---> uname -a: Linux prd-centos7-docker-4c-2g-2683.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 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 Srbds: Not affected 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /facter-os /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-229@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log /dev/vda1 50.0G 7.3G 42.7G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-229 ---> free -m: total used free shared buff/cache available Mem: 1837 725 111 0 1000 1007 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 inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:e5:7c:8a brd ff:ff:ff:ff:ff:ff inet 10.30.123.160/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85846sec preferred_lft 85846sec inet6 fe80::f816:3eff:fee5:7c8a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:89:3b:a6:64 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:89ff:fe3b:a664/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 05/03/21 _x86_64_ (4 CPU) 05:55:14 LINUX RESTART (4 CPU) 05:56:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:57:01 29.50 10.40 19.10 0.00 4400.68 2875.84 0.00 05:58:01 1.88 0.00 1.88 0.00 0.00 37.52 0.00 05:59:01 0.28 0.00 0.28 0.00 0.00 2.88 0.00 06:00:01 0.30 0.00 0.30 0.00 0.00 4.08 0.00 06:01:01 0.30 0.02 0.28 0.00 0.13 3.65 0.00 06:02:01 0.47 0.08 0.38 0.00 1.60 6.78 0.00 06:03:01 0.25 0.00 0.25 0.00 0.00 3.38 0.00 06:04:01 0.15 0.00 0.15 0.00 0.00 1.75 0.00 Average: 4.09 1.29 2.80 0.00 542.41 361.84 0.00 05:56:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:57:01 172612 0 607108 32.27 2620 1099204 1105200 37.72 405136 1105864 20 05:58:01 173564 0 606148 32.22 2620 1099212 1091476 37.25 405960 1104400 8 05:59:01 173692 0 606012 32.21 2620 1099220 1091500 37.25 422340 1088184 12 06:00:01 172432 0 607272 32.28 2620 1099220 1091512 37.25 424104 1087624 8 06:01:01 168896 0 610800 32.46 2620 1099228 1083000 36.96 430728 1084520 16 06:02:01 169108 0 610460 32.44 2620 1099356 1080784 36.89 430572 1084584 20 06:03:01 168256 0 611312 32.49 2620 1099356 1081008 36.89 431328 1084584 8 06:04:01 167836 0 611728 32.51 2620 1099360 1081188 36.90 431740 1084584 8 Average: 170800 0 608855 32.36 2620 1099270 1088208 37.14 422738 1090543 12 05:56:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:57:01 eth0 76.30 58.33 346.56 14.61 0.00 0.00 0.00 0.00 05:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 docker0 2.35 1.81 0.46 4.96 0.00 0.00 0.00 0.00 05:58:01 eth0 1.73 0.37 0.38 0.20 0.00 0.00 0.00 0.00 05:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 eth0 2.55 0.80 0.90 0.56 0.00 0.00 0.00 0.00 05:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 eth0 0.60 0.43 0.30 0.24 0.00 0.00 0.00 0.00 06:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 eth0 1.07 0.28 0.22 0.08 0.00 0.00 0.00 0.00 06:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 eth0 2.08 0.60 0.64 0.37 0.00 0.00 0.00 0.00 06:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 eth0 3.40 0.52 0.75 0.40 0.00 0.00 0.00 0.00 06:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 eth0 2.98 0.63 0.69 0.40 0.00 0.00 0.00 0.00 06:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 11.20 7.64 43.19 2.08 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.29 0.22 0.06 0.61 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 05/03/21 _x86_64_ (4 CPU) 05:55:14 LINUX RESTART (4 CPU) 05:56:02 CPU %user %nice %system %iowait %steal %idle 05:57:01 all 2.35 0.00 1.65 0.62 0.02 95.37 05:57:01 0 2.13 0.00 1.76 1.20 0.02 94.89 05:57:01 1 2.65 0.00 1.68 0.39 0.02 95.25 05:57:01 2 2.30 0.00 1.72 0.72 0.05 95.21 05:57:01 3 2.30 0.00 1.42 0.17 0.00 96.11 05:58:01 all 0.11 0.00 0.06 0.00 0.00 99.82 05:58:01 0 0.07 0.00 0.05 0.00 0.00 99.88 05:58:01 1 0.02 0.00 0.02 0.00 0.00 99.97 05:58:01 2 0.03 0.00 0.03 0.00 0.00 99.93 05:58:01 3 0.32 0.00 0.15 0.00 0.02 99.52 05:59:01 all 0.14 0.00 0.08 0.00 0.00 99.78 05:59:01 0 0.05 0.00 0.07 0.00 0.00 99.88 05:59:01 1 0.03 0.00 0.07 0.00 0.00 99.90 05:59:01 2 0.05 0.00 0.07 0.00 0.00 99.88 05:59:01 3 0.43 0.00 0.10 0.00 0.02 99.45 06:00:01 all 0.16 0.00 0.04 0.00 0.00 99.80 06:00:01 0 0.02 0.00 0.03 0.00 0.00 99.95 06:00:01 1 0.03 0.00 0.03 0.00 0.00 99.93 06:00:01 2 0.03 0.00 0.03 0.00 0.00 99.93 06:00:01 3 0.57 0.00 0.07 0.00 0.00 99.37 06:01:01 all 0.16 0.00 0.05 0.00 0.00 99.79 06:01:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:01:01 1 0.05 0.00 0.05 0.00 0.00 99.90 06:01:01 2 0.03 0.00 0.03 0.00 0.00 99.93 06:01:01 3 0.53 0.00 0.12 0.00 0.00 99.35 06:02:01 all 0.16 0.00 0.05 0.00 0.00 99.79 06:02:01 0 0.03 0.00 0.05 0.00 0.00 99.92 06:02:01 1 0.05 0.00 0.08 0.00 0.00 99.87 06:02:01 2 0.05 0.00 0.02 0.00 0.00 99.93 06:02:01 3 0.52 0.00 0.03 0.00 0.00 99.45 06:03:01 all 0.16 0.00 0.02 0.00 0.01 99.81 06:03:01 0 0.03 0.00 0.02 0.00 0.02 99.93 06:03:01 1 0.03 0.00 0.02 0.00 0.02 99.93 06:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 06:03:01 3 0.52 0.00 0.02 0.00 0.02 99.45 06:04:01 all 0.17 0.00 0.03 0.00 0.00 99.80 06:04:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:04:01 1 0.03 0.00 0.07 0.00 0.00 99.90 06:04:01 2 0.05 0.00 0.02 0.00 0.02 99.92 06:04:01 3 0.55 0.00 0.03 0.00 0.00 99.42 Average: all 0.42 0.00 0.24 0.08 0.01 99.25 Average: 0 0.29 0.00 0.25 0.15 0.00 99.31 Average: 1 0.36 0.00 0.25 0.05 0.00 99.34 Average: 2 0.32 0.00 0.24 0.09 0.01 99.34 Average: 3 0.71 0.00 0.24 0.02 0.01 99.02