---> uname -a: Linux 8c9817b9c50b 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-mqtt-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 782 91 0 963 987 Swap: 1023 3 1020 ---> 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 24: eth0@if25: 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) 06/11/20 _x86_64_ (4 CPU) 00:39:54 LINUX RESTART 00:41:01 tps rtps wtps bread/s bwrtn/s 00:42:01 1.55 0.00 1.55 0.00 29.38 00:43:01 0.27 0.00 0.27 0.00 3.65 00:44:01 0.28 0.00 0.28 0.00 3.50 00:45:01 0.23 0.00 0.23 0.00 2.70 00:46:01 0.43 0.00 0.43 0.00 6.48 00:47:01 0.30 0.02 0.28 0.13 2.86 00:48:01 0.30 0.00 0.30 0.00 3.26 00:49:01 0.25 0.00 0.25 0.00 3.38 00:50:01 0.18 0.00 0.18 0.00 2.16 00:51:01 0.28 0.00 0.28 0.00 3.63 00:52:01 205.19 127.15 78.04 5669.25 30728.82 00:53:01 198.79 70.08 128.70 3217.30 28493.10 Average: 34.03 16.45 17.58 741.01 4943.85 00:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:42:01 160176 1721380 91.49 2620 1158620 1081816 36.92 428180 1133864 16 00:43:01 159684 1721872 91.51 2620 1158624 1072564 36.60 429724 1133140 8 00:44:01 158320 1723236 91.59 2620 1158632 1072780 36.61 430888 1133140 8 00:45:01 157576 1723980 91.63 2620 1158688 1072684 36.61 434232 1130484 16 00:46:01 157796 1723760 91.61 2620 1158640 1072660 36.61 434280 1130444 8 00:47:01 158156 1723400 91.59 2620 1158648 1072728 36.61 433852 1130440 12 00:48:01 158752 1722804 91.56 2620 1158652 1072692 36.61 427512 1136584 8 00:49:01 158612 1722944 91.57 2620 1158660 1072692 36.61 427520 1136584 16 00:50:01 158488 1723068 91.58 2620 1158664 1072692 36.61 427652 1136584 8 00:51:01 158112 1723444 91.60 2620 1158672 1072764 36.61 427916 1136584 8 00:52:01 81832 1799724 95.65 2620 1095840 1422440 48.55 519344 1070040 16524 00:53:01 117388 1764168 93.76 1948 995404 1292308 44.10 601104 872944 35332 Average: 148741 1732815 92.09 2564 1139812 1120902 38.25 451850 1106736 4330 00:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:42:01 eth0 1.65 0.93 1.43 0.06 0.00 0.00 0.00 00:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 eth0 0.50 0.08 0.05 0.01 0.00 0.00 0.00 00:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 eth0 1.20 0.48 0.33 0.21 0.00 0.00 0.00 00:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:45:01 eth0 1.03 0.37 0.33 0.20 0.00 0.00 0.00 00:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:46:01 eth0 0.50 0.17 0.09 0.07 0.00 0.00 0.00 00:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:47:01 eth0 0.65 0.20 0.14 0.02 0.00 0.00 0.00 00:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:48:01 eth0 0.48 0.02 0.05 0.00 0.00 0.00 0.00 00:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:49:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 00:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 eth0 0.30 0.22 0.14 0.07 0.00 0.00 0.00 00:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:52:01 veth59639b9 22.67 24.60 2.46 79.05 0.00 0.00 0.00 00:52:01 eth0 695.31 424.34 4941.07 107.79 0.00 0.00 0.00 00:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 00:52:01 docker0 24.17 26.07 2.44 82.26 0.00 0.00 0.00 00:53:01 eth0 221.09 158.96 3404.26 85.97 0.00 0.00 0.00 00:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:53:01 docker0 3.97 3.91 0.95 2.94 0.00 0.00 0.00 Average: eth0 33.42 23.29 605.50 8.67 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.22 2.37 0.26 6.83 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) 06/11/20 _x86_64_ (4 CPU) 00:39:54 LINUX RESTART 00:41:01 CPU %user %nice %system %iowait %steal %idle 00:42:01 all 0.17 0.00 0.05 0.00 0.00 99.78 00:42:01 0 0.13 0.00 0.05 0.00 0.00 99.82 00:42:01 1 0.10 0.00 0.05 0.00 0.00 99.85 00:42:01 2 0.42 0.00 0.07 0.00 0.00 99.52 00:42:01 3 0.03 0.00 0.03 0.00 0.00 99.93 00:43:01 all 0.15 0.00 0.04 0.00 0.00 99.82 00:43:01 0 0.02 0.00 0.00 0.00 0.00 99.98 00:43:01 1 0.03 0.00 0.05 0.00 0.00 99.92 00:43:01 2 0.50 0.00 0.05 0.00 0.02 99.43 00:43:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:44:01 all 0.13 0.00 0.03 0.00 0.00 99.84 00:44:01 0 0.03 0.00 0.03 0.00 0.00 99.93 00:44:01 1 0.03 0.00 0.02 0.00 0.00 99.95 00:44:01 2 0.18 0.00 0.05 0.00 0.00 99.77 00:44:01 3 0.30 0.00 0.02 0.00 0.00 99.68 00:45:01 all 0.14 0.00 0.04 0.00 0.00 99.82 00:45:01 0 0.03 0.00 0.03 0.00 0.00 99.93 00:45:01 1 0.03 0.00 0.03 0.00 0.00 99.93 00:45:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:45:01 3 0.45 0.00 0.03 0.00 0.00 99.52 00:46:01 all 0.04 0.00 0.03 0.00 0.00 99.93 00:46:01 0 0.03 0.00 0.02 0.00 0.00 99.95 00:46:01 1 0.05 0.00 0.07 0.00 0.00 99.88 00:46:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:46:01 3 0.03 0.00 0.03 0.00 0.00 99.93 00:47:01 all 0.14 0.00 0.03 0.00 0.00 99.83 00:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:47:01 1 0.00 0.00 0.02 0.00 0.00 99.98 00:47:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:47:01 3 0.45 0.00 0.03 0.00 0.00 99.52 00:48:01 all 0.16 0.00 0.04 0.00 0.00 99.80 00:48:01 0 0.05 0.00 0.07 0.00 0.00 99.88 00:48:01 1 0.03 0.00 0.03 0.00 0.00 99.93 00:48:01 2 0.03 0.00 0.02 0.00 0.02 99.93 00:48:01 3 0.52 0.00 0.02 0.00 0.00 99.47 00:49:01 all 0.16 0.00 0.02 0.00 0.00 99.82 00:49:01 0 0.05 0.00 0.03 0.00 0.00 99.92 00:49:01 1 0.03 0.00 0.02 0.00 0.02 99.93 00:49:01 2 0.05 0.00 0.03 0.00 0.00 99.92 00:49:01 3 0.50 0.00 0.03 0.00 0.00 99.47 00:50:01 all 0.15 0.00 0.03 0.00 0.00 99.82 00:50:01 0 0.03 0.00 0.02 0.00 0.00 99.95 00:50:01 1 0.03 0.00 0.03 0.00 0.00 99.93 00:50:01 2 0.03 0.00 0.05 0.00 0.00 99.92 00:50:01 3 0.52 0.00 0.03 0.00 0.00 99.45 00:51:01 all 0.15 0.00 0.03 0.00 0.00 99.81 00:51:01 0 0.02 0.00 0.00 0.00 0.00 99.98 00:51:01 1 0.02 0.00 0.02 0.00 0.00 99.97 00:51:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:51:01 3 0.55 0.00 0.05 0.00 0.00 99.40 00:52:01 all 7.59 0.00 4.41 1.36 0.11 86.53 00:52:01 0 7.26 0.00 4.79 1.03 0.08 86.84 00:52:01 1 7.33 0.00 4.55 1.85 0.12 86.15 00:52:01 2 7.46 0.00 4.31 1.89 0.10 86.23 00:52:01 3 8.28 0.00 3.98 0.67 0.13 86.93 00:53:01 all 9.86 0.00 7.37 2.67 0.04 80.07 00:53:01 0 9.70 0.00 7.99 4.94 0.05 77.32 00:53:01 1 9.82 0.00 7.32 3.12 0.05 79.69 00:53:01 2 9.38 0.00 7.35 1.01 0.03 82.23 00:53:01 3 10.55 0.00 6.79 1.59 0.05 81.02 Average: all 1.55 0.00 1.00 0.33 0.01 97.10 Average: 0 1.43 0.00 1.07 0.49 0.01 96.99 Average: 1 1.44 0.00 1.00 0.41 0.02 97.13 Average: 2 1.51 0.00 1.00 0.24 0.01 97.24 Average: 3 1.83 0.00 0.91 0.19 0.02 97.06