---> uname -a: Linux 23a638b6ea0d 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/25 /dev/vda1 50.0G 12.5G 37.4G 25% /w/workspace/edgex-go/25@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 657 117 0 1061 1096 Swap: 1023 74 949 ---> 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 104: eth0@if105: 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) 08/03/20 _x86_64_ (4 CPU) 13:32:52 LINUX RESTART 13:34:01 tps rtps wtps bread/s bwrtn/s 13:35:01 376.59 242.58 134.01 10036.36 62238.89 13:36:01 377.60 182.91 194.70 8333.89 36912.57 13:37:02 190.88 89.28 101.60 3874.95 36937.31 13:38:01 1476.20 1174.88 301.32 122750.36 185001.76 13:39:02 1620.98 1351.95 269.03 129759.39 138136.58 13:40:01 1483.93 1146.14 337.79 81934.79 112056.26 13:41:02 1925.67 1600.03 325.64 127801.40 137646.09 13:42:01 301.00 95.28 205.71 7718.14 18663.08 13:43:01 1.57 0.08 1.48 1.47 23.80 13:44:01 0.78 0.45 0.33 16.92 4.15 13:45:02 0.35 0.03 0.32 0.80 3.41 13:46:01 0.24 0.02 0.22 0.54 2.66 13:47:01 0.28 0.00 0.28 0.00 3.30 13:48:01 1.68 1.43 0.25 49.97 3.66 13:49:01 1.20 0.45 0.75 134.84 13.71 13:50:01 0.30 0.00 0.30 0.00 3.43 13:51:01 0.25 0.02 0.23 0.53 2.73 13:52:01 0.25 0.00 0.25 0.00 3.15 Average: 432.62 328.38 104.24 27470.77 40533.23 13:34:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:35:01 74440 1807116 96.04 1496 1074520 1546176 52.77 607636 991644 8600 13:36:01 392324 1489232 79.15 468 689592 1617056 55.19 654684 595384 39364 13:37:02 74260 1807296 96.05 456 1049664 1538160 52.49 681844 883068 91604 13:38:01 52904 1828652 97.19 4 1122096 1744492 59.54 706500 952204 44128 13:39:02 388972 1492584 79.33 4 604832 2463308 84.07 624492 650144 2772 13:40:01 78540 1803016 95.83 4 1152384 1558764 53.20 740108 866024 72732 13:41:02 78244 1803312 95.84 4 928452 2383492 81.34 745160 859228 18732 13:42:01 347244 1534312 81.54 4 933480 1241756 42.38 550176 773268 20 13:43:01 358000 1523556 80.97 4 933532 1162144 39.66 542156 772164 16 13:44:01 357992 1523564 80.97 4 934024 1162216 39.66 542380 772648 8 13:45:02 358040 1523516 80.97 4 934024 1162180 39.66 542308 772664 12 13:46:01 358036 1523520 80.97 4 934028 1162140 39.66 542312 772672 8 13:47:01 358152 1523404 80.97 4 934052 1162144 39.66 542316 772688 8 13:48:01 356720 1524836 81.04 4 934852 1162144 39.66 542332 773468 16 13:49:01 349704 1531852 81.41 4 938824 1162216 39.66 547900 774772 8 13:50:01 349604 1531952 81.42 4 938852 1162180 39.66 547828 774788 8 13:51:01 349724 1531832 81.41 4 938852 1162144 39.66 547716 774804 8 13:52:01 349576 1531980 81.42 4 938864 1162144 39.66 547844 774808 16 Average: 279582 1601974 85.14 138 939718 1428603 48.76 597538 794802 15448 13:34:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:35:01 eth0 1398.71 902.41 6759.89 2770.71 0.00 0.00 0.00 13:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:35:01 docker0 291.46 267.10 22.11 1156.85 0.00 0.00 0.00 13:36:01 veth8965212 0.00 0.13 0.00 0.01 0.00 0.00 0.00 13:36:01 eth0 3069.57 2227.05 13849.84 2979.00 0.00 0.00 0.00 13:36:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:36:01 docker0 963.67 866.43 77.31 3485.46 0.00 0.00 0.00 13:37:02 eth0 130.83 95.29 1698.31 89.72 0.00 0.00 0.00 13:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:37:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:38:01 vetheaa9bf8 0.00 0.10 0.00 0.01 0.00 0.00 0.00 13:38:01 eth0 3276.75 2373.61 15836.33 3105.56 0.00 0.00 0.00 13:38:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:38:01 vetha60fe6c 0.00 0.47 0.00 0.02 0.00 0.00 0.00 13:39:02 veth367e208 0.00 0.13 0.00 0.01 0.00 0.00 0.00 13:39:02 veth2fad5cf 0.00 0.13 0.00 0.01 0.00 0.00 0.00 13:39:02 veth753c9fe 0.00 0.13 0.00 0.01 0.00 0.00 0.00 13:39:02 eth0 3273.78 2371.17 15677.89 3120.61 0.00 0.00 0.00 13:40:01 eth0 113.79 80.68 273.79 87.02 0.00 0.00 0.00 13:40:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 13:40:01 vetha60fe6c 0.00 0.67 0.00 0.03 0.00 0.00 0.00 13:40:01 veth2dc50ef 0.00 0.12 0.00 0.01 0.00 0.00 0.00 13:41:02 veth444bf63 0.00 0.15 0.00 0.01 0.00 0.00 0.00 13:41:02 eth0 3374.73 2435.36 15780.90 3175.76 0.00 0.00 0.00 13:41:02 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 13:41:02 vetha60fe6c 0.00 0.69 0.00 0.03 0.00 0.00 0.00 13:42:01 eth0 113.24 64.29 443.17 72.24 0.00 0.00 0.00 13:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:42:01 docker0 1046.17 990.63 82.49 4307.60 0.00 0.00 0.00 13:43:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 13:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:44:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 13:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:45:02 eth0 0.37 0.32 0.43 0.02 0.00 0.00 0.00 13:45:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:45:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:46:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 13:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:47:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 13:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:48:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 13:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 eth0 0.20 0.17 0.08 0.07 0.00 0.00 0.00 13:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 eth0 0.17 0.13 0.07 0.01 0.00 0.00 0.00 13:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 13:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 13:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 119.43 77.47 611.04 175.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 25.49 27.23 1.89 132.88 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) 08/03/20 _x86_64_ (4 CPU) 13:32:52 LINUX RESTART 13:34:01 CPU %user %nice %system %iowait %steal %idle 13:35:01 all 20.57 0.00 8.28 2.61 0.05 68.49 13:35:01 0 15.82 0.00 8.90 2.19 0.05 73.04 13:35:01 1 21.59 0.00 7.48 1.64 0.03 69.26 13:35:01 2 24.68 0.00 7.49 3.41 0.03 64.39 13:35:01 3 20.21 0.00 9.28 3.19 0.05 67.27 13:36:01 all 32.14 0.00 11.61 10.31 0.04 45.90 13:36:01 0 31.18 0.00 12.73 7.82 0.03 48.24 13:36:01 1 31.50 0.00 11.57 12.30 0.03 44.60 13:36:01 2 34.01 0.00 11.04 11.49 0.05 43.41 13:36:01 3 31.85 0.00 11.08 9.65 0.03 47.38 13:37:02 all 38.26 0.00 11.66 2.69 0.03 47.35 13:37:02 0 37.18 0.00 11.72 1.64 0.03 49.42 13:37:02 1 38.28 0.00 11.14 2.86 0.03 47.69 13:37:02 2 38.07 0.00 11.98 3.36 0.05 46.54 13:37:02 3 39.52 0.00 11.81 2.89 0.03 45.75 13:38:01 all 17.89 0.00 19.11 24.46 0.08 38.46 13:38:01 0 17.03 0.00 18.47 22.87 0.09 41.55 13:38:01 1 20.14 0.00 18.97 24.20 0.09 36.61 13:38:01 2 16.72 0.00 19.66 27.11 0.07 36.44 13:38:01 3 17.67 0.00 19.35 23.66 0.07 39.25 13:39:02 all 44.83 0.00 18.93 20.83 0.12 15.29 13:39:02 0 44.60 0.00 18.48 19.51 0.12 17.28 13:39:02 1 44.66 0.00 19.00 20.81 0.10 15.43 13:39:02 2 45.84 0.00 18.52 21.46 0.10 14.08 13:39:02 3 44.24 0.00 19.69 21.53 0.15 14.39 13:40:01 all 23.18 0.00 17.44 32.76 0.07 26.56 13:40:01 0 23.58 0.00 16.96 32.72 0.03 26.70 13:40:01 1 22.40 0.00 17.07 31.22 0.07 29.24 13:40:01 2 22.46 0.00 17.23 32.16 0.10 28.04 13:40:01 3 24.29 0.00 18.51 34.95 0.05 22.20 13:41:02 all 48.56 0.00 20.58 22.87 0.08 7.90 13:41:02 0 48.09 0.00 21.25 21.77 0.08 8.82 13:41:02 1 48.20 0.00 21.09 23.39 0.07 7.26 13:41:02 2 48.02 0.00 19.60 22.92 0.12 9.34 13:41:02 3 49.96 0.00 20.39 23.42 0.07 6.16 13:42:01 all 15.85 0.00 7.91 11.29 0.05 64.90 13:42:01 0 14.57 0.00 8.19 11.36 0.07 65.81 13:42:01 1 15.81 0.00 7.34 11.83 0.05 64.97 13:42:01 2 17.35 0.00 7.95 10.48 0.03 64.19 13:42:01 3 15.65 0.00 8.15 11.50 0.03 64.67 13:43:01 all 0.16 0.00 0.04 0.00 0.00 99.80 13:43:01 0 0.05 0.00 0.07 0.00 0.00 99.88 13:43:01 1 0.52 0.00 0.05 0.00 0.00 99.43 13:43:01 2 0.03 0.00 0.03 0.00 0.02 99.92 13:43:01 3 0.03 0.00 0.02 0.00 0.00 99.95 13:44:01 all 0.15 0.00 0.02 0.00 0.00 99.82 13:44:01 0 0.03 0.00 0.03 0.02 0.02 99.90 13:44:01 1 0.53 0.00 0.02 0.00 0.00 99.45 13:44:01 2 0.03 0.00 0.03 0.00 0.00 99.93 13:44:01 3 0.02 0.00 0.02 0.00 0.00 99.97 13:45:02 all 0.15 0.00 0.03 0.00 0.00 99.82 13:45:02 0 0.05 0.00 0.03 0.00 0.00 99.92 13:45:02 1 0.52 0.00 0.02 0.00 0.00 99.47 13:45:02 2 0.03 0.00 0.05 0.00 0.00 99.92 13:45:02 3 0.03 0.00 0.03 0.00 0.00 99.93 13:46:01 all 0.17 0.00 0.03 0.00 0.00 99.80 13:46:01 0 0.05 0.00 0.05 0.00 0.00 99.90 13:46:01 1 0.52 0.00 0.02 0.00 0.00 99.46 13:46:01 2 0.03 0.00 0.02 0.00 0.00 99.95 13:46:01 3 0.03 0.00 0.02 0.00 0.00 99.95 13:47:01 all 0.15 0.00 0.02 0.00 0.00 99.83 13:47:01 0 0.05 0.00 0.03 0.00 0.00 99.92 13:47:01 1 0.53 0.00 0.02 0.00 0.00 99.45 13:47:01 2 0.02 0.00 0.00 0.00 0.00 99.98 13:47:01 3 0.02 0.00 0.05 0.00 0.00 99.93 13:48:01 all 0.15 0.00 0.05 0.03 0.00 99.77 13:48:01 0 0.02 0.00 0.05 0.00 0.00 99.93 13:48:01 1 0.55 0.00 0.12 0.10 0.00 99.23 13:48:01 2 0.02 0.00 0.03 0.00 0.00 99.95 13:48:01 3 0.02 0.00 0.03 0.00 0.00 99.95 13:49:01 all 0.16 0.00 0.04 0.01 0.00 99.79 13:49:01 0 0.05 0.00 0.08 0.03 0.00 99.83 13:49:01 1 0.53 0.00 0.00 0.00 0.00 99.47 13:49:01 2 0.03 0.00 0.02 0.02 0.00 99.93 13:49:01 3 0.03 0.00 0.02 0.00 0.02 99.93 13:50:01 all 0.15 0.00 0.03 0.00 0.00 99.83 13:50:01 0 0.03 0.00 0.05 0.00 0.00 99.92 13:50:01 1 0.53 0.00 0.03 0.00 0.00 99.43 13:50:01 2 0.02 0.00 0.02 0.00 0.00 99.97 13:50:01 3 0.00 0.00 0.02 0.00 0.00 99.98 13:51:01 all 0.16 0.00 0.03 0.00 0.00 99.81 13:51:01 0 0.07 0.00 0.05 0.00 0.00 99.88 13:51:01 1 0.52 0.00 0.03 0.00 0.00 99.45 13:51:01 2 0.03 0.00 0.02 0.00 0.00 99.95 13:51:01 3 0.02 0.00 0.03 0.00 0.00 99.95 13:52:01 all 0.06 0.00 0.03 0.00 0.00 99.91 13:52:01 0 0.05 0.00 0.03 0.00 0.00 99.92 13:52:01 1 0.15 0.00 0.05 0.00 0.00 99.80 13:52:01 2 0.03 0.00 0.02 0.00 0.00 99.95 13:52:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 13.35 0.00 6.35 6.98 0.03 73.29 Average: 0 12.79 0.00 6.43 6.56 0.03 74.19 Average: 1 13.62 0.00 6.25 7.01 0.03 73.09 Average: 2 13.62 0.00 6.23 7.24 0.03 72.88 Average: 3 13.36 0.00 6.47 7.11 0.03 73.02