---> uname -a: Linux e291559640fd 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 11.5G 38.5G 23% / 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 11.5G 38.5G 23% /etc/resolv.conf /dev/vda1 50.0G 11.5G 38.5G 23% /etc/hostname /dev/vda1 50.0G 11.5G 38.5G 23% /etc/hosts /dev/vda1 50.0G 11.5G 38.5G 23% /var/log/sa-host /dev/vda1 50.0G 11.5G 38.5G 23% /w/workspace/edgex-go/3 /dev/vda1 50.0G 11.5G 38.5G 23% /w/workspace/edgex-go/3@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 612 119 0 1105 1137 Swap: 1023 82 941 ---> 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 106: eth0@if107: 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) 09/22/20 _x86_64_ (4 CPU) 04:01:05 LINUX RESTART (4 CPU) 04:02:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:03:01 97.15 46.61 50.54 0.00 7889.77 18040.34 0.00 04:04:01 275.90 62.28 213.62 0.00 3767.40 64111.29 0.00 04:05:01 292.77 201.20 91.57 0.00 8756.76 8062.71 0.00 04:06:02 1015.61 777.61 238.00 0.00 88548.09 165755.16 0.00 04:07:02 2455.03 2099.36 355.67 0.00 158458.14 160148.05 0.00 04:08:01 978.14 668.69 309.45 0.00 57657.65 87975.66 0.00 04:09:01 2561.34 2203.48 357.86 0.00 134057.86 146446.50 0.00 04:10:01 636.62 391.11 245.51 0.00 26384.18 39164.73 0.00 04:11:01 6.08 0.18 5.90 0.00 6.39 199.33 0.00 04:12:01 0.82 0.50 0.32 0.00 17.05 3.71 0.00 04:13:01 0.32 0.05 0.27 0.00 0.53 3.23 0.00 04:14:02 0.23 0.00 0.23 0.00 0.00 3.40 0.00 04:15:01 0.27 0.02 0.25 0.00 0.54 2.78 0.00 04:16:01 0.72 0.52 0.20 0.00 13.19 1.62 0.00 04:17:01 2.01 1.28 0.73 0.00 47.69 14.74 0.00 04:18:01 0.27 0.02 0.25 0.00 1.07 2.86 0.00 04:19:01 0.45 0.05 0.40 0.00 0.93 6.19 0.00 04:20:01 0.33 0.02 0.32 0.00 0.53 5.10 0.00 04:21:01 0.22 0.00 0.22 0.00 0.00 3.38 0.00 04:22:01 0.62 0.37 0.25 0.00 150.54 2.30 0.00 04:23:01 0.17 0.00 0.17 0.00 0.00 1.77 0.00 Average: 396.14 307.04 89.10 0.00 23120.66 32896.16 0.00 04:02:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:03:01 351812 0 573848 30.50 2620 953276 1093124 37.31 586976 784676 120 04:04:01 363712 0 655128 34.82 1492 861224 1125264 38.40 526640 754612 16 04:05:01 248596 0 761368 40.46 1304 870288 1416808 48.35 741540 646880 17620 04:06:02 272268 0 681872 36.24 84 927332 1644384 56.12 645408 800412 16948 04:07:02 293404 0 981132 52.14 84 606936 3847324 131.30 739608 641916 0 04:08:01 75824 0 832352 44.24 84 973296 2389724 81.56 781704 822232 3352 04:09:01 66384 0 706080 37.53 84 1109008 2401952 81.97 611540 1008352 52 04:10:01 475384 0 550652 29.27 84 855436 1207696 41.22 418540 791264 20 04:11:01 488544 0 537304 28.56 84 855624 1123848 38.35 409988 790204 12 04:12:01 488228 0 537132 28.55 84 856112 1117872 38.15 410972 790316 8 04:13:01 489384 0 535980 28.49 84 856108 1117728 38.15 410192 790320 8 04:14:02 489480 0 535860 28.48 84 856132 1117680 38.14 409816 790332 8 04:15:01 489560 0 535784 28.48 84 856128 1117680 38.14 409944 790332 8 04:16:01 488568 0 535832 28.48 84 857072 1118132 38.16 410196 791092 8 04:17:01 487372 0 536852 28.53 84 857248 1117752 38.15 410408 791232 8 04:18:01 487160 0 537076 28.54 84 857236 1117836 38.15 410748 791232 8 04:19:01 486868 0 537340 28.56 84 857264 1117896 38.15 410500 791280 8 04:20:01 487692 0 536504 28.51 84 857276 1117680 38.14 410060 791292 16 04:21:01 487576 0 536600 28.52 84 857296 1117680 38.14 410064 791308 8 04:22:01 480272 0 539380 28.67 84 861820 1117752 38.15 415484 793132 16 04:23:01 479716 0 539900 28.69 84 861856 1117872 38.15 415804 793140 28 Average: 403705 0 605904 32.20 330 871618 1412556 48.21 495054 787407 1822 04:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:03:01 eth0 1854.93 1766.97 4422.91 2523.33 0.00 0.00 0.00 0.00 04:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:03:01 docker0 1009.25 684.01 76.23 2653.69 0.00 0.00 0.00 0.00 04:04:01 eth0 705.27 552.79 4776.57 426.60 0.00 0.00 0.00 0.00 04:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:04:01 docker0 139.65 170.61 9.70 835.36 0.00 0.00 0.00 0.00 04:05:01 eth0 57.11 34.81 45.81 53.08 0.00 0.00 0.00 0.00 04:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:05:01 vetha8b0f81 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 04:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:06:02 veth6a91137 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 04:06:02 eth0 215.02 181.15 1679.01 72.61 0.00 0.00 0.00 0.00 04:06:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:06:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:07:02 veth6a91137 0.00 0.34 0.00 0.01 0.00 0.00 0.00 0.00 04:07:02 eth0 68.91 48.52 176.29 22.60 0.00 0.00 0.00 0.00 04:07:02 vethee80d7e 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 04:07:02 veth392e928 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 04:08:01 veth6a91137 0.00 0.19 0.00 0.01 0.00 0.00 0.00 0.00 04:08:01 vethec25b19 0.00 0.19 0.00 0.01 0.00 0.00 0.00 0.00 04:08:01 eth0 82.16 51.49 232.38 88.32 0.00 0.00 0.00 0.00 04:08:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 04:09:01 veth6a91137 0.00 0.12 0.00 0.00 0.00 0.00 0.00 0.00 04:09:01 vethbe9a713 0.00 0.17 0.00 0.01 0.00 0.00 0.00 0.00 04:09:01 eth0 57.12 36.07 93.43 50.94 0.00 0.00 0.00 0.00 04:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:01 eth0 108.18 69.28 438.77 80.35 0.00 0.00 0.00 0.00 04:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:01 docker0 1223.57 964.36 90.40 4237.15 0.00 0.00 0.00 0.00 04:11:01 eth0 0.63 0.20 0.44 0.05 0.00 0.00 0.00 0.00 04:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 eth0 0.77 0.52 0.36 0.27 0.00 0.00 0.00 0.00 04:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 eth0 0.22 0.20 0.10 0.02 0.00 0.00 0.00 0.00 04:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:02 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:14:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 eth0 0.68 0.17 0.13 0.07 0.00 0.00 0.00 0.00 04:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 eth0 1.08 0.48 0.41 0.21 0.00 0.00 0.00 0.00 04:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 eth0 0.47 0.43 0.27 0.21 0.00 0.00 0.00 0.00 04:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 eth0 0.83 0.20 0.14 0.07 0.00 0.00 0.00 0.00 04:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 eth0 0.50 0.33 0.32 0.20 0.00 0.00 0.00 0.00 04:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 150.51 130.94 567.02 158.29 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 58.42 46.04 4.32 202.31 0.00 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) 09/22/20 _x86_64_ (4 CPU) 04:01:05 LINUX RESTART (4 CPU) 04:02:01 CPU %user %nice %system %iowait %steal %idle 04:03:01 all 17.18 0.00 6.15 1.76 0.02 74.89 04:03:01 0 16.12 0.00 8.62 0.12 0.02 75.13 04:03:01 1 17.99 0.00 4.45 1.60 0.02 75.94 04:03:01 2 22.55 0.00 6.20 4.30 0.02 66.94 04:03:01 3 12.03 0.00 5.39 1.01 0.03 81.54 04:04:01 all 12.68 0.00 8.93 5.41 0.03 72.96 04:04:01 0 11.55 0.00 9.33 3.67 0.03 75.42 04:04:01 1 15.82 0.00 8.22 4.91 0.02 71.03 04:04:01 2 12.49 0.00 8.46 7.19 0.03 71.83 04:04:01 3 10.83 0.00 9.71 5.86 0.02 73.59 04:05:01 all 50.04 0.00 15.12 4.82 0.02 30.00 04:05:01 0 50.16 0.00 15.21 5.07 0.02 29.55 04:05:01 1 50.55 0.00 14.90 4.28 0.03 30.23 04:05:01 2 49.61 0.00 14.91 4.28 0.02 31.19 04:05:01 3 49.83 0.00 15.47 5.64 0.02 29.05 04:06:02 all 23.31 0.00 18.04 7.29 0.04 51.32 04:06:02 0 24.84 0.00 17.76 7.01 0.05 50.34 04:06:02 1 24.66 0.00 17.80 6.27 0.03 51.23 04:06:02 2 21.49 0.00 18.54 7.66 0.05 52.26 04:06:02 3 22.25 0.00 18.05 8.21 0.03 51.46 04:07:02 all 27.50 0.00 23.66 28.30 0.05 20.49 04:07:02 0 27.39 0.00 23.49 28.79 0.05 20.28 04:07:02 1 27.11 0.00 23.97 29.15 0.05 19.72 04:07:02 2 28.68 0.00 23.04 26.97 0.05 21.26 04:07:02 3 26.80 0.00 24.16 28.29 0.04 20.72 04:08:01 all 47.56 0.00 17.55 19.77 0.02 15.11 04:08:01 0 47.23 0.00 16.54 26.54 0.02 9.67 04:08:01 1 47.96 0.00 16.64 15.87 0.02 19.51 04:08:01 2 48.74 0.00 18.24 15.10 0.02 17.91 04:08:01 3 46.30 0.00 18.80 21.54 0.02 13.35 04:09:01 all 36.05 0.00 22.78 27.21 0.05 13.91 04:09:01 0 35.19 0.00 22.76 28.60 0.05 13.40 04:09:01 1 35.93 0.00 22.25 24.14 0.07 17.61 04:09:01 2 36.48 0.00 22.83 27.97 0.05 12.68 04:09:01 3 36.62 0.00 23.30 28.12 0.03 11.93 04:10:01 all 23.22 0.00 11.08 15.58 0.01 50.11 04:10:01 0 24.78 0.00 11.16 12.95 0.03 51.07 04:10:01 1 21.13 0.00 10.62 15.20 0.02 53.04 04:10:01 2 24.30 0.00 11.60 18.44 0.00 45.65 04:10:01 3 22.66 0.00 10.93 15.71 0.00 50.69 04:11:01 all 0.16 0.00 0.05 0.01 0.00 99.77 04:11:01 0 0.52 0.00 0.05 0.00 0.00 99.43 04:11:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:11:01 2 0.02 0.00 0.08 0.03 0.00 99.87 04:11:01 3 0.07 0.00 0.05 0.00 0.02 99.87 04:12:01 all 0.17 0.00 0.03 0.00 0.00 99.80 04:12:01 0 0.53 0.00 0.02 0.00 0.00 99.45 04:12:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:12:01 2 0.05 0.00 0.02 0.00 0.00 99.93 04:12:01 3 0.03 0.00 0.05 0.00 0.00 99.92 04:13:01 all 0.15 0.00 0.03 0.00 0.00 99.82 04:13:01 0 0.52 0.00 0.03 0.00 0.00 99.45 04:13:01 1 0.03 0.00 0.02 0.00 0.00 99.95 04:13:01 2 0.05 0.00 0.05 0.00 0.00 99.90 04:13:01 3 0.02 0.00 0.02 0.00 0.00 99.97 04:13:01 CPU %user %nice %system %iowait %steal %idle 04:14:02 all 0.15 0.00 0.03 0.00 0.00 99.83 04:14:02 0 0.52 0.00 0.02 0.00 0.00 99.47 04:14:02 1 0.03 0.00 0.03 0.00 0.00 99.93 04:14:02 2 0.02 0.00 0.03 0.00 0.00 99.95 04:14:02 3 0.02 0.00 0.03 0.00 0.00 99.95 04:15:01 all 0.17 0.00 0.02 0.00 0.00 99.81 04:15:01 0 0.54 0.00 0.02 0.00 0.00 99.44 04:15:01 1 0.05 0.00 0.02 0.00 0.00 99.93 04:15:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:15:01 3 0.03 0.00 0.02 0.02 0.00 99.93 04:16:01 all 0.14 0.00 0.03 0.01 0.00 99.82 04:16:01 0 0.50 0.00 0.02 0.02 0.00 99.47 04:16:01 1 0.03 0.00 0.03 0.02 0.00 99.92 04:16:01 2 0.02 0.00 0.03 0.02 0.00 99.93 04:16:01 3 0.02 0.00 0.03 0.00 0.00 99.95 04:17:01 all 0.16 0.00 0.05 0.02 0.00 99.77 04:17:01 0 0.52 0.00 0.03 0.00 0.00 99.45 04:17:01 1 0.07 0.00 0.12 0.08 0.00 99.73 04:17:01 2 0.03 0.00 0.00 0.00 0.00 99.97 04:17:01 3 0.02 0.00 0.05 0.00 0.00 99.93 04:18:01 all 0.16 0.00 0.02 0.00 0.00 99.81 04:18:01 0 0.48 0.00 0.00 0.00 0.00 99.52 04:18:01 1 0.07 0.00 0.03 0.00 0.02 99.88 04:18:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:18:01 3 0.03 0.00 0.03 0.00 0.00 99.93 04:19:01 all 0.08 0.00 0.04 0.00 0.00 99.88 04:19:01 0 0.17 0.00 0.07 0.00 0.00 99.77 04:19:01 1 0.07 0.00 0.05 0.00 0.00 99.88 04:19:01 2 0.03 0.00 0.03 0.00 0.02 99.92 04:19:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:20:01 all 0.11 0.00 0.03 0.00 0.00 99.86 04:20:01 0 0.33 0.00 0.03 0.00 0.00 99.63 04:20:01 1 0.03 0.00 0.05 0.00 0.00 99.92 04:20:01 2 0.03 0.00 0.03 0.00 0.00 99.93 04:20:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:21:01 all 0.16 0.00 0.02 0.00 0.00 99.82 04:21:01 0 0.50 0.00 0.03 0.00 0.00 99.47 04:21:01 1 0.05 0.00 0.02 0.00 0.00 99.93 04:21:01 2 0.03 0.00 0.02 0.00 0.00 99.95 04:21:01 3 0.05 0.00 0.03 0.00 0.00 99.92 04:22:01 all 0.15 0.00 0.03 0.01 0.00 99.81 04:22:01 0 0.50 0.00 0.02 0.00 0.00 99.48 04:22:01 1 0.03 0.00 0.05 0.03 0.00 99.88 04:22:01 2 0.03 0.00 0.02 0.00 0.00 99.95 04:22:01 3 0.03 0.00 0.03 0.00 0.00 99.93 04:23:01 all 0.15 0.00 0.03 0.00 0.00 99.82 04:23:01 0 0.48 0.00 0.03 0.00 0.00 99.48 04:23:01 1 0.03 0.00 0.00 0.00 0.00 99.97 04:23:01 2 0.07 0.00 0.07 0.00 0.00 99.87 04:23:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 11.23 0.00 5.79 5.14 0.01 77.83 Average: 0 11.43 0.00 5.87 5.27 0.01 77.42 Average: 1 11.36 0.00 5.60 4.74 0.01 78.29 Average: 2 11.48 0.00 5.82 5.24 0.01 77.45 Average: 3 10.65 0.00 5.89 5.31 0.01 78.14