---> uname -a: Linux 78880d8eac71 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 12.7G 37.3G 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 12.7G 37.3G 25% /etc/resolv.conf /dev/vda1 50.0G 12.7G 37.3G 25% /etc/hostname /dev/vda1 50.0G 12.7G 37.3G 25% /etc/hosts /dev/vda1 50.0G 12.7G 37.3G 25% /var/log/sa /dev/vda1 50.0G 12.7G 37.3G 25% /w/workspace/edgex-go/120 /dev/vda1 50.0G 12.7G 37.3G 25% /w/workspace/edgex-go/120@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 683 129 0 1024 1103 Swap: 1023 39 984 ---> 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 192: eth0@if193: 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) 17:05:52 LINUX RESTART 17:07:01 tps rtps wtps bread/s bwrtn/s 17:08:02 365.44 242.95 122.50 9015.51 59861.25 17:09:01 132.95 20.31 112.64 1845.46 26969.72 17:10:01 1437.08 1175.40 261.68 87135.62 142333.77 17:11:02 1438.82 1157.33 281.49 87108.57 102384.73 17:12:02 885.44 540.04 345.39 50973.74 78191.95 17:13:01 1242.66 901.77 340.89 68574.81 108564.23 17:14:01 167.62 61.20 106.43 7536.27 12288.21 17:15:01 93.32 85.61 7.71 4651.35 161.47 17:16:01 0.48 0.03 0.45 0.80 7.23 17:17:01 0.97 0.63 0.33 103.25 3.55 17:18:01 0.25 0.05 0.20 0.53 2.10 17:19:01 0.27 0.00 0.27 0.00 3.96 17:20:01 0.30 0.02 0.28 0.53 3.06 17:21:01 2.08 1.80 0.28 60.75 3.00 17:22:01 0.77 0.03 0.73 1.07 14.86 17:23:02 153.94 44.52 109.42 3353.26 31166.25 17:24:01 49.66 5.18 44.48 343.13 2352.76 17:25:01 26.72 0.37 26.35 8.12 401.71 17:26:01 27.79 0.30 27.49 8.26 423.91 17:27:01 29.88 2.15 27.73 78.70 425.38 17:28:01 43.04 13.60 29.44 2186.95 5585.77 17:29:01 246.16 110.88 135.28 8184.66 32356.81 Average: 289.31 199.27 90.04 15113.39 27488.70 17:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:08:02 87856 1793700 95.33 1492 1098816 1435020 48.97 584228 1003684 42700 17:09:01 109432 1772124 94.18 1492 1061144 1291644 44.08 729660 788356 16 17:10:01 73960 1807596 96.07 16 1115904 1702144 58.09 645816 994180 55748 17:11:02 366148 1515408 80.54 0 761956 1945664 66.40 532272 770920 1336 17:12:02 70444 1811112 96.26 0 1036464 1865460 63.66 706844 885884 6736 17:13:01 155856 1725700 91.72 0 1071852 1536944 52.45 713328 805092 792 17:14:01 294396 1587160 84.35 0 963692 1252576 42.75 503260 880444 36 17:15:01 188272 1693284 89.99 0 1101812 1162216 39.66 484292 1007492 20 17:16:01 191908 1689648 89.80 0 1101820 1128280 38.51 483140 1005428 12 17:17:01 186092 1695464 90.11 0 1104900 1128364 38.51 488792 1005812 8 17:18:01 188140 1693416 90.00 0 1104904 1125372 38.41 488380 1003764 20 17:19:01 189212 1692344 89.94 0 1104928 1124176 38.37 487388 1003780 16 17:20:01 189492 1692064 89.93 0 1104924 1124176 38.37 487520 1003780 8 17:21:01 185680 1695876 90.13 0 1106060 1124428 38.37 489172 1004384 28 17:22:01 186356 1695200 90.10 0 1106072 1124356 38.37 489064 1004384 12 17:23:02 156912 1724644 91.66 0 1094216 1228384 41.92 616276 866400 27528 17:24:01 172756 1708800 90.82 0 1088412 1328492 45.34 627480 851212 44 17:25:01 179524 1702032 90.46 0 1088472 1146212 39.12 625672 847668 24 17:26:01 184112 1697444 90.21 0 1088728 1246944 42.56 628940 838144 36 17:27:01 178768 1702788 90.50 0 1088872 1351788 46.13 638328 833012 48 17:28:01 98264 1783292 94.78 0 1191960 1295176 44.20 662160 890072 48 17:29:01 76548 1805008 95.93 0 1134124 1123952 38.36 663148 822536 164 Average: 168642 1712914 91.04 136 1078183 1308717 44.66 580689 914383 6154 17:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:08:02 veth9bea35a 30.78 36.86 2.21 187.17 0.00 0.00 0.00 17:08:02 eth0 1438.04 993.83 6679.26 2776.68 0.00 0.00 0.00 17:08:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:08:02 docker0 314.54 277.62 24.05 1060.08 0.00 0.00 0.00 17:09:01 eth0 281.01 188.59 1639.18 20.05 0.00 0.00 0.00 17:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:09:01 docker0 114.71 137.43 8.09 553.79 0.00 0.00 0.00 17:10:01 veth497984a 0.00 0.35 0.00 0.02 0.00 0.00 0.00 17:10:01 eth0 3268.09 2424.07 15493.85 3001.39 0.00 0.00 0.00 17:10:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:10:01 docker0 1017.35 944.23 79.51 3510.81 0.00 0.00 0.00 17:11:02 veth6c91e3a 0.00 0.11 0.00 0.01 0.00 0.00 0.00 17:11:02 veth1c61cbb 2.26 3.50 0.15 28.65 0.00 0.00 0.00 17:11:02 veth497984a 0.00 0.36 0.00 0.02 0.00 0.00 0.00 17:11:02 eth0 3262.15 2414.40 15380.83 2980.78 0.00 0.00 0.00 17:12:02 veth497984a 0.00 0.22 0.00 0.01 0.00 0.00 0.00 17:12:02 eth0 128.60 73.57 476.98 74.61 0.00 0.00 0.00 17:12:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:12:02 veth6bda130 0.94 1.06 0.14 3.50 0.00 0.00 0.00 17:13:01 veth648813e 0.00 0.18 0.00 0.01 0.00 0.00 0.00 17:13:01 veth497984a 0.00 0.81 0.00 0.04 0.00 0.00 0.00 17:13:01 eth0 3574.68 2617.66 16484.17 3214.71 0.00 0.00 0.00 17:13:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:14:01 eth0 254.79 230.70 170.45 692.52 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 1079.19 1044.33 83.32 4143.54 0.00 0.00 0.00 17:15:01 eth0 239.81 244.41 103.92 1077.44 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 0.08 0.08 0.01 0.01 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 0.43 0.23 0.15 0.08 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 8.19 7.98 0.79 16.03 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 0.08 0.08 0.01 0.01 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 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 eth0 0.15 0.08 0.01 0.01 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 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:21:01 eth0 4.83 3.93 0.58 7.03 0.00 0.00 0.00 17:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:22:01 eth0 4.65 4.31 0.66 6.88 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:23:02 vethb50677d 32.09 34.29 3.67 128.92 0.00 0.00 0.00 17:23:02 eth0 4221.22 3204.23 20446.79 4998.94 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 1111.10 1078.31 86.53 4271.77 0.00 0.00 0.00 17:24:01 veth9205834 0.36 0.44 0.09 0.20 0.00 0.00 0.00 17:24:01 eth0 137.41 105.35 265.08 107.66 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 3.79 3.25 0.79 1.61 0.00 0.00 0.00 17:25:01 eth0 109.96 85.88 99.54 90.55 0.00 0.00 0.00 17:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:25:01 docker0 4.01 3.73 1.11 1.81 0.00 0.00 0.00 17:26:01 veth4b38ebf 0.40 0.35 0.08 0.16 0.00 0.00 0.00 17:26:01 eth0 4587.41 3489.59 20914.71 5297.17 0.00 0.00 0.00 17:26:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 17:26:01 docker0 1123.31 1089.21 89.44 4278.40 0.00 0.00 0.00 17:27:01 vethdcbb352 0.30 0.27 0.05 0.14 0.00 0.00 0.00 17:27:01 eth0 114.06 87.12 107.25 92.77 0.00 0.00 0.00 17:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:27:01 docker0 4.21 3.86 1.15 1.97 0.00 0.00 0.00 17:28:01 eth0 2341.81 1651.58 3005.85 262.09 0.00 0.00 0.00 17:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 docker0 2.63 2.50 0.74 1.21 0.00 0.00 0.00 17:29:01 eth0 230.04 168.31 3428.74 82.28 0.00 0.00 0.00 17:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:29:01 docker0 37.86 41.06 2.59 195.90 0.00 0.00 0.00 Average: eth0 265.72 192.56 1000.64 253.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 26.74 28.49 2.13 122.52 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) 17:05:52 LINUX RESTART 17:07:01 CPU %user %nice %system %iowait %steal %idle 17:08:02 all 20.50 0.00 7.72 1.85 0.04 69.89 17:08:02 0 14.78 0.00 8.18 1.41 0.05 75.58 17:08:02 1 15.57 0.00 8.15 2.16 0.05 74.07 17:08:02 2 20.62 0.00 6.94 2.48 0.05 69.91 17:08:02 3 30.89 0.00 7.66 1.35 0.03 60.06 17:09:01 all 5.26 0.00 3.91 3.59 0.02 87.23 17:09:01 0 5.56 0.00 4.26 3.61 0.02 86.56 17:09:01 1 5.53 0.00 3.99 2.54 0.02 87.91 17:09:01 2 4.98 0.00 3.97 4.59 0.03 86.43 17:09:01 3 4.97 0.00 3.38 3.62 0.02 88.00 17:10:01 all 16.80 0.00 17.37 17.60 0.06 48.17 17:10:01 0 17.22 0.00 16.77 16.50 0.05 49.45 17:10:01 1 15.85 0.00 17.35 18.70 0.05 48.04 17:10:01 2 17.34 0.00 17.92 15.46 0.05 49.22 17:10:01 3 16.76 0.00 17.43 19.77 0.05 45.99 17:11:02 all 47.93 0.00 17.66 22.49 0.05 11.86 17:11:02 0 46.92 0.00 18.17 21.63 0.07 13.22 17:11:02 1 47.51 0.00 18.11 26.31 0.07 8.00 17:11:02 2 47.70 0.00 17.42 18.83 0.03 16.01 17:11:02 3 49.62 0.00 16.93 23.18 0.05 10.22 17:12:02 all 28.51 0.00 16.73 32.02 0.06 22.69 17:12:02 0 27.67 0.00 15.95 32.12 0.07 24.20 17:12:02 1 28.13 0.00 17.57 34.56 0.07 19.67 17:12:02 2 28.39 0.00 17.02 30.57 0.03 23.99 17:12:02 3 29.81 0.00 16.42 30.83 0.07 22.87 17:13:01 all 30.14 0.00 16.67 29.51 0.05 23.64 17:13:01 0 29.40 0.00 16.97 31.57 0.03 22.03 17:13:01 1 28.00 0.00 16.79 26.85 0.05 28.31 17:13:01 2 29.64 0.00 16.49 33.86 0.05 19.97 17:13:01 3 33.59 0.00 16.38 25.75 0.03 24.25 17:14:01 all 18.60 0.00 7.37 5.32 0.03 68.67 17:14:01 0 19.89 0.00 7.68 5.47 0.05 66.91 17:14:01 1 17.47 0.00 7.29 5.43 0.03 69.78 17:14:01 2 18.46 0.00 7.60 7.15 0.02 66.77 17:14:01 3 18.58 0.00 6.92 3.21 0.02 71.27 17:15:01 all 5.86 0.00 2.06 2.74 0.02 89.31 17:15:01 0 5.61 0.00 2.37 2.61 0.02 89.39 17:15:01 1 5.73 0.00 1.79 2.61 0.03 89.83 17:15:01 2 6.26 0.00 1.81 2.93 0.02 88.98 17:15:01 3 5.85 0.00 2.30 2.82 0.02 89.01 17:16:01 all 0.16 0.00 0.04 0.00 0.00 99.79 17:16:01 0 0.03 0.00 0.03 0.00 0.02 99.92 17:16:01 1 0.05 0.00 0.08 0.00 0.00 99.87 17:16:01 2 0.53 0.00 0.03 0.00 0.00 99.43 17:16:01 3 0.03 0.00 0.00 0.00 0.00 99.97 17:17:01 all 0.16 0.00 0.04 0.00 0.00 99.79 17:17:01 0 0.02 0.00 0.03 0.02 0.00 99.93 17:17:01 1 0.32 0.00 0.05 0.00 0.00 99.63 17:17:01 2 0.27 0.00 0.05 0.00 0.00 99.68 17:17:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:18:01 all 0.20 0.00 0.07 0.00 0.00 99.73 17:18:01 0 0.13 0.00 0.08 0.00 0.00 99.78 17:18:01 1 0.47 0.00 0.08 0.02 0.00 99.43 17:18:01 2 0.13 0.00 0.07 0.00 0.00 99.80 17:18:01 3 0.08 0.00 0.07 0.00 0.00 99.85 17:19:01 all 0.07 0.00 0.02 0.00 0.00 99.90 17:19:01 0 0.15 0.00 0.03 0.00 0.00 99.82 17:19:01 1 0.07 0.00 0.02 0.00 0.00 99.92 17:19:01 2 0.02 0.00 0.02 0.00 0.00 99.97 17:19:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:20:01 all 0.02 0.00 0.03 0.00 0.00 99.95 17:20:01 0 0.05 0.00 0.05 0.00 0.00 99.90 17:20:01 1 0.00 0.00 0.03 0.00 0.00 99.97 17:20:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:20:01 3 0.02 0.00 0.02 0.00 0.00 99.97 17:21:01 all 0.05 0.00 0.08 0.03 0.00 99.83 17:21:01 0 0.05 0.00 0.07 0.00 0.00 99.88 17:21:01 1 0.07 0.00 0.12 0.10 0.00 99.72 17:21:01 2 0.03 0.00 0.03 0.02 0.00 99.92 17:21:01 3 0.07 0.00 0.07 0.00 0.00 99.87 17:22:01 all 0.10 0.00 0.05 0.00 0.00 99.85 17:22:01 0 0.03 0.00 0.08 0.00 0.00 99.88 17:22:01 1 0.30 0.00 0.05 0.00 0.00 99.65 17:22:01 2 0.05 0.00 0.05 0.00 0.00 99.90 17:22:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:23:02 all 7.22 0.00 4.80 2.96 0.02 85.00 17:23:02 0 6.66 0.00 4.75 1.11 0.02 87.46 17:23:02 1 7.63 0.00 5.01 2.87 0.02 84.47 17:23:02 2 7.52 0.00 5.00 3.35 0.03 84.10 17:23:02 3 7.07 0.00 4.42 4.50 0.03 83.97 17:24:01 all 3.63 0.00 4.13 1.30 0.01 90.94 17:24:01 0 3.37 0.00 4.02 0.96 0.00 91.66 17:24:01 1 4.03 0.00 4.99 1.42 0.02 89.54 17:24:01 2 3.13 0.00 3.63 0.79 0.02 92.44 17:24:01 3 3.97 0.00 3.93 2.04 0.00 90.06 17:25:01 all 3.02 0.00 3.38 0.68 0.02 92.91 17:25:01 0 3.41 0.00 3.95 0.77 0.02 91.85 17:25:01 1 3.36 0.00 3.42 0.25 0.02 92.95 17:25:01 2 2.54 0.00 2.97 1.13 0.02 93.35 17:25:01 3 2.76 0.00 3.16 0.55 0.02 93.51 17:26:01 all 3.21 0.00 3.64 0.73 0.02 92.41 17:26:01 0 3.39 0.00 4.11 0.27 0.02 92.21 17:26:01 1 3.09 0.00 3.66 0.76 0.02 92.48 17:26:01 2 2.96 0.00 3.31 1.19 0.03 92.51 17:26:01 3 3.41 0.00 3.44 0.69 0.02 92.45 17:27:01 all 3.39 0.00 3.64 0.69 0.01 92.27 17:27:01 0 3.63 0.00 4.35 0.82 0.00 91.19 17:27:01 1 3.33 0.00 3.61 0.52 0.00 92.54 17:27:01 2 2.91 0.00 2.94 0.66 0.00 93.49 17:27:01 3 3.71 0.00 3.66 0.77 0.02 91.84 17:28:01 all 5.83 0.00 5.05 1.08 0.01 88.03 17:28:01 0 5.54 0.00 6.48 0.50 0.00 87.49 17:28:01 1 6.31 0.00 4.22 0.88 0.02 88.57 17:28:01 2 5.31 0.00 4.84 1.59 0.02 88.25 17:28:01 3 6.15 0.00 4.72 1.35 0.02 87.77 17:29:01 all 11.11 0.00 8.13 5.02 0.03 75.71 17:29:01 0 12.37 0.00 8.64 2.58 0.03 76.37 17:29:01 1 11.43 0.00 7.99 7.45 0.02 73.12 17:29:01 2 9.90 0.00 8.11 3.43 0.02 78.55 17:29:01 3 10.75 0.00 7.77 6.64 0.03 74.81 Average: all 9.55 0.00 5.52 5.73 0.02 79.18 Average: 0 9.30 0.00 5.73 5.48 0.02 79.47 Average: 1 9.22 0.00 5.61 5.99 0.02 79.16 Average: 2 9.41 0.00 5.42 5.74 0.02 79.41 Average: 3 10.28 0.00 5.34 5.69 0.02 78.68