---> uname -a: Linux prd-centos7-docker-4c-2g-20578.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% /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-26 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/undry_go-mod-configuration_PR-26@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 733 106 0 997 998 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:37:1e:29 brd ff:ff:ff:ff:ff:ff inet 10.30.123.249/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86075sec preferred_lft 86075sec inet6 fe80::f816:3eff:fe37:1e29/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:c7:fe:51:f5 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:c7ff:fefe:51f5/64 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) 01/15/21 _x86_64_ (4 CPU) 18:51:09 LINUX RESTART (4 CPU) 18:52:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:53:01 28.91 11.38 17.53 0.00 4399.47 2941.89 0.00 18:54:01 1.43 0.00 1.43 0.00 0.00 20.45 0.00 18:55:01 0.30 0.00 0.30 0.00 0.00 3.86 0.00 18:56:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 Average: 7.72 2.85 4.87 0.00 1100.37 742.60 0.00 18:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:53:01 144452 0 632360 33.61 2612 1102120 1102200 37.62 444076 1094864 24 18:54:01 148032 0 628772 33.42 2612 1102128 1071692 36.58 444404 1091688 8 18:55:01 148088 0 628712 33.41 2612 1102132 1071704 36.58 454648 1081444 8 18:56:01 148436 0 628360 33.40 2612 1102136 1071512 36.57 455252 1080836 8 Average: 147252 0 629551 33.46 2612 1102129 1079277 36.83 449595 1087208 12 18:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:53:01 eth0 79.88 60.60 343.19 33.78 0.00 0.00 0.00 0.00 18:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 docker0 0.72 0.72 0.15 0.86 0.00 0.00 0.00 0.00 18:54:01 eth0 1.57 0.48 0.37 0.21 0.00 0.00 0.00 0.00 18:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:55:01 eth0 0.52 0.38 0.27 0.20 0.00 0.00 0.00 0.00 18:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.51 15.38 86.00 8.55 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 0.18 0.18 0.04 0.21 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) 01/15/21 _x86_64_ (4 CPU) 18:51:09 LINUX RESTART (4 CPU) 18:52:01 CPU %user %nice %system %iowait %steal %idle 18:53:01 all 2.97 0.00 2.04 0.41 0.07 94.51 18:53:01 0 2.97 0.00 1.94 0.07 0.02 95.00 18:53:01 1 2.73 0.00 2.01 0.18 0.07 95.01 18:53:01 2 3.35 0.00 2.13 0.15 0.08 94.29 18:53:01 3 2.83 0.00 2.06 1.26 0.10 93.75 18:54:01 all 0.16 0.00 0.05 0.00 0.00 99.79 18:54:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:54:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:54:01 2 0.08 0.00 0.05 0.00 0.00 99.87 18:54:01 3 0.45 0.00 0.05 0.00 0.00 99.50 18:55:01 all 0.17 0.00 0.05 0.00 0.01 99.78 18:55:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:55:01 1 0.07 0.00 0.05 0.00 0.02 99.87 18:55:01 2 0.05 0.00 0.03 0.00 0.02 99.90 18:55:01 3 0.53 0.00 0.10 0.00 0.00 99.37 18:56:01 all 0.15 0.00 0.03 0.00 0.00 99.81 18:56:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:56:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:56:01 2 0.02 0.00 0.02 0.00 0.00 99.97 18:56:01 3 0.52 0.00 0.03 0.00 0.00 99.45 Average: all 0.86 0.00 0.54 0.10 0.02 98.48 Average: 0 0.76 0.00 0.50 0.02 0.00 98.72 Average: 1 0.73 0.00 0.55 0.05 0.02 98.66 Average: 2 0.87 0.00 0.55 0.04 0.03 98.51 Average: 3 1.08 0.00 0.56 0.31 0.03 98.02