---> uname -a: Linux 78c241a24dcc 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/2 /dev/vda1 50.0G 12.9G 37.1G 26% /w/workspace/edgex-go/2@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 628 114 0 1094 1124 Swap: 1023 98 925 ---> 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 108: eth0@if109: 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) 08/17/20 _x86_64_ (4 CPU) 14:13:43 LINUX RESTART 14:15:01 tps rtps wtps bread/s bwrtn/s 14:16:01 409.65 250.52 159.13 9840.45 72595.76 14:17:01 339.47 163.29 176.17 7439.60 32105.32 14:18:01 240.01 89.77 150.24 15278.02 78662.63 14:19:02 2547.84 2170.72 377.12 201422.79 223248.30 14:20:01 834.13 567.34 266.80 34386.33 58156.56 14:21:03 2079.74 1726.31 353.43 134779.39 165343.97 14:22:01 1520.39 1190.59 329.80 76123.88 88456.55 14:23:01 522.36 399.88 122.48 27539.91 28223.77 14:24:02 1.87 0.55 1.32 18.52 19.40 14:25:01 0.53 0.10 0.42 0.81 4.96 14:26:01 0.25 0.02 0.23 0.27 1.93 14:27:01 0.27 0.02 0.25 0.53 2.86 14:28:01 0.25 0.00 0.25 0.00 2.61 14:29:01 0.80 0.52 0.28 12.79 3.00 14:30:01 2.25 1.53 0.72 147.08 14.24 14:31:01 0.35 0.03 0.32 0.40 3.76 14:32:01 0.87 0.55 0.32 4.93 3.05 14:33:01 74.65 52.12 22.53 5057.71 7982.14 Average: 478.40 369.25 109.15 28633.65 42172.73 14:15:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:16:01 168228 1713328 91.06 1492 1043064 1303444 44.48 623232 889904 60 14:17:01 537348 1344208 71.44 568 667320 1304556 44.52 509456 599976 29096 14:18:01 80428 1801128 95.73 312 1125180 1244344 42.47 741376 850728 84260 14:19:02 78044 1803512 95.85 112 1081384 1905588 65.03 716612 914164 97248 14:20:01 427796 1453760 77.26 112 797696 1364184 46.56 536328 709724 0 14:21:03 52720 1828836 97.20 112 1097148 2392256 81.64 613468 1022416 20344 14:22:01 75164 1806392 96.01 104 1154596 1541064 52.59 715832 884280 3416 14:23:01 610076 1271480 67.58 104 714596 1182012 40.34 386332 689372 20 14:24:02 613052 1268504 67.42 104 715212 1147048 39.15 384228 688808 16 14:25:01 612932 1268624 67.42 104 715216 1147120 39.15 384776 688692 8 14:26:01 613448 1268108 67.40 104 715224 1147048 39.15 384532 688696 8 14:27:01 613180 1268376 67.41 104 715224 1147048 39.15 384536 688704 8 14:28:01 613352 1268204 67.40 104 715252 1147048 39.15 384420 688720 8 14:29:01 612816 1268740 67.43 104 715992 1147636 39.17 384668 689340 8 14:30:01 605632 1275924 67.81 104 719364 1147120 39.15 390288 690156 8 14:31:01 605804 1275752 67.80 104 719372 1147048 39.15 389924 690164 8 14:32:01 605712 1275844 67.81 104 719388 1147048 39.15 389804 690324 8 14:33:01 68588 1812968 96.35 104 1169408 1593968 54.40 545624 1055700 136756 Average: 421907 1459649 77.58 220 850035 1341977 45.80 492524 767770 20627 14:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:16:01 eth0 1462.03 931.67 7020.17 2773.81 0.00 0.00 0.00 14:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:16:01 docker0 27.64 53.88 1.55 359.10 0.00 0.00 0.00 14:17:01 veth29769aa 0.00 0.13 0.00 0.01 0.00 0.00 0.00 14:17:01 eth0 3199.30 2559.07 13769.69 2997.46 0.00 0.00 0.00 14:17:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 14:17:01 docker0 915.41 908.75 73.56 3393.02 0.00 0.00 0.00 14:18:01 vethf61c6e7 0.00 0.12 0.00 0.01 0.00 0.00 0.00 14:18:01 eth0 151.45 114.26 1704.50 126.40 0.00 0.00 0.00 14:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:02 vethf61c6e7 0.00 0.35 0.00 0.01 0.00 0.00 0.00 14:19:02 eth0 44.36 26.07 164.17 10.94 0.00 0.00 0.00 14:19:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:19:02 docker0 14.10 20.86 0.74 145.19 0.00 0.00 0.00 14:20:01 vethf61c6e7 0.00 0.07 0.00 0.00 0.00 0.00 0.00 14:20:01 eth0 91.02 68.42 184.76 80.20 0.00 0.00 0.00 14:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:20:01 docker0 10.66 15.90 0.58 104.93 0.00 0.00 0.00 14:21:03 veth7713552 0.00 0.11 0.00 0.01 0.00 0.00 0.00 14:21:03 veth7c456e4 2.63 3.76 0.42 19.40 0.00 0.00 0.00 14:21:03 vethf61c6e7 0.00 0.68 0.00 0.03 0.00 0.00 0.00 14:21:03 eth0 3495.03 2752.93 15774.90 3188.83 0.00 0.00 0.00 14:22:01 vethf61c6e7 0.00 0.10 0.00 0.00 0.00 0.00 0.00 14:22:01 eth0 76.70 52.07 141.70 72.63 0.00 0.00 0.00 14:22:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 14:22:01 docker0 1005.15 1041.58 79.35 4245.61 0.00 0.00 0.00 14:23:01 eth0 32.16 17.22 65.45 10.94 0.00 0.00 0.00 14:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:23:01 docker0 3.88 7.24 0.21 43.99 0.00 0.00 0.00 14:24:02 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 14:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:25:01 eth0 0.32 0.24 0.17 0.08 0.00 0.00 0.00 14:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:26:01 eth0 0.10 0.13 0.01 0.01 0.00 0.00 0.00 14:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:27:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 14:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:28:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 14:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:29:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 14:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 eth0 0.28 0.23 0.14 0.07 0.00 0.00 0.00 14:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 14:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 14:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:33:01 eth0 99.67 71.86 2326.85 47.50 0.00 0.00 0.00 14:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 122.50 80.80 692.23 178.83 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.88 14.50 0.67 84.32 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) 08/17/20 _x86_64_ (4 CPU) 14:13:43 LINUX RESTART 14:15:01 CPU %user %nice %system %iowait %steal %idle 14:16:01 all 19.70 0.00 9.40 3.37 0.05 67.47 14:16:01 0 22.05 0.00 10.11 2.21 0.07 65.56 14:16:01 1 20.10 0.00 8.93 3.10 0.05 67.82 14:16:01 2 18.82 0.00 8.72 6.36 0.07 66.04 14:16:01 3 17.87 0.00 9.83 1.80 0.03 70.46 14:17:01 all 44.82 0.00 13.18 8.29 0.05 33.66 14:17:01 0 44.43 0.00 13.71 8.76 0.02 33.08 14:17:01 1 43.83 0.00 13.28 11.40 0.07 31.42 14:17:01 2 45.84 0.00 12.64 8.53 0.03 32.96 14:17:01 3 45.23 0.00 13.10 4.43 0.07 37.18 14:18:01 all 24.40 0.00 12.41 6.17 0.04 56.98 14:18:01 0 24.11 0.00 11.97 5.04 0.03 58.85 14:18:01 1 27.25 0.00 12.94 8.90 0.03 50.88 14:18:01 2 23.37 0.00 12.43 5.24 0.05 58.91 14:18:01 3 22.89 0.00 12.31 5.54 0.03 59.22 14:19:02 all 21.08 0.00 25.55 25.34 0.10 27.93 14:19:02 0 20.22 0.00 25.66 25.28 0.10 28.75 14:19:02 1 20.55 0.00 25.67 24.48 0.10 29.19 14:19:02 2 22.16 0.00 25.45 26.72 0.10 25.56 14:19:02 3 21.37 0.00 25.41 24.89 0.09 28.24 14:20:01 all 50.36 0.00 15.89 18.40 0.05 15.30 14:20:01 0 50.22 0.00 16.35 16.16 0.03 17.24 14:20:01 1 50.74 0.00 15.54 17.25 0.05 16.42 14:20:01 2 50.42 0.00 16.10 19.45 0.05 13.97 14:20:01 3 50.10 0.00 15.56 20.79 0.04 13.51 14:21:03 all 16.27 0.00 19.32 34.15 0.07 30.18 14:21:03 0 16.82 0.00 17.67 28.17 0.08 37.25 14:21:03 1 16.97 0.00 19.86 35.85 0.05 27.27 14:21:03 2 16.32 0.00 19.17 32.00 0.07 32.45 14:21:03 3 14.94 0.00 20.62 40.70 0.07 23.67 14:22:01 all 48.17 0.00 19.39 18.58 0.06 13.81 14:22:01 0 48.85 0.00 18.98 18.36 0.05 13.77 14:22:01 1 47.43 0.00 19.54 19.47 0.05 13.49 14:22:01 2 46.60 0.00 20.50 19.30 0.05 13.55 14:22:01 3 49.84 0.00 18.48 17.20 0.07 14.41 14:23:01 all 11.28 0.00 6.17 7.85 0.05 74.66 14:23:01 0 11.38 0.00 5.64 10.37 0.03 72.57 14:23:01 1 11.05 0.00 6.29 6.04 0.05 76.58 14:23:01 2 11.67 0.00 6.32 6.07 0.05 75.88 14:23:01 3 10.98 0.00 6.48 8.92 0.05 73.57 14:24:02 all 0.16 0.00 0.04 0.01 0.00 99.79 14:24:02 0 0.02 0.00 0.02 0.00 0.02 99.95 14:24:02 1 0.03 0.00 0.07 0.00 0.00 99.90 14:24:02 2 0.52 0.00 0.02 0.00 0.00 99.47 14:24:02 3 0.05 0.00 0.03 0.00 0.00 99.92 14:25:01 all 0.16 0.00 0.03 0.00 0.00 99.81 14:25:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:25:01 1 0.07 0.00 0.03 0.02 0.00 99.88 14:25:01 2 0.54 0.00 0.02 0.02 0.00 99.42 14:25:01 3 0.05 0.00 0.03 0.00 0.00 99.92 14:26:01 all 0.15 0.00 0.02 0.00 0.00 99.83 14:26:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:26:01 1 0.03 0.00 0.03 0.00 0.00 99.93 14:26:01 2 0.50 0.00 0.02 0.00 0.00 99.48 14:26:01 3 0.07 0.00 0.03 0.00 0.00 99.90 14:27:01 all 0.15 0.00 0.02 0.00 0.00 99.82 14:27:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:27:01 1 0.03 0.00 0.02 0.00 0.00 99.95 14:27:01 2 0.50 0.00 0.02 0.00 0.00 99.48 14:27:01 3 0.03 0.00 0.05 0.00 0.00 99.92 14:28:01 all 0.15 0.00 0.02 0.00 0.00 99.83 14:28:01 0 0.02 0.00 0.03 0.00 0.00 99.95 14:28:01 1 0.03 0.00 0.02 0.00 0.00 99.95 14:28:01 2 0.50 0.00 0.02 0.00 0.00 99.48 14:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:29:01 all 0.15 0.00 0.04 0.00 0.00 99.81 14:29:01 0 0.00 0.00 0.03 0.02 0.00 99.95 14:29:01 1 0.07 0.00 0.02 0.00 0.00 99.92 14:29:01 2 0.47 0.00 0.02 0.00 0.00 99.52 14:29:01 3 0.07 0.00 0.07 0.02 0.00 99.85 14:30:01 all 0.10 0.00 0.05 0.03 0.00 99.82 14:30:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:30:01 1 0.30 0.00 0.08 0.02 0.00 99.60 14:30:01 2 0.05 0.00 0.05 0.03 0.00 99.87 14:30:01 3 0.02 0.00 0.05 0.05 0.00 99.88 14:31:01 all 0.03 0.00 0.03 0.00 0.00 99.94 14:31:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:31:01 1 0.05 0.00 0.05 0.00 0.00 99.90 14:31:01 2 0.03 0.00 0.03 0.00 0.00 99.93 14:31:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:32:01 all 0.09 0.00 0.03 0.02 0.00 99.86 14:32:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:32:01 1 0.05 0.00 0.05 0.00 0.00 99.90 14:32:01 2 0.28 0.00 0.02 0.00 0.00 99.70 14:32:01 3 0.02 0.00 0.02 0.08 0.02 99.87 14:33:01 all 3.50 0.00 1.97 1.73 0.01 92.79 14:33:01 0 2.66 0.00 2.10 1.32 0.02 93.90 14:33:01 1 2.74 0.00 1.94 1.39 0.02 93.92 14:33:01 2 3.86 0.00 1.82 0.77 0.02 93.54 14:33:01 3 4.72 0.00 2.03 3.42 0.00 89.83 Average: all 13.10 0.00 6.75 6.78 0.03 73.34 Average: 0 13.12 0.00 6.69 6.34 0.03 73.83 Average: 1 13.17 0.00 6.81 7.02 0.03 72.98 Average: 2 13.19 0.00 6.73 6.80 0.03 73.24 Average: 3 12.94 0.00 6.76 6.97 0.03 73.30