---> uname -a: Linux 215a78893ffe 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: 2933.442 BogoMIPS: 5866.88 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 13.0G 37.0G 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 13.0G 37.0G 26% /etc/resolv.conf /dev/vda1 50.0G 13.0G 37.0G 26% /etc/hostname /dev/vda1 50.0G 13.0G 37.0G 26% /etc/hosts /dev/vda1 50.0G 13.0G 37.0G 26% /var/log/sa /dev/vda1 50.0G 13.0G 37.0G 26% /w/workspace/edgex-go/115 /dev/vda1 50.0G 13.0G 37.0G 26% /w/workspace/edgex-go/115@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 701 130 0 1005 1080 Swap: 1023 70 953 ---> 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 198: eth0@if199: 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) 07/28/20 _x86_64_ (4 CPU) 17:01:54 LINUX RESTART 17:03:02 tps rtps wtps bread/s bwrtn/s 17:04:02 327.66 204.19 123.47 8671.02 57700.74 17:05:05 319.27 93.17 226.10 14644.01 87514.27 17:06:01 2582.25 2248.81 333.44 163254.70 180578.27 17:07:01 427.19 181.80 245.39 23026.18 58549.99 17:08:01 1458.31 1145.75 312.56 98665.48 109137.11 17:09:02 830.58 501.11 329.47 36503.30 66250.37 17:10:01 195.41 155.15 40.27 9686.12 3756.58 17:11:01 35.50 31.83 3.66 548.38 86.53 17:12:01 0.55 0.00 0.55 0.00 9.28 17:13:01 0.85 0.48 0.37 18.25 5.11 17:14:01 0.42 0.00 0.42 0.00 5.83 17:15:01 0.33 0.03 0.30 0.67 4.55 17:16:01 0.33 0.02 0.32 0.27 4.35 17:17:01 2.06 1.68 0.38 55.28 5.88 17:18:01 0.83 0.03 0.80 1.07 16.62 17:19:01 173.60 45.71 127.90 3212.65 33014.03 17:20:01 40.60 11.55 29.05 286.60 492.38 17:21:01 36.57 10.10 26.46 291.34 423.19 17:22:01 42.66 12.55 30.12 299.77 466.49 17:23:02 40.96 12.92 28.05 491.88 450.57 17:24:01 237.27 84.16 153.11 6081.25 35620.67 Average: 315.64 220.13 95.51 17036.06 29936.92 17:03:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:04:02 90592 1790964 95.19 1708 1124352 1510292 51.54 659572 938488 26580 17:05:05 74492 1807064 96.04 348 1174552 1222024 41.71 764792 838132 92616 17:06:01 95076 1786480 94.95 32 1155884 1522968 51.98 618676 995740 2452 17:07:01 113004 1768552 93.99 32 1133564 1353508 46.19 715280 841984 0 17:08:01 534256 1347300 71.61 32 734596 1907408 65.10 565948 578192 7808 17:09:02 315992 1565564 83.21 32 1018984 1579176 53.89 489044 863088 1224 17:10:01 364756 1516800 80.61 32 983376 1424152 48.60 417356 885944 28 17:11:01 385592 1495964 79.51 32 989892 1161152 39.63 388608 897532 16 17:12:01 389388 1492168 79.31 32 989896 1130300 38.58 388036 895288 8 17:13:01 388872 1492684 79.33 32 990392 1130372 38.58 388300 895808 8 17:14:01 389760 1491796 79.29 32 990404 1130300 38.58 387920 895820 8 17:15:01 388940 1492616 79.33 32 990416 1130396 38.58 390724 893824 8 17:16:01 388848 1492708 79.33 32 990416 1130360 38.58 390532 893820 8 17:17:01 387728 1493828 79.39 32 991432 1130300 38.58 390396 894628 8 17:18:01 386748 1494808 79.45 32 991460 1130492 38.58 391384 894608 8 17:19:01 153076 1728480 91.86 32 1157800 1438540 49.09 571332 913536 40 17:20:01 172944 1708612 90.81 32 1158088 1347320 45.98 553104 914180 44 17:21:01 166360 1715196 91.16 32 1158364 1339252 45.71 559868 913864 40 17:22:01 163556 1718000 91.31 32 1158444 1154312 39.39 564016 913728 28 17:23:02 179764 1701792 90.45 32 1141548 1332212 45.47 560932 900040 44 17:24:01 76112 1805444 95.95 0 1102204 1356876 46.31 649188 842780 60600 Average: 266946 1614610 85.81 125 1053622 1312462 44.79 514524 881001 9123 17:03:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:04:02 eth0 1850.49 1551.11 8376.11 2870.71 0.00 0.00 0.00 17:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:02 docker0 872.44 717.25 70.27 2686.78 0.00 0.00 0.00 17:05:05 eth0 377.30 252.46 3289.95 69.85 0.00 0.00 0.00 17:05:05 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:05 veth842af47 0.00 0.13 0.00 0.01 0.00 0.00 0.00 17:05:05 docker0 935.66 815.90 74.73 3198.87 0.00 0.00 0.00 17:06:01 eth0 53.25 34.84 176.23 23.53 0.00 0.00 0.00 17:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 veth842af47 0.00 0.32 0.00 0.01 0.00 0.00 0.00 17:06:01 docker0 20.29 27.97 1.19 157.44 0.00 0.00 0.00 17:07:01 eth0 44.17 26.52 102.09 42.47 0.00 0.00 0.00 17:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 veth842af47 0.00 0.14 0.00 0.01 0.00 0.00 0.00 17:07:01 docker0 6.90 12.13 0.37 77.40 0.00 0.00 0.00 17:08:01 veth4050c8b 3.68 4.17 0.48 19.61 0.00 0.00 0.00 17:08:01 eth0 3405.56 2460.14 15967.92 3109.59 0.00 0.00 0.00 17:08:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:08:01 veth52e07df 0.00 0.28 0.00 0.02 0.00 0.00 0.00 17:09:02 eth0 110.57 70.42 263.96 90.93 0.00 0.00 0.00 17:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:09:02 veth0642cca 0.00 0.12 0.00 0.01 0.00 0.00 0.00 17:09:02 veth842af47 0.00 0.98 0.00 0.05 0.00 0.00 0.00 17:10:01 eth0 402.44 417.69 198.98 1710.70 0.00 0.00 0.00 17:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 docker0 1079.01 1002.52 84.68 4238.21 0.00 0.00 0.00 17:11:01 eth0 30.45 27.86 17.26 46.61 0.00 0.00 0.00 17:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 17:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 eth0 0.25 0.18 0.08 0.07 0.00 0.00 0.00 17:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 17:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 eth0 0.50 0.33 0.27 0.20 0.00 0.00 0.00 17:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 eth0 0.50 0.47 1.46 0.03 0.00 0.00 0.00 17:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:17:01 eth0 0.20 0.08 0.01 0.01 0.00 0.00 0.00 17:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:01 eth0 1.00 0.42 0.44 0.26 0.00 0.00 0.00 17:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:19:01 eth0 233.21 171.60 4051.81 81.35 0.00 0.00 0.00 17:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:19:01 veth693e907 0.45 0.45 0.11 0.20 0.00 0.00 0.00 17:19:01 docker0 1094.31 1018.08 86.78 4297.51 0.00 0.00 0.00 17:20:01 eth0 102.51 80.74 95.99 90.71 0.00 0.00 0.00 17:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 vethf83d41a 0.32 0.37 0.07 0.15 0.00 0.00 0.00 17:20:01 docker0 4.18 3.85 1.13 1.95 0.00 0.00 0.00 17:21:01 veth533ae8c 0.32 0.37 0.07 0.14 0.00 0.00 0.00 17:21:01 eth0 4438.50 3340.45 20858.21 5227.62 0.00 0.00 0.00 17:21:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:21:01 docker0 3.76 3.36 0.94 1.67 0.00 0.00 0.00 17:22:01 eth0 116.94 92.56 109.51 101.39 0.00 0.00 0.00 17:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:22:01 docker0 4.19 3.74 1.03 1.85 0.00 0.00 0.00 17:23:02 veth8f2f831 0.40 0.55 0.13 0.23 0.00 0.00 0.00 17:23:02 eth0 4666.59 3519.47 21069.16 5425.27 0.00 0.00 0.00 17:23:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:23:02 docker0 1110.44 1032.67 90.88 4304.76 0.00 0.00 0.00 17:24:01 veth17a59c3 17.91 27.57 1.23 177.54 0.00 0.00 0.00 17:24:01 eth0 2491.05 1638.91 6425.86 235.45 0.00 0.00 0.00 17:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:24:01 docker0 18.72 28.23 1.28 177.95 0.00 0.00 0.00 Average: veth17a59c3 0.84 1.29 0.06 8.34 0.00 0.00 0.00 Average: eth0 339.75 244.98 1307.60 270.08 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 53.90 50.63 4.40 213.88 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) 07/28/20 _x86_64_ (4 CPU) 17:01:54 LINUX RESTART 17:03:02 CPU %user %nice %system %iowait %steal %idle 17:04:02 all 23.22 0.00 8.99 1.69 0.13 65.97 17:04:02 0 30.06 0.00 10.82 0.83 0.10 58.18 17:04:02 1 13.64 0.00 8.68 2.18 0.10 75.40 17:04:02 2 20.51 0.00 7.98 2.07 0.10 69.33 17:04:02 3 28.73 0.00 8.42 1.69 0.17 60.99 17:05:05 all 11.77 0.00 9.92 12.93 0.07 65.31 17:05:05 0 13.01 0.00 10.18 12.27 0.08 64.45 17:05:05 1 10.78 0.00 10.78 12.58 0.08 65.78 17:05:05 2 10.59 0.00 10.26 12.91 0.05 66.20 17:05:05 3 12.68 0.00 8.49 13.99 0.08 64.76 17:06:01 all 21.48 0.00 23.03 27.16 0.21 28.12 17:06:01 0 21.54 0.00 22.87 31.72 0.22 23.65 17:06:01 1 21.35 0.00 23.08 25.76 0.22 29.58 17:06:01 2 21.65 0.00 22.85 25.81 0.24 29.44 17:06:01 3 21.39 0.00 23.33 25.29 0.17 29.82 17:07:01 all 50.01 0.00 15.24 18.54 0.03 16.19 17:07:01 0 49.89 0.00 15.40 16.88 0.02 17.82 17:07:01 1 49.57 0.00 15.44 19.22 0.03 15.73 17:07:01 2 50.55 0.00 14.73 17.72 0.02 16.98 17:07:01 3 50.03 0.00 15.37 20.35 0.02 14.23 17:08:01 all 29.41 0.00 16.99 34.38 0.05 19.17 17:08:01 0 30.16 0.00 16.67 34.72 0.07 18.38 17:08:01 1 29.33 0.00 16.78 29.37 0.05 24.47 17:08:01 2 28.48 0.00 17.27 32.14 0.05 22.06 17:08:01 3 29.71 0.00 17.23 41.36 0.05 11.66 17:09:02 all 36.44 0.00 17.71 23.69 0.05 22.11 17:09:02 0 35.04 0.00 17.12 25.03 0.05 22.75 17:09:02 1 38.21 0.00 17.50 22.01 0.05 22.23 17:09:02 2 36.08 0.00 17.30 24.82 0.05 21.74 17:09:02 3 36.39 0.00 18.94 22.86 0.09 21.73 17:10:01 all 12.51 0.00 5.24 4.27 0.03 77.96 17:10:01 0 12.40 0.00 6.17 2.89 0.02 78.53 17:10:01 1 12.71 0.00 5.53 6.50 0.02 75.24 17:10:01 2 12.41 0.00 4.42 2.96 0.03 80.17 17:10:01 3 12.53 0.00 4.82 4.73 0.02 77.90 17:11:01 all 0.69 0.00 0.40 0.91 0.00 98.00 17:11:01 0 0.53 0.00 0.37 0.37 0.02 98.71 17:11:01 1 0.73 0.00 0.60 1.97 0.00 96.70 17:11:01 2 0.93 0.00 0.37 0.88 0.00 97.82 17:11:01 3 0.55 0.00 0.23 0.42 0.02 98.78 17:12:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:12:01 0 0.03 0.00 0.05 0.00 0.00 99.92 17:12:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:12:01 2 0.52 0.00 0.03 0.00 0.00 99.45 17:12:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:13:01 all 0.15 0.00 0.02 0.00 0.00 99.82 17:13:01 0 0.05 0.00 0.05 0.00 0.00 99.90 17:13:01 1 0.02 0.00 0.03 0.00 0.00 99.95 17:13:01 2 0.52 0.00 0.00 0.00 0.00 99.48 17:13:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:14:01 all 0.15 0.00 0.02 0.00 0.00 99.83 17:14:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:14:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:14:01 2 0.53 0.00 0.03 0.00 0.00 99.43 17:14:01 3 0.02 0.00 0.02 0.00 0.00 99.97 17:15:01 all 0.16 0.00 0.02 0.00 0.00 99.81 17:15:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:15:01 1 0.03 0.00 0.02 0.02 0.00 99.93 17:15:01 2 0.52 0.00 0.03 0.00 0.00 99.45 17:15:01 3 0.05 0.00 0.03 0.00 0.00 99.92 17:16:01 all 0.13 0.00 0.04 0.00 0.00 99.83 17:16:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:16:01 1 0.02 0.00 0.02 0.00 0.00 99.97 17:16:01 2 0.43 0.00 0.05 0.02 0.00 99.50 17:16:01 3 0.05 0.00 0.05 0.00 0.00 99.90 17:17:01 all 0.05 0.00 0.07 0.02 0.00 99.86 17:17:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:17:01 1 0.05 0.00 0.07 0.00 0.00 99.88 17:17:01 2 0.07 0.00 0.10 0.07 0.00 99.77 17:17:01 3 0.03 0.00 0.07 0.00 0.00 99.90 17:18:01 all 0.14 0.00 0.03 0.00 0.00 99.83 17:18:01 0 0.03 0.00 0.02 0.00 0.00 99.95 17:18:01 1 0.03 0.00 0.05 0.00 0.00 99.92 17:18:01 2 0.45 0.00 0.02 0.00 0.00 99.53 17:18:01 3 0.07 0.00 0.02 0.00 0.00 99.92 17:19:01 all 9.22 0.00 7.08 4.21 0.05 79.44 17:19:01 0 9.57 0.00 7.22 4.97 0.07 78.16 17:19:01 1 9.18 0.00 7.13 2.11 0.05 81.53 17:19:01 2 8.65 0.00 7.20 2.80 0.03 81.31 17:19:01 3 9.46 0.00 6.75 6.97 0.07 76.76 17:20:01 all 3.58 0.00 3.66 0.75 0.02 91.99 17:20:01 0 3.47 0.00 3.89 0.64 0.03 91.97 17:20:01 1 3.96 0.00 4.00 0.92 0.02 91.10 17:20:01 2 2.67 0.00 2.94 0.64 0.03 93.72 17:20:01 3 4.23 0.00 3.85 0.81 0.02 91.10 17:21:01 all 3.46 0.00 3.54 0.67 0.03 92.30 17:21:01 0 3.44 0.00 3.82 0.62 0.02 92.10 17:21:01 1 3.22 0.00 3.33 0.92 0.02 92.51 17:21:01 2 3.48 0.00 3.54 0.49 0.05 92.44 17:21:01 3 3.72 0.00 3.45 0.66 0.03 92.15 17:22:01 all 3.86 0.00 4.10 0.81 0.03 91.20 17:22:01 0 3.98 0.00 4.65 1.16 0.02 90.20 17:22:01 1 3.59 0.00 3.94 0.49 0.02 91.97 17:22:01 2 3.89 0.00 3.72 0.81 0.03 91.54 17:22:01 3 3.99 0.00 4.11 0.76 0.03 91.11 17:23:02 all 3.56 0.00 3.65 0.79 0.04 91.96 17:23:02 0 3.74 0.00 3.99 0.84 0.07 91.36 17:23:02 1 3.51 0.00 3.68 0.74 0.03 92.03 17:23:02 2 3.57 0.00 3.57 0.65 0.02 92.18 17:23:02 3 3.48 0.00 3.34 0.91 0.05 92.22 17:24:01 all 13.83 0.00 10.35 2.80 0.07 72.95 17:24:01 0 12.69 0.00 12.25 3.30 0.04 71.72 17:24:01 1 12.29 0.00 10.75 3.63 0.12 73.21 17:24:01 2 12.66 0.00 8.93 2.38 0.07 75.97 17:24:01 3 17.63 0.00 9.51 1.93 0.05 70.88 Average: all 10.49 0.00 6.07 6.23 0.04 77.17 Average: 0 10.77 0.00 6.34 6.36 0.04 76.50 Average: 1 9.95 0.00 6.14 6.00 0.04 77.87 Average: 2 10.27 0.00 5.86 5.94 0.04 77.91 Average: 3 10.97 0.00 5.95 6.64 0.04 76.41