---> uname -a: Linux prd-centos7-docker-4c-2g-837.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% /w/workspace/undry_go-mod-configuration_PR-35 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/undry_go-mod-configuration_PR-35@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 732 91 0 1012 999 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:13:92:2a brd ff:ff:ff:ff:ff:ff inet 10.30.123.234/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85868sec preferred_lft 85868sec inet6 fe80::f816:3eff:fe13:922a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:40:4b:67:96 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::42:40ff:fe4b:6796/64 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) 04/19/21 _x86_64_ (4 CPU) 18:01:10 LINUX RESTART (4 CPU) 18:02:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:03:01 24.67 7.18 17.50 0.00 2047.59 3016.79 0.00 18:04:01 1.87 0.00 1.87 0.00 0.00 34.80 0.00 18:05:01 0.33 0.00 0.33 0.00 0.00 5.70 0.00 18:06:01 0.20 0.00 0.20 0.00 0.00 2.05 0.00 18:07:01 0.15 0.00 0.15 0.00 0.00 1.93 0.00 18:08:01 0.33 0.00 0.33 0.00 0.00 5.23 0.00 18:09:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 18:10:01 119.13 76.53 42.60 0.00 6078.17 15685.45 0.00 Average: 18.40 10.50 7.90 0.00 1016.15 2349.55 0.00 18:02:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:03:01 162592 0 612912 32.57 2620 1103420 1099228 37.51 415176 1106552 20 18:04:01 159680 0 615816 32.73 2620 1103428 1090076 37.20 419332 1105176 20 18:05:01 159620 0 615872 32.73 2620 1103432 1090180 37.21 432740 1092120 20 18:06:01 158388 0 617104 32.80 2620 1103432 1090192 37.21 436428 1089340 20 18:07:01 154056 0 621428 33.03 2620 1103440 1090208 37.21 446204 1084544 16 18:08:01 155116 0 620360 32.97 2620 1103448 1079880 36.85 445224 1084172 20 18:09:01 155396 0 620076 32.96 2620 1103452 1079876 36.85 445280 1084172 12 18:10:01 164280 0 726752 38.63 2620 987892 1274320 43.49 464776 996872 55264 Average: 158641 0 631290 33.55 2620 1088993 1111745 37.94 438145 1080368 6924 18:02:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:03:01 eth0 65.87 48.77 339.85 12.03 0.00 0.00 0.00 0.00 18:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 docker0 1.07 0.98 0.22 1.37 0.00 0.00 0.00 0.00 18:04:01 eth0 5.56 1.17 1.64 0.94 0.00 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 eth0 3.38 0.80 0.99 0.62 0.00 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 2.43 0.42 0.67 0.36 0.00 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 eth0 1.75 0.98 0.94 0.66 0.00 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 eth0 0.17 0.08 0.01 0.04 0.00 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 198.97 160.22 2166.88 49.06 0.00 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 34.81 26.59 314.73 7.98 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 0.13 0.12 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) 04/19/21 _x86_64_ (4 CPU) 18:01:10 LINUX RESTART (4 CPU) 18:02:02 CPU %user %nice %system %iowait %steal %idle 18:03:01 all 2.03 0.00 1.60 0.41 0.04 95.92 18:03:01 0 2.54 0.00 1.75 0.12 0.03 95.56 18:03:01 1 1.96 0.00 1.33 0.15 0.05 96.51 18:03:01 2 1.92 0.00 1.70 0.10 0.05 96.22 18:03:01 3 1.68 0.00 1.62 1.28 0.03 95.39 18:04:01 all 0.20 0.00 0.05 0.00 0.03 99.73 18:04:01 0 0.52 0.00 0.03 0.00 0.02 99.43 18:04:01 1 0.08 0.00 0.07 0.00 0.03 99.82 18:04:01 2 0.08 0.00 0.05 0.00 0.00 99.87 18:04:01 3 0.10 0.00 0.05 0.00 0.05 99.80 18:05:01 all 0.20 0.00 0.06 0.00 0.02 99.73 18:05:01 0 0.05 0.00 0.07 0.00 0.03 99.85 18:05:01 1 0.58 0.00 0.05 0.00 0.02 99.35 18:05:01 2 0.08 0.00 0.05 0.00 0.02 99.85 18:05:01 3 0.07 0.00 0.07 0.00 0.00 99.87 18:06:01 all 0.17 0.00 0.05 0.00 0.01 99.78 18:06:01 0 0.03 0.00 0.07 0.00 0.00 99.90 18:06:01 1 0.52 0.00 0.03 0.00 0.00 99.45 18:06:01 2 0.08 0.00 0.05 0.00 0.02 99.85 18:06:01 3 0.03 0.00 0.03 0.00 0.02 99.92 18:07:01 all 0.08 0.00 0.08 0.00 0.00 99.84 18:07:01 0 0.03 0.00 0.12 0.00 0.00 99.85 18:07:01 1 0.13 0.00 0.10 0.00 0.00 99.77 18:07:01 2 0.08 0.00 0.07 0.00 0.02 99.83 18:07:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:08:01 all 0.07 0.00 0.05 0.00 0.00 99.87 18:08:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:08:01 1 0.22 0.00 0.08 0.00 0.02 99.68 18:08:01 2 0.03 0.00 0.05 0.00 0.00 99.92 18:08:01 3 0.02 0.00 0.05 0.00 0.00 99.93 18:09:01 all 0.16 0.00 0.02 0.00 0.00 99.82 18:09:01 0 0.00 0.00 0.02 0.00 0.00 99.98 18:09:01 1 0.55 0.00 0.05 0.00 0.00 99.40 18:09:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:09:01 3 0.05 0.00 0.02 0.00 0.00 99.93 18:10:01 all 5.79 0.00 3.75 1.70 0.02 88.74 18:10:01 0 5.41 0.00 3.63 0.10 0.02 90.85 18:10:01 1 5.22 0.00 3.72 3.15 0.02 87.89 18:10:01 2 6.01 0.00 3.74 0.55 0.00 89.70 18:10:01 3 6.54 0.00 3.90 3.01 0.03 86.52 Average: all 1.08 0.00 0.70 0.26 0.01 97.94 Average: 0 1.07 0.00 0.71 0.03 0.01 98.19 Average: 1 1.15 0.00 0.68 0.41 0.02 97.74 Average: 2 1.04 0.00 0.71 0.08 0.01 98.16 Average: 3 1.06 0.00 0.72 0.53 0.02 97.68