---> uname -a: Linux prd-centos7-docker-4c-2g-15844.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: 2933.438 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 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% /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/undry_go-mod-configuration_PR-24 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/undry_go-mod-configuration_PR-24@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 ---> free -m: total used free shared buff/cache available Mem: 1837 691 92 0 1052 1041 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:9d:32:a1 brd ff:ff:ff:ff:ff:ff inet 10.30.122.204/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86035sec preferred_lft 86035sec inet6 fe80::f816:3eff:fe9d:32a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:c0:be:50:e2 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:c0ff:febe:50e2/64 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) 12/14/20 _x86_64_ (4 CPU) 06:27:38 LINUX RESTART (4 CPU) 06:28:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:29:01 100.68 43.07 57.61 0.00 7768.61 14934.93 0.00 06:30:01 2.48 0.00 2.48 0.00 0.00 55.04 0.00 06:31:01 0.38 0.00 0.38 0.00 0.00 6.23 0.00 06:32:01 0.27 0.00 0.27 0.00 0.00 3.46 0.00 06:33:01 0.18 0.00 0.18 0.00 0.00 3.13 0.00 Average: 20.81 8.62 12.19 0.00 1554.40 3001.85 0.00 06:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:29:01 158492 0 583564 31.02 2620 1136868 1105044 37.71 435096 1088836 132 06:30:01 161232 0 580736 30.86 2620 1136956 1104648 37.70 436468 1085072 20 06:31:01 162208 0 579752 30.81 2620 1136964 1079976 36.86 434468 1086468 20 06:32:01 162028 0 579932 30.82 2620 1136964 1080048 36.86 446076 1075256 20 06:33:01 161948 0 580004 30.83 2620 1136972 1080096 36.86 442700 1078824 12 Average: 161182 0 580798 30.87 2620 1136945 1089962 37.20 438962 1082891 41 06:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:29:01 eth0 483.21 299.68 1046.66 90.39 0.00 0.00 0.00 0.00 06:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:29:01 docker0 0.87 0.80 0.16 0.86 0.00 0.00 0.00 0.00 06:30:01 eth0 4.00 0.70 1.06 0.55 0.00 0.00 0.00 0.00 06:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:31:01 eth0 4.60 0.92 1.08 0.60 0.00 0.00 0.00 0.00 06:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:32:01 eth0 6.88 1.00 1.53 0.76 0.00 0.00 0.00 0.00 06:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:33:01 eth0 5.83 0.95 1.45 0.80 0.00 0.00 0.00 0.00 06:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 100.94 60.68 210.45 18.63 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 0.16 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) 12/14/20 _x86_64_ (4 CPU) 06:27:38 LINUX RESTART (4 CPU) 06:28:01 CPU %user %nice %system %iowait %steal %idle 06:29:01 all 12.38 0.00 5.59 3.15 0.05 78.84 06:29:01 0 11.71 0.00 6.64 5.00 0.03 76.62 06:29:01 1 12.06 0.00 5.01 2.69 0.05 80.19 06:29:01 2 12.71 0.00 5.48 3.77 0.05 77.99 06:29:01 3 13.05 0.00 5.23 1.12 0.05 80.55 06:30:01 all 0.19 0.00 0.07 0.00 0.00 99.73 06:30:01 0 0.08 0.00 0.08 0.00 0.02 99.82 06:30:01 1 0.60 0.00 0.10 0.00 0.00 99.30 06:30:01 2 0.05 0.00 0.07 0.00 0.00 99.88 06:30:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:31:01 all 0.20 0.00 0.05 0.00 0.00 99.75 06:31:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:31:01 1 0.57 0.00 0.08 0.00 0.00 99.35 06:31:01 2 0.10 0.00 0.05 0.00 0.00 99.85 06:31:01 3 0.12 0.00 0.05 0.00 0.00 99.83 06:32:01 all 0.17 0.00 0.05 0.00 0.00 99.77 06:32:01 0 0.03 0.00 0.03 0.00 0.02 99.92 06:32:01 1 0.55 0.00 0.08 0.00 0.00 99.37 06:32:01 2 0.07 0.00 0.07 0.00 0.00 99.87 06:32:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:33:01 all 0.17 0.00 0.15 0.00 0.23 99.45 06:33:01 0 0.03 0.00 0.03 0.00 0.22 99.72 06:33:01 1 0.50 0.00 0.22 0.00 0.18 99.10 06:33:01 2 0.08 0.00 0.12 0.00 0.23 99.57 06:33:01 3 0.07 0.00 0.25 0.00 0.28 99.40 Average: all 2.59 0.00 1.17 0.62 0.06 95.56 Average: 0 2.35 0.00 1.35 0.99 0.06 95.25 Average: 1 2.83 0.00 1.09 0.53 0.05 95.51 Average: 2 2.57 0.00 1.14 0.74 0.06 95.49 Average: 3 2.62 0.00 1.10 0.22 0.07 95.99