---> uname -a: Linux prd-centos7-docker-4c-2g-20911.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/undry_go-mod-configuration_PR-27 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/undry_go-mod-configuration_PR-27@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 ---> free -m: total used free shared buff/cache available Mem: 1837 709 89 0 1038 1023 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:3a:f8:49 brd ff:ff:ff:ff:ff:ff inet 10.30.122.164/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86033sec preferred_lft 86033sec inet6 fe80::f816:3eff:fe3a:f849/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:ea:1b:27:fb 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:eaff:fe1b:27fb/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) 01/18/21 _x86_64_ (4 CPU) 06:13:29 LINUX RESTART (4 CPU) 06:14:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:15:01 51.65 14.99 36.66 0.00 4594.61 3143.99 0.00 06:16:01 0.70 0.00 0.70 0.00 0.00 17.21 0.00 06:17:01 0.30 0.00 0.30 0.00 0.00 3.90 0.00 06:18:01 0.22 0.00 0.22 0.00 0.00 3.10 0.00 06:19:01 0.23 0.00 0.23 0.00 0.00 3.53 0.00 Average: 10.62 3.00 7.62 0.00 919.04 634.43 0.00 06:14:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:15:01 152572 0 585844 31.14 2580 1140548 1102052 37.61 438660 1091912 20 06:16:01 156088 0 582320 30.95 2580 1140556 1075920 36.72 435676 1091572 20 06:17:01 156232 0 582172 30.94 2580 1140560 1075980 36.72 446656 1080772 20 06:18:01 157052 0 581352 30.90 2580 1140560 1076000 36.72 446576 1080772 20 06:19:01 154592 0 583804 31.03 2580 1140568 1065696 36.37 453220 1076700 16 Average: 155307 0 583098 30.99 2580 1140558 1079130 36.83 444158 1084346 19 06:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:15:01 eth0 538.16 330.29 967.63 91.27 0.00 0.00 0.00 0.00 06:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 docker0 0.83 0.77 0.16 0.87 0.00 0.00 0.00 0.00 06:16:01 eth0 7.32 0.30 0.88 0.17 0.00 0.00 0.00 0.00 06:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 eth0 7.81 0.98 1.67 0.81 0.00 0.00 0.00 0.00 06:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:18:01 eth0 1.83 0.97 1.07 0.75 0.00 0.00 0.00 0.00 06:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:19:01 eth0 0.37 0.20 0.15 0.08 0.00 0.00 0.00 0.00 06:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 111.11 66.56 194.30 18.62 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 0.17 0.15 0.03 0.17 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) 01/18/21 _x86_64_ (4 CPU) 06:13:29 LINUX RESTART (4 CPU) 06:14:01 CPU %user %nice %system %iowait %steal %idle 06:15:01 all 7.68 0.00 2.22 1.08 0.01 89.01 06:15:01 0 7.44 0.00 2.83 1.35 0.02 88.37 06:15:01 1 6.82 0.00 2.05 0.35 0.02 90.77 06:15:01 2 6.77 0.00 1.73 0.17 0.02 91.32 06:15:01 3 9.69 0.00 2.27 2.46 0.00 85.59 06:16:01 all 0.13 0.00 0.04 0.00 0.02 99.80 06:16:01 0 0.07 0.00 0.03 0.00 0.02 99.88 06:16:01 1 0.03 0.00 0.03 0.00 0.03 99.90 06:16:01 2 0.15 0.00 0.05 0.00 0.02 99.78 06:16:01 3 0.28 0.00 0.05 0.00 0.03 99.63 06:17:01 all 0.19 0.00 0.04 0.00 0.08 99.69 06:17:01 0 0.30 0.00 0.03 0.00 0.15 99.52 06:17:01 1 0.30 0.00 0.03 0.00 0.07 99.60 06:17:01 2 0.07 0.00 0.05 0.00 0.10 99.78 06:17:01 3 0.10 0.00 0.03 0.00 0.02 99.85 06:18:01 all 0.16 0.00 0.03 0.00 0.04 99.77 06:18:01 0 0.07 0.00 0.02 0.00 0.02 99.90 06:18:01 1 0.17 0.00 0.05 0.00 0.10 99.68 06:18:01 2 0.37 0.00 0.03 0.00 0.03 99.57 06:18:01 3 0.03 0.00 0.02 0.00 0.02 99.93 06:19:01 all 0.11 0.00 0.04 0.00 0.00 99.84 06:19:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:19:01 1 0.05 0.00 0.03 0.00 0.00 99.92 06:19:01 2 0.33 0.00 0.07 0.00 0.00 99.60 06:19:01 3 0.05 0.00 0.05 0.00 0.02 99.88 Average: all 1.64 0.00 0.47 0.21 0.03 97.64 Average: 0 1.57 0.00 0.58 0.27 0.04 97.55 Average: 1 1.47 0.00 0.44 0.07 0.04 97.98 Average: 2 1.53 0.00 0.38 0.03 0.03 98.02 Average: 3 2.02 0.00 0.48 0.49 0.02 97.00