---> uname -a: Linux 44a6a9ebf225 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-150 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/gexfoundry_device-mqtt-go_PR-150@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 643 68 0 1126 1090 Swap: 1023 1 1022 ---> 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 6: eth0@if7: 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 06/04/20 _x86_64_ (4 CPU) 14:55:37 LINUX RESTART 14:56:02 tps rtps wtps bread/s bwrtn/s 14:57:01 78.81 35.13 43.68 4999.29 6137.77 14:58:01 3.25 0.00 3.25 0.00 121.49 14:59:01 0.27 0.00 0.27 0.00 3.65 15:00:02 0.32 0.00 0.32 0.00 3.03 15:01:01 0.32 0.02 0.30 0.14 4.08 15:02:01 0.58 0.13 0.45 2.66 8.87 15:03:01 0.28 0.00 0.28 0.00 2.85 15:04:01 0.18 0.00 0.18 0.00 1.88 15:05:01 0.22 0.00 0.22 0.00 2.17 15:06:01 0.32 0.00 0.32 0.00 3.53 15:07:01 156.83 96.94 59.89 5797.14 18477.77 Average: 21.89 12.01 9.89 977.43 2249.48 14:56:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:57:01 100832 1781472 94.64 2620 1204992 934492 31.88 463660 1151440 16 14:58:01 109020 1773284 94.21 2620 1205024 904872 30.87 458700 1151092 16 14:59:01 108536 1773768 94.23 2620 1205032 905056 30.88 459600 1151080 8 15:00:02 107768 1774536 94.27 2620 1205036 905140 30.88 461008 1150080 16 15:01:01 108156 1774148 94.25 2620 1205044 907704 30.97 460644 1150076 12 15:02:01 108972 1773332 94.21 2620 1205204 905516 30.90 460540 1150172 8 15:03:01 108848 1773456 94.22 2620 1205204 905504 30.90 460520 1150164 8 15:04:01 109536 1772768 94.18 2620 1205208 905444 30.89 459556 1150156 8 15:05:01 108776 1773528 94.22 2620 1205216 905624 30.90 460416 1150156 8 15:06:01 126844 1755460 93.26 2620 1205220 905444 30.89 442188 1150092 8 15:07:01 93880 1788424 95.01 2620 1163604 946668 32.30 470656 1121668 54656 Average: 108288 1774016 94.25 2620 1201344 911951 31.12 459772 1147834 4979 14:56:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:57:01 eth0 467.63 281.57 1053.91 97.35 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 docker0 1.95 1.57 0.33 3.30 0.00 0.00 0.00 14:58:01 eth0 0.15 0.18 0.03 0.03 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 eth0 4.16 2.13 3.72 0.14 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:02 eth0 1.13 0.53 0.35 0.19 0.00 0.00 0.00 15:00:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 15:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 15:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 eth0 0.22 0.20 0.07 0.01 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 eth0 0.57 0.07 0.04 0.01 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 eth0 0.48 0.43 0.27 0.21 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 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 eth0 0.07 0.07 0.01 0.01 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 15:07:01 veth3815217 0.23 0.32 0.41 0.10 0.00 0.00 0.00 15:07:01 eth0 616.22 388.00 3426.45 114.27 0.00 0.00 0.00 15:07:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 15:07:01 docker0 2.15 1.76 0.73 3.34 0.00 0.00 0.00 Average: veth3815217 0.02 0.03 0.04 0.01 0.00 0.00 0.00 Average: eth0 56.19 35.38 312.46 10.42 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.20 0.16 0.07 0.30 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 06/04/20 _x86_64_ (4 CPU) 14:55:37 LINUX RESTART 14:56:02 CPU %user %nice %system %iowait %steal %idle 14:57:01 all 13.29 0.00 5.49 2.03 0.03 79.17 14:57:01 0 12.29 0.00 5.80 2.12 0.02 79.77 14:57:01 1 11.95 0.00 5.70 1.66 0.03 80.66 14:57:01 2 13.73 0.00 5.56 1.35 0.02 79.35 14:57:01 3 15.22 0.00 4.87 2.96 0.05 76.90 14:58:01 all 0.21 0.00 0.06 0.00 0.00 99.73 14:58:01 0 0.07 0.00 0.05 0.00 0.00 99.88 14:58:01 1 0.10 0.00 0.08 0.00 0.00 99.82 14:58:01 2 0.08 0.00 0.07 0.00 0.02 99.83 14:58:01 3 0.57 0.00 0.07 0.00 0.02 99.35 14:59:01 all 0.23 0.00 0.06 0.00 0.00 99.71 14:59:01 0 0.07 0.00 0.03 0.00 0.00 99.90 14:59:01 1 0.13 0.00 0.07 0.00 0.00 99.80 14:59:01 2 0.12 0.00 0.10 0.00 0.00 99.78 14:59:01 3 0.60 0.00 0.05 0.00 0.00 99.35 15:00:02 all 0.18 0.00 0.06 0.00 0.00 99.75 15:00:02 0 0.02 0.00 0.05 0.00 0.00 99.93 15:00:02 1 0.08 0.00 0.08 0.00 0.00 99.83 15:00:02 2 0.08 0.00 0.05 0.00 0.00 99.87 15:00:02 3 0.52 0.00 0.05 0.00 0.00 99.43 15:01:01 all 0.17 0.00 0.07 0.00 0.04 99.72 15:01:01 0 0.08 0.00 0.07 0.00 0.08 99.76 15:01:01 1 0.05 0.00 0.05 0.00 0.03 99.86 15:01:01 2 0.07 0.00 0.05 0.02 0.02 99.85 15:01:01 3 0.49 0.00 0.10 0.00 0.03 99.37 15:02:01 all 0.20 0.00 0.05 0.00 0.02 99.73 15:02:01 0 0.07 0.00 0.07 0.00 0.02 99.85 15:02:01 1 0.08 0.00 0.05 0.02 0.03 99.82 15:02:01 2 0.10 0.00 0.07 0.00 0.00 99.83 15:02:01 3 0.55 0.00 0.05 0.00 0.00 99.40 15:03:01 all 0.18 0.00 0.05 0.00 0.00 99.77 15:03:01 0 0.07 0.00 0.05 0.00 0.00 99.88 15:03:01 1 0.07 0.00 0.03 0.00 0.00 99.90 15:03:01 2 0.07 0.00 0.03 0.00 0.00 99.90 15:03:01 3 0.55 0.00 0.05 0.00 0.00 99.40 15:04:01 all 0.19 0.00 0.05 0.00 0.01 99.76 15:04:01 0 0.02 0.00 0.03 0.00 0.02 99.93 15:04:01 1 0.10 0.00 0.05 0.00 0.00 99.85 15:04:01 2 0.05 0.00 0.03 0.00 0.02 99.90 15:04:01 3 0.55 0.00 0.05 0.00 0.02 99.38 15:05:01 all 0.20 0.00 0.05 0.00 0.00 99.75 15:05:01 0 0.07 0.00 0.03 0.00 0.00 99.90 15:05:01 1 0.10 0.00 0.07 0.00 0.00 99.83 15:05:01 2 0.12 0.00 0.07 0.00 0.00 99.82 15:05:01 3 0.53 0.00 0.05 0.00 0.00 99.42 15:06:01 all 0.18 0.00 0.05 0.00 0.00 99.77 15:06:01 0 0.05 0.00 0.05 0.00 0.00 99.90 15:06:01 1 0.20 0.00 0.03 0.00 0.00 99.77 15:06:01 2 0.07 0.00 0.03 0.00 0.02 99.88 15:06:01 3 0.40 0.00 0.07 0.00 0.00 99.53 15:07:01 all 6.18 0.00 3.54 2.70 0.10 87.48 15:07:01 0 7.21 0.00 3.85 2.99 0.07 85.89 15:07:01 1 5.74 0.00 3.24 3.04 0.13 87.85 15:07:01 2 6.06 0.00 3.73 2.43 0.12 87.66 15:07:01 3 5.70 0.00 3.38 2.32 0.10 88.49 Average: all 1.90 0.00 0.86 0.43 0.02 96.80 Average: 0 1.79 0.00 0.90 0.46 0.02 96.82 Average: 1 1.67 0.00 0.85 0.42 0.02 97.04 Average: 2 1.84 0.00 0.88 0.34 0.02 96.92 Average: 3 2.30 0.00 0.79 0.47 0.02 96.42