---> uname -a: Linux 5543d5fa9cf8 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: 2933.396 BogoMIPS: 5866.79 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/19 /dev/vda1 50.0G 13.0G 37.0G 26% /w/workspace/edgex-go/19@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 647 102 0 1087 1107 Swap: 1023 67 956 ---> 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) 08/18/20 _x86_64_ (4 CPU) 15:15:42 LINUX RESTART 15:17:01 tps rtps wtps bread/s bwrtn/s 15:18:01 60.65 18.39 42.26 5155.39 10745.07 15:19:01 391.93 258.97 132.96 10485.41 58797.66 15:20:01 373.99 183.85 190.14 7891.45 34447.29 15:21:01 197.99 105.01 92.98 4688.02 33574.10 15:22:03 1517.99 1191.32 326.67 123647.52 191932.59 15:23:01 1904.61 1597.67 306.94 127169.61 137419.79 15:24:03 1173.37 817.26 356.11 100607.30 128144.80 15:25:01 2216.46 1880.49 335.98 136770.81 148480.25 15:26:01 284.52 44.03 240.48 5265.59 22768.95 15:27:01 6.63 0.70 5.93 138.51 196.20 15:28:01 0.23 0.03 0.20 0.40 1.88 15:29:01 0.27 0.02 0.25 0.13 3.13 15:30:01 0.28 0.02 0.27 0.13 2.60 15:31:01 1.67 1.33 0.33 49.02 5.64 15:32:01 0.77 0.03 0.73 1.07 14.89 15:33:01 0.33 0.03 0.30 0.40 3.70 15:34:01 0.27 0.03 0.23 0.27 2.70 15:35:01 0.38 0.00 0.38 0.00 4.56 15:36:01 0.30 0.03 0.27 2.93 3.45 15:37:01 0.33 0.02 0.32 0.27 3.16 15:38:01 0.35 0.02 0.33 0.53 5.06 15:39:02 81.08 47.93 33.15 5033.04 9645.81 Average: 371.38 277.47 93.91 23894.18 35300.04 15:17:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:18:01 84060 1797496 95.53 2620 1077760 1435496 48.99 607332 1028160 4584 15:19:01 112196 1769360 94.04 1492 1101300 1299004 44.33 627132 936532 12 15:20:01 285432 1596124 84.83 388 638288 1932392 65.95 776384 582700 26832 15:21:01 234412 1647144 87.54 388 919524 1564528 53.39 618896 796944 86608 15:22:03 78544 1803012 95.83 0 1121992 1731836 59.10 718256 913668 76324 15:23:01 207044 1674512 89.00 0 647936 3341636 114.04 765832 691252 4260 15:24:03 52712 1828844 97.20 0 1122172 1917380 65.44 683244 964480 48920 15:25:01 249452 1632104 86.74 0 707292 2586764 88.28 740812 694540 5612 15:26:01 301776 1579780 83.96 0 1005056 1177072 40.17 548916 826900 20 15:27:01 300476 1581080 84.03 0 1009200 1146896 39.14 551420 827184 12 15:28:01 301552 1580004 83.97 0 1009200 1138672 38.86 550868 826996 8 15:29:01 301676 1579880 83.97 0 1009220 1138672 38.86 550752 827012 8 15:30:01 301924 1579632 83.95 0 1009228 1138672 38.86 550884 827012 8 15:31:01 300620 1580936 84.02 0 1010024 1138672 38.86 551052 827640 16 15:32:01 300196 1581360 84.05 0 1010036 1138756 38.86 549736 829180 8 15:33:01 300284 1581272 84.04 0 1010036 1138672 38.86 549552 829180 8 15:34:01 300364 1581192 84.04 0 1010052 1138672 38.86 549532 829196 8 15:35:01 300472 1581084 84.03 0 1010060 1138672 38.86 549536 829200 8 15:36:01 300356 1581200 84.04 0 1010160 1138672 38.86 549540 829296 8 15:37:01 300384 1581172 84.04 0 1010156 1138744 38.86 549720 829288 8 15:38:01 300372 1581184 84.04 0 1010160 1138672 38.86 549540 829296 8 15:39:02 179692 1701864 90.45 0 1075568 1337104 45.63 585896 889600 130896 Average: 245182 1636374 86.97 222 978837 1454348 49.63 603401 830239 17463 15:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:18:01 eth0 1022.92 1061.77 3852.45 130.86 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 veth6dc984f 883.75 760.37 82.52 2656.62 0.00 0.00 0.00 15:18:01 docker0 883.75 760.24 70.44 2656.61 0.00 0.00 0.00 15:19:01 eth0 1195.19 653.68 5968.01 2748.77 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 40.76 52.85 2.25 358.98 0.00 0.00 0.00 15:20:01 veth8e628e2 0.00 0.13 0.00 0.01 0.00 0.00 0.00 15:20:01 eth0 3160.61 2477.09 13848.09 2982.78 0.00 0.00 0.00 15:20:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:20:01 docker0 1009.25 911.84 79.25 3487.63 0.00 0.00 0.00 15:21:01 eth0 121.42 88.22 1695.61 113.93 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 15:22:03 eth0 59.98 34.87 177.82 15.83 0.00 0.00 0.00 15:22:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:03 veth7403649 0.00 0.42 0.00 0.02 0.00 0.00 0.00 15:22:03 docker0 1004.90 917.90 78.57 3571.24 0.00 0.00 0.00 15:23:01 veth0545eca 0.00 0.02 0.00 0.00 0.00 0.00 0.00 15:23:01 veth7a7a9fc 0.00 0.14 0.00 0.01 0.00 0.00 0.00 15:23:01 veth6c922f1 0.00 0.14 0.00 0.01 0.00 0.00 0.00 15:23:01 eth0 3485.01 2706.77 16224.84 3258.84 0.00 0.00 0.00 15:24:03 eth0 95.47 64.41 284.14 66.05 0.00 0.00 0.00 15:24:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 15:24:03 veth7403649 0.00 0.67 0.00 0.03 0.00 0.00 0.00 15:24:03 docker0 1006.44 928.76 78.25 3710.32 0.00 0.00 0.00 15:25:01 vethd24a10c 0.00 0.14 0.00 0.01 0.00 0.00 0.00 15:25:01 veth39735ea 0.00 0.14 0.00 0.01 0.00 0.00 0.00 15:25:01 eth0 3630.05 2803.80 16583.78 3383.56 0.00 0.00 0.00 15:25:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:26:01 eth0 138.04 92.22 448.90 103.86 0.00 0.00 0.00 15:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 docker0 1092.33 1035.86 84.44 4343.44 0.00 0.00 0.00 15:27:01 eth0 0.27 0.20 0.24 0.08 0.00 0.00 0.00 15:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 15:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:31:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:32:01 eth0 0.25 0.18 0.14 0.07 0.00 0.00 0.00 15:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 eth0 0.12 0.10 0.01 0.01 0.00 0.00 0.00 15:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:34:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 15:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:35:01 eth0 0.07 0.05 0.00 0.00 0.00 0.00 0.00 15:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:36:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 15:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:37:01 eth0 0.20 0.17 0.08 0.07 0.00 0.00 0.00 15:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:38:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 15:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:39:02 eth0 83.60 61.02 2314.99 9.49 0.00 0.00 0.00 15:39:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:39:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 146.44 112.31 746.12 151.87 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 48.87 46.35 3.78 194.34 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) 08/18/20 _x86_64_ (4 CPU) 15:15:42 LINUX RESTART 15:17:01 CPU %user %nice %system %iowait %steal %idle 15:18:01 all 9.17 0.00 4.18 1.41 0.03 85.21 15:18:01 0 12.09 0.00 5.89 0.10 0.03 81.88 15:18:01 1 9.15 0.00 3.74 0.69 0.05 86.37 15:18:01 2 7.62 0.00 3.59 1.18 0.03 87.57 15:18:01 3 7.81 0.00 3.55 3.67 0.02 84.95 15:19:01 all 17.88 0.00 8.32 2.62 0.03 71.15 15:19:01 0 15.34 0.00 9.45 2.79 0.02 72.40 15:19:01 1 13.01 0.00 8.41 2.65 0.03 75.90 15:19:01 2 12.32 0.00 7.81 3.85 0.03 75.99 15:19:01 3 30.85 0.00 7.60 1.22 0.03 60.30 15:20:01 all 29.30 0.00 12.14 9.23 0.04 49.29 15:20:01 0 29.58 0.00 12.03 8.71 0.05 49.63 15:20:01 1 29.32 0.00 12.54 10.88 0.05 47.22 15:20:01 2 29.42 0.00 12.20 9.92 0.03 48.42 15:20:01 3 28.90 0.00 11.80 7.35 0.02 51.94 15:21:01 all 41.97 0.00 11.94 3.32 0.02 42.75 15:21:01 0 44.59 0.00 11.57 4.85 0.02 38.98 15:21:01 1 40.27 0.00 11.59 3.46 0.03 44.65 15:21:01 2 43.06 0.00 12.05 1.86 0.02 43.02 15:21:01 3 39.93 0.00 12.55 3.12 0.03 44.36 15:22:03 all 19.81 0.00 23.96 15.19 0.04 41.00 15:22:03 0 19.50 0.00 23.66 14.19 0.02 42.64 15:22:03 1 21.80 0.00 23.74 15.52 0.03 38.91 15:22:03 2 18.12 0.00 24.68 15.58 0.07 41.56 15:22:03 3 19.80 0.00 23.79 15.49 0.05 40.87 15:23:01 all 48.17 0.00 21.58 17.48 0.04 12.73 15:23:01 0 47.86 0.00 22.31 15.85 0.05 13.92 15:23:01 1 49.07 0.00 21.75 16.87 0.05 12.25 15:23:01 2 48.94 0.00 21.06 20.83 0.02 9.15 15:23:01 3 46.83 0.00 21.15 16.35 0.05 15.62 15:24:03 all 21.66 0.00 20.08 27.66 0.04 30.57 15:24:03 0 21.74 0.00 20.18 29.83 0.02 28.24 15:24:03 1 21.56 0.00 19.91 29.67 0.07 28.78 15:24:03 2 22.99 0.00 20.41 28.65 0.05 27.90 15:24:03 3 20.33 0.00 19.78 22.49 0.02 37.37 15:25:01 all 47.56 0.00 23.09 19.97 0.07 9.32 15:25:01 0 47.52 0.00 23.44 17.28 0.07 11.69 15:25:01 1 49.12 0.00 22.90 19.95 0.05 7.99 15:25:01 2 45.64 0.00 24.34 20.69 0.09 9.24 15:25:01 3 47.95 0.00 21.69 21.99 0.05 8.32 15:26:01 all 21.19 0.00 10.01 14.53 0.03 54.24 15:26:01 0 23.64 0.00 9.97 15.72 0.02 50.65 15:26:01 1 21.14 0.00 10.05 16.32 0.02 52.47 15:26:01 2 19.85 0.00 10.33 12.03 0.05 57.74 15:26:01 3 20.12 0.00 9.67 14.08 0.02 56.11 15:27:01 all 0.15 0.00 0.09 0.01 0.00 99.75 15:27:01 0 0.12 0.00 0.07 0.00 0.00 99.82 15:27:01 1 0.05 0.00 0.10 0.03 0.00 99.82 15:27:01 2 0.43 0.00 0.07 0.00 0.02 99.48 15:27:01 3 0.02 0.00 0.12 0.00 0.00 99.87 15:28:01 all 0.11 0.00 0.03 0.00 0.00 99.86 15:28:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:28:01 1 0.27 0.00 0.05 0.00 0.00 99.68 15:28:01 2 0.12 0.00 0.02 0.00 0.00 99.87 15:28:01 3 0.03 0.00 0.00 0.00 0.00 99.97 15:29:01 all 0.03 0.00 0.03 0.00 0.00 99.95 15:29:01 0 0.05 0.00 0.05 0.00 0.00 99.90 15:29:01 1 0.03 0.00 0.02 0.00 0.00 99.95 15:29:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:29:01 3 0.03 0.00 0.02 0.00 0.00 99.95 15:30:01 all 0.08 0.00 0.03 0.00 0.00 99.90 15:30:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:30:01 1 0.27 0.00 0.05 0.00 0.00 99.68 15:30:01 2 0.02 0.00 0.03 0.00 0.00 99.95 15:30:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:31:01 all 0.16 0.00 0.05 0.02 0.00 99.76 15:31:01 0 0.03 0.00 0.08 0.08 0.00 99.80 15:31:01 1 0.52 0.00 0.00 0.00 0.00 99.48 15:31:01 2 0.05 0.00 0.08 0.00 0.00 99.87 15:31:01 3 0.02 0.00 0.03 0.02 0.00 99.93 15:32:01 all 0.14 0.00 0.03 0.00 0.00 99.83 15:32:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:32:01 1 0.52 0.00 0.03 0.00 0.00 99.45 15:32:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:32:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:33:01 all 0.17 0.00 0.02 0.00 0.00 99.80 15:33:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:33:01 1 0.05 0.00 0.03 0.00 0.00 99.92 15:33:01 2 0.53 0.00 0.02 0.00 0.00 99.45 15:33:01 3 0.07 0.00 0.05 0.00 0.00 99.88 15:34:01 all 0.14 0.00 0.02 0.00 0.00 99.84 15:34:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:34:01 1 0.52 0.00 0.00 0.00 0.00 99.48 15:34:01 2 0.00 0.00 0.02 0.00 0.00 99.98 15:34:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:35:01 all 0.15 0.00 0.03 0.00 0.00 99.81 15:35:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:35:01 1 0.52 0.00 0.03 0.00 0.00 99.45 15:35:01 2 0.05 0.00 0.03 0.00 0.00 99.92 15:35:01 3 0.02 0.00 0.03 0.00 0.00 99.95 15:36:01 all 0.15 0.00 0.02 0.00 0.00 99.83 15:36:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:36:01 1 0.53 0.00 0.03 0.00 0.00 99.43 15:36:01 2 0.02 0.00 0.03 0.00 0.00 99.95 15:36:01 3 0.00 0.00 0.00 0.00 0.00 100.00 15:37:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:37:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:37:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:37:01 2 0.53 0.00 0.02 0.00 0.00 99.45 15:37:01 3 0.03 0.00 0.03 0.00 0.02 99.92 15:38:01 all 0.15 0.00 0.02 0.00 0.00 99.81 15:38:01 0 0.00 0.00 0.00 0.00 0.00 100.00 15:38:01 1 0.07 0.00 0.05 0.00 0.00 99.88 15:38:01 2 0.53 0.00 0.03 0.00 0.00 99.43 15:38:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:39:02 all 3.79 0.00 2.35 2.93 0.01 90.91 15:39:02 0 3.34 0.00 1.89 2.04 0.02 92.71 15:39:02 1 3.86 0.00 2.26 3.31 0.02 90.55 15:39:02 2 4.34 0.00 2.51 2.26 0.00 90.89 15:39:02 3 3.63 0.00 2.73 4.14 0.00 89.51 Average: all 11.66 0.00 6.16 5.12 0.02 77.04 Average: 0 11.83 0.00 6.29 5.00 0.01 76.87 Average: 1 11.66 0.00 6.14 5.35 0.02 76.83 Average: 2 11.33 0.00 6.22 5.22 0.02 77.21 Average: 3 11.83 0.00 6.00 4.90 0.01 77.26