0.03 0.00 0.00 99.83 00:48:01 0 0.49 0.00 0.03 0.00 0.00 99.47 00:48:01 1 0.03 0.00 0.02 0.00 0.00 99.95 00:48:01 2 0.03 0.00 0.03 0.02 0.00 99.92 00:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:49:01 all 0.16 0.00 0.02 0.04 0.00 99.78 00:49:01 0 0.52 0.00 0.03 0.02 0.00 99.43 00:49:01 1 0.05 0.00 0.02 0.15 0.00 99.78 00:49:01 2 0.05 0.00 0.03 0.00 0.00 99.92 00:49:01 3 0.03 0.00 0.03 0.00 0.00 99.93 00:50:01 all 0.14 0.00 0.03 0.02 0.00 99.80 00:50:01 0 0.48 0.00 0.03 0.00 0.00 99.48 00:50:01 1 0.02 0.00 0.02 0.00 0.00 99.97 00:50:01 2 0.03 0.00 0.07 0.00 0.00 99.90 00:50:01 3 0.03 0.00 0.02 0.12 0.00 99.83 00:51:01 all 0.17 0.00 0.03 0.00 0.00 99.80 00:51:01 0 0.52 0.00 0.02 0.00 0.00 99.47 00:51:01 1 0.08 0.00 0.03 0.00 0.00 99.88 00:51:01 2 0.03 0.00 0.02 0.00 0.00 99.95 00:51:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:52:01 all 0.11 0.00 0.04 0.03 0.00 99.83 00:52:01 0 0.37 0.00 0.07 0.00 0.00 99.57 00:52:01 1 0.03 0.00 0.05 0.00 0.00 99.92 00:52:01 2 0.03 0.00 0.02 0.00 0.00 99.95 00:52:01 3 0.02 0.00 0.02 0.10 0.00 99.87 00:53:01 all 0.03 0.00 0.03 0.00 0.00 99.94 00:53:01 0 0.03 0.00 0.03 0.00 0.00 99.93 00:53:01 1 0.05 0.00 0.05 0.00 0.00 99.90 00:53:01 2 0.02 0.00 0.03 0.00 0.00 99.95 00:53:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 13.46 0.00 7.01 5.04 0.18 74.31 Average: 0 13.57 0.00 6.74 4.49 0.18 75.03 Average: 1 13.72 0.00 6.91 5.12 0.18 74.07 Average: 2 13.31 0.00 7.20 5.63 0.19 73.68 Average: 3 13.25 0.00 7.18 4.94 0.17 74.46