---> uname -a: Linux prd-centos7-docker-4c-2g-3271.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% /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-37 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/undry_go-mod-configuration_PR-37@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 726 98 0 1012 1005 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:6e:71:f5 brd ff:ff:ff:ff:ff:ff inet 10.30.122.98/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85893sec preferred_lft 85893sec inet6 fe80::f816:3eff:fe6e:71f5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:cb:5b:2d:1e 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:cbff:fe5b:2d1e/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) 05/06/21 _x86_64_ (4 CPU) 19:26:54 LINUX RESTART (4 CPU) 19:28:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:29:01 52.62 14.45 38.17 0.00 4777.30 3578.92 0.00 19:30:02 2.31 0.00 2.31 0.00 0.00 39.80 0.00 19:31:01 0.63 0.00 0.63 0.00 0.00 7.82 0.00 19:32:01 0.55 0.00 0.55 0.00 0.00 5.83 0.00 19:33:01 0.58 0.00 0.58 0.00 0.00 6.88 0.00 19:34:01 0.25 0.00 0.25 0.00 0.00 3.34 0.00 19:35:01 16.92 16.59 0.33 0.00 2157.87 4.18 0.00 Average: 10.59 4.45 6.14 0.00 994.83 523.50 0.00 19:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:29:01 172368 0 618588 32.88 2620 1087968 1127196 38.47 435004 1076452 20 19:30:02 181736 0 609212 32.38 2620 1087976 1072040 36.59 439344 1063996 8 19:31:01 180732 0 610212 32.43 2620 1087980 1072256 36.59 440536 1063996 8 19:32:01 175176 0 615764 32.73 2620 1087984 1072304 36.60 452372 1057480 8 19:33:01 176088 0 614848 32.68 2620 1087988 1072136 36.59 448920 1059924 20 19:34:01 176664 0 614264 32.65 2620 1087996 1072100 36.59 448732 1059928 12 19:35:01 86136 0 639884 34.01 2620 1152904 1108412 37.83 473580 1123796 76 Average: 164129 0 617539 32.82 2620 1097257 1085206 37.04 448355 1072225 22 19:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:29:01 eth0 163.01 125.36 635.62 49.28 0.00 0.00 0.00 0.00 19:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:29:01 docker0 1.00 0.81 0.21 1.39 0.00 0.00 0.00 0.00 19:30:02 eth0 0.77 0.08 0.06 0.02 0.00 0.00 0.00 0.00 19:30:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 eth0 0.95 0.37 0.32 0.21 0.00 0.00 0.00 0.00 19:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 eth0 0.43 0.35 0.26 0.20 0.00 0.00 0.00 0.00 19:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 eth0 0.20 0.13 0.08 0.07 0.00 0.00 0.00 0.00 19:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 eth0 0.20 0.20 0.07 0.02 0.00 0.00 0.00 0.00 19:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 eth0 8.67 5.62 8.96 3.18 0.00 0.00 0.00 0.00 19:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 25.01 18.96 92.65 7.60 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 0.14 0.12 0.03 0.20 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) 05/06/21 _x86_64_ (4 CPU) 19:26:54 LINUX RESTART (4 CPU) 19:28:01 CPU %user %nice %system %iowait %steal %idle 19:29:01 all 6.70 0.00 3.60 1.44 8.24 80.02 19:29:01 0 4.68 0.00 3.63 0.19 8.71 82.79 19:29:01 1 6.51 0.00 3.63 1.05 8.18 80.63 19:29:01 2 8.32 0.00 3.57 1.35 7.39 79.37 19:29:01 3 7.32 0.00 3.58 3.19 8.66 77.26 19:30:02 all 0.13 0.00 0.07 0.00 0.41 99.39 19:30:02 0 0.03 0.00 0.08 0.00 0.45 99.44 19:30:02 1 0.05 0.00 0.05 0.00 0.23 99.67 19:30:02 2 0.40 0.00 0.13 0.00 0.80 98.67 19:30:02 3 0.03 0.00 0.03 0.00 0.15 99.78 19:31:01 all 0.14 0.00 0.07 0.00 0.29 99.50 19:31:01 0 0.03 0.00 0.03 0.00 0.15 99.78 19:31:01 1 0.14 0.00 0.05 0.00 0.20 99.61 19:31:01 2 0.32 0.00 0.12 0.00 0.35 99.21 19:31:01 3 0.07 0.00 0.08 0.00 0.46 99.39 19:32:01 all 0.14 0.00 0.04 0.00 0.19 99.63 19:32:01 0 0.00 0.00 0.02 0.00 0.15 99.83 19:32:01 1 0.47 0.00 0.03 0.00 0.13 99.37 19:32:01 2 0.07 0.00 0.05 0.00 0.27 99.62 19:32:01 3 0.03 0.00 0.05 0.00 0.20 99.72 19:33:01 all 0.12 0.00 0.19 0.00 1.05 98.64 19:33:01 0 0.08 0.00 0.51 0.00 1.21 98.19 19:33:01 1 0.33 0.00 0.10 0.00 0.71 98.86 19:33:01 2 0.03 0.00 0.05 0.00 1.35 98.57 19:33:01 3 0.02 0.00 0.10 0.00 0.93 98.96 19:34:01 all 0.11 0.00 0.04 0.00 0.51 99.33 19:34:01 0 0.03 0.00 0.03 0.00 0.38 99.55 19:34:01 1 0.38 0.00 0.05 0.00 0.75 98.82 19:34:01 2 0.02 0.00 0.03 0.00 0.41 99.54 19:34:01 3 0.02 0.00 0.05 0.00 0.51 99.42 19:35:01 all 0.80 0.00 0.48 0.47 0.62 97.63 19:35:01 0 0.70 0.00 0.48 0.32 0.76 97.74 19:35:01 1 0.63 0.00 0.33 0.78 0.90 97.36 19:35:01 2 0.75 0.00 0.40 0.02 0.40 98.44 19:35:01 3 1.13 0.00 0.72 0.75 0.43 96.97 Average: all 1.19 0.00 0.66 0.28 1.65 96.23 Average: 0 0.82 0.00 0.70 0.07 1.73 96.67 Average: 1 1.24 0.00 0.62 0.27 1.62 96.25 Average: 2 1.43 0.00 0.63 0.20 1.59 96.15 Average: 3 1.26 0.00 0.67 0.57 1.65 95.85