---> uname -a: Linux 2643da4eedca 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/6 /dev/vda1 50.0G 12.9G 37.1G 26% /w/workspace/edgex-go/6@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 612 118 0 1106 1139 Swap: 1023 96 927 ---> 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) 08/12/20 _x86_64_ (4 CPU) 15:01:54 LINUX RESTART 15:03:02 tps rtps wtps bread/s bwrtn/s 15:04:01 361.96 230.73 131.22 8600.68 59193.84 15:05:01 337.43 158.46 178.97 8467.18 33285.62 15:06:01 185.86 83.70 102.16 3560.95 35028.70 15:07:03 1892.18 1560.65 331.53 134357.89 202941.61 15:08:01 1857.23 1598.70 258.53 114792.39 124231.92 15:09:02 1471.29 1122.42 348.87 79281.89 97061.99 15:10:01 2698.43 2343.15 355.28 162370.21 174708.95 15:11:01 990.17 702.56 287.61 45200.33 60446.23 15:12:01 1.60 0.27 1.33 9.19 18.64 15:13:02 1.47 1.13 0.33 202.50 3.58 15:14:01 0.42 0.14 0.29 1.49 3.29 15:15:01 0.82 0.62 0.20 7.33 2.73 15:16:01 0.35 0.05 0.30 0.80 3.30 15:17:01 2.15 1.92 0.23 65.81 3.75 15:18:01 0.80 0.05 0.75 1.20 13.78 15:19:01 0.73 0.02 0.72 0.27 7.84 15:20:01 0.17 0.02 0.15 0.53 1.60 15:21:01 0.40 0.02 0.38 0.27 6.30 15:22:01 103.71 49.91 53.80 5009.62 16123.17 Average: 520.96 412.78 108.17 29569.03 42325.64 15:03:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:04:01 109156 1772400 94.20 1492 1075392 1548176 52.84 609164 966632 29736 15:05:01 71988 1809568 96.17 640 827848 1933496 65.99 843872 728780 63656 15:06:01 203148 1678408 89.20 492 952532 1567468 53.49 661292 787900 61912 15:07:03 52868 1828688 97.19 0 1072224 2157036 73.62 704876 955264 88300 15:08:01 306148 1575408 83.73 0 690404 3065324 104.61 671152 684916 34728 15:09:02 65624 1815932 96.51 0 1123888 2044008 69.76 578300 1028924 96400 15:10:01 92428 1789128 95.09 0 885516 3292352 112.36 723656 862948 47140 15:11:01 768348 1113208 59.16 0 575296 1191524 40.66 422060 498096 16 15:12:01 773020 1108536 58.92 0 575648 1161376 39.64 418296 498092 16 15:13:02 764640 1116916 59.36 0 581636 1157324 39.50 423744 501224 8 15:14:01 764800 1116756 59.35 0 581640 1157264 39.50 423664 501256 8 15:15:01 764052 1117504 59.39 0 581652 1157396 39.50 423852 501484 8 15:16:01 764424 1117132 59.37 0 581668 1157264 39.50 423668 501516 20 15:17:01 762472 1119084 59.48 0 582996 1157264 39.50 424092 502468 16 15:18:01 762460 1119096 59.48 0 583004 1157336 39.50 423916 502472 8 15:19:01 763000 1118556 59.45 0 583016 1157264 39.50 424084 502472 8 15:20:01 762752 1118804 59.46 0 583024 1157264 39.50 424088 502496 8 15:21:01 762788 1118768 59.46 0 583028 1157300 39.50 424088 502500 8 15:22:01 132452 1749104 92.96 0 1146020 1361460 46.46 504416 1016824 110700 Average: 497188 1384368 73.58 138 745602 1565152 53.42 523804 660330 28037 15:03:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:04:01 eth0 1811.40 1686.16 8399.52 2886.21 0.00 0.00 0.00 15:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 docker0 1044.01 689.06 78.74 2692.76 0.00 0.00 0.00 15:05:01 eth0 368.27 316.05 1803.48 40.62 0.00 0.00 0.00 15:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 veth65f1781 0.00 0.13 0.00 0.01 0.00 0.00 0.00 15:05:01 docker0 1138.39 807.96 85.37 3373.91 0.00 0.00 0.00 15:06:01 eth0 110.43 81.87 1657.85 93.79 0.00 0.00 0.00 15:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:03 eth0 67.30 47.81 212.12 45.01 0.00 0.00 0.00 15:07:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:03 vethb5a66ea 0.00 0.39 0.00 0.02 0.00 0.00 0.00 15:07:03 docker0 1126.46 810.71 84.17 3440.48 0.00 0.00 0.00 15:08:01 veth334092e 0.00 0.14 0.00 0.01 0.00 0.00 0.00 15:08:01 veth14ca1d0 0.00 0.14 0.00 0.01 0.00 0.00 0.00 15:08:01 eth0 3320.43 2817.44 16108.92 3233.78 0.00 0.00 0.00 15:08:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:09:02 vethe4b74d7 0.00 0.10 0.00 0.01 0.00 0.00 0.00 15:09:02 eth0 155.68 101.80 562.46 81.04 0.00 0.00 0.00 15:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:02 vethb5a66ea 0.00 0.69 0.00 0.03 0.00 0.00 0.00 15:10:01 veth1b58d8b 0.00 0.20 0.00 0.01 0.00 0.00 0.00 15:10:01 eth0 62.07 38.21 120.93 65.57 0.00 0.00 0.00 15:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 veth6c6d1aa 0.00 0.20 0.00 0.01 0.00 0.00 0.00 15:11:01 eth0 75.16 52.85 106.58 67.84 0.00 0.00 0.00 15:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:11:01 docker0 1203.96 920.58 89.18 4156.60 0.00 0.00 0.00 15:12:01 eth0 0.27 0.22 0.37 0.03 0.00 0.00 0.00 15:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:02 eth0 0.23 0.20 0.08 0.07 0.00 0.00 0.00 15:13:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 eth0 0.50 0.32 0.27 0.20 0.00 0.00 0.00 15:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 eth0 0.30 0.22 0.14 0.07 0.00 0.00 0.00 15:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 15:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 eth0 0.18 0.12 0.07 0.01 0.00 0.00 0.00 15:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 eth0 109.51 79.24 2331.92 46.50 0.00 0.00 0.00 15:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 144.91 125.89 795.71 173.41 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 63.55 48.59 4.71 219.39 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) 08/12/20 _x86_64_ (4 CPU) 15:01:54 LINUX RESTART 15:03:02 CPU %user %nice %system %iowait %steal %idle 15:04:01 all 22.76 0.00 8.93 1.39 0.09 66.83 15:04:01 0 22.38 0.00 10.46 1.87 0.07 65.22 15:04:01 1 17.79 0.00 8.63 0.97 0.10 72.50 15:04:01 2 22.83 0.00 8.82 1.03 0.12 67.21 15:04:01 3 28.08 0.00 7.86 1.71 0.07 62.28 15:05:01 all 26.33 0.00 10.16 8.56 0.07 54.87 15:05:01 0 26.74 0.00 11.32 9.28 0.07 52.59 15:05:01 1 26.00 0.00 9.83 10.05 0.05 54.07 15:05:01 2 26.97 0.00 9.88 7.58 0.09 55.49 15:05:01 3 25.65 0.00 9.58 7.32 0.09 57.36 15:06:01 all 39.11 0.00 10.82 2.96 0.07 47.04 15:06:01 0 36.78 0.00 10.97 1.91 0.07 50.27 15:06:01 1 39.25 0.00 11.13 3.66 0.09 45.88 15:06:01 2 39.60 0.00 11.28 3.34 0.07 45.72 15:06:01 3 40.81 0.00 9.94 2.92 0.05 46.28 15:07:03 all 19.37 0.00 21.63 17.70 0.11 41.19 15:07:03 0 19.12 0.00 21.28 15.52 0.10 43.97 15:07:03 1 18.64 0.00 21.09 17.29 0.15 42.83 15:07:03 2 18.70 0.00 21.44 20.63 0.10 39.14 15:07:03 3 21.03 0.00 22.70 17.38 0.09 38.81 15:08:01 all 52.06 0.00 17.77 18.77 0.10 11.30 15:08:01 0 51.56 0.00 17.64 17.87 0.11 12.83 15:08:01 1 51.23 0.00 18.20 19.86 0.13 10.59 15:08:01 2 52.80 0.00 17.60 18.78 0.09 10.73 15:08:01 3 52.66 0.00 17.68 18.57 0.07 11.01 15:09:02 all 16.05 0.00 15.91 34.65 0.09 33.30 15:09:02 0 16.37 0.00 15.03 28.79 0.09 39.72 15:09:02 1 15.24 0.00 17.45 38.97 0.09 28.26 15:09:02 2 16.47 0.00 14.99 36.55 0.10 31.90 15:09:02 3 16.14 0.00 16.16 34.26 0.09 33.35 15:10:01 all 32.25 0.00 20.52 29.58 0.12 17.53 15:10:01 0 33.25 0.00 19.68 28.51 0.16 18.40 15:10:01 1 31.91 0.00 20.44 27.65 0.12 19.88 15:10:01 2 31.92 0.00 20.70 31.25 0.12 16.01 15:10:01 3 31.95 0.00 21.24 30.89 0.09 15.83 15:11:01 all 34.03 0.00 14.17 20.40 0.06 31.34 15:11:01 0 34.81 0.00 13.56 20.60 0.05 30.99 15:11:01 1 33.21 0.00 14.61 22.30 0.05 29.83 15:11:01 2 34.98 0.00 13.60 18.42 0.02 32.99 15:11:01 3 33.09 0.00 14.98 20.30 0.09 31.54 15:12:01 all 0.15 0.00 0.04 0.01 0.00 99.80 15:12:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:12:01 1 0.03 0.00 0.05 0.02 0.00 99.90 15:12:01 2 0.02 0.00 0.02 0.02 0.00 99.95 15:12:01 3 0.53 0.00 0.05 0.02 0.00 99.40 15:13:02 all 0.16 0.00 0.04 0.02 0.00 99.78 15:13:02 0 0.03 0.00 0.03 0.00 0.00 99.93 15:13:02 1 0.05 0.00 0.05 0.00 0.00 99.90 15:13:02 2 0.02 0.00 0.03 0.05 0.00 99.90 15:13:02 3 0.55 0.00 0.02 0.02 0.00 99.42 15:14:01 all 0.14 0.00 0.02 0.00 0.00 99.83 15:14:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:14:01 1 0.02 0.00 0.05 0.02 0.00 99.92 15:14:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:14:01 3 0.52 0.00 0.02 0.00 0.00 99.46 15:15:01 all 0.16 0.00 0.02 0.02 0.00 99.80 15:15:01 0 0.02 0.00 0.02 0.00 0.02 99.95 15:15:01 1 0.53 0.00 0.02 0.00 0.00 99.45 15:15:01 2 0.03 0.00 0.02 0.03 0.00 99.92 15:15:01 3 0.07 0.00 0.05 0.05 0.02 99.82 15:16:01 all 0.16 0.00 0.02 0.00 0.00 99.81 15:16:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:16:01 1 0.52 0.00 0.03 0.00 0.00 99.45 15:16:01 2 0.05 0.00 0.05 0.00 0.00 99.90 15:16:01 3 0.03 0.00 0.00 0.00 0.00 99.97 15:17:01 all 0.14 0.00 0.05 0.02 0.00 99.78 15:17:01 0 0.02 0.00 0.03 0.05 0.00 99.90 15:17:01 1 0.15 0.00 0.05 0.05 0.00 99.75 15:17:01 2 0.42 0.00 0.07 0.02 0.00 99.50 15:17:01 3 0.02 0.00 0.03 0.00 0.00 99.95 15:18:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:18:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:18:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:18:01 2 0.48 0.00 0.03 0.00 0.02 99.47 15:18:01 3 0.03 0.00 0.02 0.00 0.00 99.95 15:19:01 all 0.04 0.00 0.04 0.00 0.00 99.92 15:19:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:19:01 1 0.02 0.00 0.05 0.00 0.02 99.92 15:19:01 2 0.10 0.00 0.07 0.00 0.00 99.83 15:19:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:20:01 all 0.04 0.00 0.02 0.00 0.00 99.94 15:20:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:20:01 1 0.05 0.00 0.03 0.00 0.00 99.92 15:20:01 2 0.07 0.00 0.03 0.00 0.00 99.90 15:20:01 3 0.03 0.00 0.00 0.00 0.00 99.97 15:21:01 all 0.15 0.00 0.02 0.00 0.00 99.83 15:21:01 0 0.00 0.00 0.02 0.00 0.00 99.98 15:21:01 1 0.05 0.00 0.03 0.00 0.00 99.92 15:21:01 2 0.52 0.00 0.02 0.02 0.00 99.45 15:21:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:22:01 all 5.07 0.00 3.07 3.17 0.03 88.66 15:22:01 0 4.29 0.00 2.62 1.33 0.03 91.73 15:22:01 1 5.05 0.00 3.54 4.90 0.02 86.48 15:22:01 2 6.28 0.00 2.90 2.64 0.02 88.17 15:22:01 3 4.70 0.00 3.22 3.78 0.02 88.28 Average: all 12.78 0.00 6.37 7.09 0.04 73.73 Average: 0 12.63 0.00 6.34 6.48 0.04 74.51 Average: 1 12.34 0.00 6.47 7.54 0.04 73.61 Average: 2 13.01 0.00 6.29 7.27 0.04 73.39 Average: 3 13.15 0.00 6.36 7.05 0.03 73.40