---> uname -a: Linux prd-centos7-docker-4c-2g-33662.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% /w/workspace/undry_go-mod-configuration_PR-31 /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-31@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 722 103 0 1011 1010 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:b3:6e:26 brd ff:ff:ff:ff:ff:ff inet 10.30.123.141/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85856sec preferred_lft 85856sec inet6 fe80::f816:3eff:feb3:6e26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:96:17:9f:28 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::42:96ff:fe17:9f28/64 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) 04/12/21 _x86_64_ (4 CPU) 05:59:58 LINUX RESTART (4 CPU) 06:01:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:02:01 30.91 11.26 19.65 0.00 4441.60 3048.73 0.00 06:03:01 0.52 0.00 0.52 0.00 0.00 7.40 0.00 06:04:01 0.23 0.00 0.23 0.00 0.00 2.98 0.00 06:05:01 0.18 0.00 0.18 0.00 0.00 2.45 0.00 06:06:01 0.25 0.00 0.25 0.00 0.00 3.01 0.00 06:07:01 0.20 0.00 0.20 0.00 0.00 1.90 0.00 06:08:01 0.28 0.00 0.28 0.00 0.00 2.93 0.00 06:09:02 79.93 50.54 29.39 0.00 4132.21 9058.20 0.00 Average: 14.03 7.74 6.30 0.00 1059.82 1514.31 0.00 06:01:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:02:01 145332 0 618136 32.85 2620 1115456 1109932 37.88 434212 1103304 20 06:03:01 149704 0 613756 32.62 2620 1115464 1078660 36.81 434908 1098776 8 06:04:01 147536 0 615920 32.73 2620 1115468 1078768 36.82 438720 1097632 8 06:05:01 145740 0 617712 32.83 2620 1115472 1078828 36.82 442896 1095088 12 06:06:01 143232 0 620216 32.96 2620 1115476 1078768 36.82 450404 1090036 8 06:07:01 144036 0 619404 32.92 2620 1115484 1078656 36.81 449960 1090036 8 06:08:01 143732 0 619708 32.94 2620 1115484 1078660 36.81 449964 1090032 8 06:09:02 65280 0 724780 38.52 2620 1088864 1514880 51.70 584292 1009932 72852 Average: 135574 0 631204 33.55 2620 1112146 1137144 38.81 460670 1084354 9116 06:01:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:02:01 eth0 75.28 58.83 347.94 28.18 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 1.02 0.86 0.20 1.34 0.00 0.00 0.00 0.00 06:03:01 eth0 0.60 0.08 0.06 0.04 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 1.72 0.32 0.38 0.20 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 06:05:01 eth0 1.02 0.52 0.54 0.39 0.00 0.00 0.00 0.00 06:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 eth0 1.32 0.52 0.46 0.27 0.00 0.00 0.00 0.00 06:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 eth0 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:02 eth0 223.14 190.90 2161.75 18.92 0.00 0.00 0.00 0.00 06:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 37.86 31.39 314.89 5.92 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 0.12 0.10 0.02 0.16 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) 04/12/21 _x86_64_ (4 CPU) 05:59:58 LINUX RESTART (4 CPU) 06:01:03 CPU %user %nice %system %iowait %steal %idle 06:02:01 all 2.42 0.00 1.80 0.58 0.06 95.14 06:02:01 0 2.61 0.00 1.73 0.19 0.07 95.40 06:02:01 1 2.70 0.00 1.73 0.38 0.05 95.13 06:02:01 2 2.20 0.00 2.02 0.22 0.05 95.50 06:02:01 3 2.18 0.00 1.70 1.51 0.09 94.53 06:03:01 all 0.17 0.00 0.03 0.00 0.00 99.80 06:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:03:01 1 0.53 0.00 0.03 0.00 0.00 99.43 06:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 06:03:01 3 0.07 0.00 0.05 0.00 0.00 99.88 06:04:01 all 0.17 0.00 0.05 0.00 0.00 99.79 06:04:01 0 0.40 0.00 0.02 0.00 0.00 99.58 06:04:01 1 0.07 0.00 0.08 0.00 0.00 99.85 06:04:01 2 0.12 0.00 0.03 0.00 0.00 99.85 06:04:01 3 0.08 0.00 0.05 0.00 0.00 99.87 06:05:01 all 0.17 0.00 0.04 0.00 0.00 99.79 06:05:01 0 0.52 0.00 0.03 0.00 0.00 99.45 06:05:01 1 0.08 0.00 0.05 0.00 0.00 99.87 06:05:01 2 0.05 0.00 0.03 0.00 0.02 99.90 06:05:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:06:01 all 0.16 0.00 0.05 0.00 0.01 99.78 06:06:01 0 0.50 0.00 0.02 0.00 0.00 99.48 06:06:01 1 0.03 0.00 0.12 0.00 0.02 99.83 06:06:01 2 0.03 0.00 0.02 0.00 0.00 99.95 06:06:01 3 0.08 0.00 0.05 0.00 0.02 99.85 06:07:01 all 0.15 0.00 0.02 0.00 0.00 99.82 06:07:01 0 0.52 0.00 0.02 0.00 0.00 99.47 06:07:01 1 0.05 0.00 0.02 0.00 0.00 99.93 06:07:01 2 0.00 0.00 0.02 0.00 0.02 99.97 06:07:01 3 0.05 0.00 0.05 0.00 0.00 99.90 06:08:01 all 0.15 0.00 0.03 0.00 0.01 99.80 06:08:01 0 0.50 0.00 0.02 0.00 0.02 99.47 06:08:01 1 0.02 0.00 0.03 0.00 0.00 99.95 06:08:01 2 0.07 0.00 0.07 0.00 0.00 99.87 06:08:01 3 0.03 0.00 0.02 0.00 0.02 99.93 06:09:02 all 4.15 0.00 2.47 1.67 0.09 91.63 06:09:02 0 4.83 0.00 2.39 0.15 0.03 92.59 06:09:02 1 3.31 0.00 2.27 1.37 0.12 92.94 06:09:02 2 4.87 0.00 2.54 3.70 0.10 88.80 06:09:02 3 3.59 0.00 2.66 1.47 0.10 92.18 Average: all 0.94 0.00 0.55 0.28 0.02 98.21 Average: 0 1.23 0.00 0.52 0.04 0.01 98.19 Average: 1 0.84 0.00 0.54 0.22 0.02 98.38 Average: 2 0.92 0.00 0.59 0.49 0.02 97.98 Average: 3 0.76 0.00 0.57 0.37 0.03 98.28