---> uname -a: Linux prd-centos7-docker-4c-2g-21336.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: 2933.436 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% /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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 700 105 0 1031 1032 Swap: 1023 0 1023 ---> 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:cd:96:96 brd ff:ff:ff:ff:ff:ff inet 10.30.122.15/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86020sec preferred_lft 86020sec inet6 fe80::f816:3eff:fecd:9696/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:7d:7e:88:7b 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::42:7dff:fe7e:887b/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) 01/19/21 _x86_64_ (4 CPU) 22:04:21 LINUX RESTART (4 CPU) 22:05:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:06:01 44.27 12.07 32.20 0.00 4510.33 3120.21 0.00 22:07:01 1.78 0.00 1.78 0.00 0.00 32.30 0.00 22:08:01 0.22 0.00 0.22 0.00 0.00 1.76 0.00 22:09:01 0.38 0.00 0.38 0.00 0.00 6.58 0.00 22:10:01 0.22 0.00 0.22 0.00 0.00 2.88 0.00 Average: 9.14 2.35 6.79 0.00 877.97 616.14 0.00 22:05:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:06:01 149144 0 599580 31.87 2620 1130200 1106156 37.75 424372 1107308 136 22:07:01 152240 0 596420 31.70 2620 1130264 1094516 37.35 424604 1105396 20 22:08:01 151708 0 597004 31.73 2620 1130212 1094564 37.36 434232 1095980 20 22:09:01 151112 0 597596 31.76 2620 1130216 1094548 37.36 435684 1095380 12 22:10:01 152600 0 596104 31.68 2620 1130220 1080024 36.86 431876 1098084 8 Average: 151361 0 597341 31.75 2620 1130222 1093962 37.34 430154 1100430 39 22:05:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:06:01 eth0 172.09 116.55 483.73 54.06 0.00 0.00 0.00 0.00 22:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:06:01 docker0 0.79 0.77 0.16 0.91 0.00 0.00 0.00 0.00 22:07:01 eth0 6.77 1.13 1.61 0.77 0.00 0.00 0.00 0.00 22:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 eth0 2.76 0.78 0.95 0.60 0.00 0.00 0.00 0.00 22:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 eth0 1.02 0.57 0.56 0.40 0.00 0.00 0.00 0.00 22:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 eth0 0.27 0.20 0.09 0.08 0.00 0.00 0.00 0.00 22:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 35.68 23.23 94.81 10.89 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 0.15 0.15 0.03 0.18 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) 01/19/21 _x86_64_ (4 CPU) 22:04:21 LINUX RESTART (4 CPU) 22:05:03 CPU %user %nice %system %iowait %steal %idle 22:06:01 all 3.74 0.00 2.39 1.13 0.05 92.69 22:06:01 0 3.57 0.00 2.33 0.45 0.03 93.61 22:06:01 1 3.57 0.00 2.71 2.46 0.05 91.20 22:06:01 2 4.16 0.00 2.27 1.35 0.05 92.16 22:06:01 3 3.67 0.00 2.24 0.26 0.05 93.78 22:07:01 all 0.17 0.00 0.05 0.00 0.14 99.64 22:07:01 0 0.07 0.00 0.05 0.00 0.08 99.80 22:07:01 1 0.10 0.00 0.08 0.00 0.25 99.57 22:07:01 2 0.13 0.00 0.03 0.00 0.12 99.72 22:07:01 3 0.40 0.00 0.03 0.00 0.10 99.47 22:08:01 all 0.12 0.00 0.05 0.00 0.22 99.60 22:08:01 0 0.05 0.00 0.05 0.00 0.27 99.63 22:08:01 1 0.07 0.00 0.07 0.00 0.20 99.67 22:08:01 2 0.05 0.00 0.05 0.00 0.27 99.63 22:08:01 3 0.32 0.00 0.05 0.00 0.15 99.48 22:09:01 all 0.15 0.00 0.05 0.00 0.04 99.76 22:09:01 0 0.03 0.00 0.03 0.00 0.03 99.90 22:09:01 1 0.05 0.00 0.08 0.00 0.03 99.83 22:09:01 2 0.05 0.00 0.05 0.00 0.05 99.85 22:09:01 3 0.45 0.00 0.05 0.00 0.05 99.45 22:10:01 all 0.17 0.00 0.12 0.00 0.05 99.67 22:10:01 0 0.07 0.00 0.10 0.00 0.07 99.77 22:10:01 1 0.05 0.00 0.25 0.00 0.03 99.67 22:10:01 2 0.05 0.00 0.05 0.00 0.05 99.85 22:10:01 3 0.50 0.00 0.07 0.00 0.05 99.38 Average: all 0.85 0.00 0.52 0.22 0.10 98.32 Average: 0 0.73 0.00 0.50 0.09 0.10 98.58 Average: 1 0.75 0.00 0.62 0.48 0.11 98.04 Average: 2 0.86 0.00 0.48 0.26 0.11 98.29 Average: 3 1.04 0.00 0.47 0.05 0.08 98.35