---> uname -a: Linux prd-centos7-docker-4c-2g-30181.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/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-29 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/undry_go-mod-configuration_PR-29@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 725 81 0 1030 1007 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:c3:01:eb brd ff:ff:ff:ff:ff:ff inet 10.30.122.248/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85855sec preferred_lft 85855sec inet6 fe80::f816:3eff:fec3:1eb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:29:68:1c:17 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::42:29ff:fe68:1c17/64 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) 03/17/21 _x86_64_ (4 CPU) 17:57:41 LINUX RESTART (4 CPU) 17:59:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:01 52.25 15.89 36.36 0.00 4892.57 3626.33 0.00 18:01:01 2.18 0.02 2.16 0.00 0.13 47.12 0.00 18:02:01 0.42 0.08 0.33 0.00 1.60 5.72 0.00 18:03:01 0.27 0.00 0.27 0.00 0.00 4.01 0.00 18:04:01 0.32 0.00 0.32 0.00 0.00 4.36 0.00 18:05:02 0.28 0.00 0.28 0.00 0.00 3.01 0.00 18:06:01 20.68 20.50 0.19 0.00 2488.62 2.18 0.00 Average: 10.80 5.15 5.65 0.00 1043.04 522.11 0.00 17:59:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:01 172360 0 606040 32.21 2620 1100524 1140424 38.92 431608 1078564 140 18:01:01 184932 0 593464 31.54 2620 1100528 1068288 36.46 427708 1071624 24 18:02:01 183756 0 594512 31.60 2620 1100656 1066328 36.39 426612 1073948 16 18:03:01 182252 0 596016 31.68 2620 1100656 1066328 36.39 433968 1068252 8 18:04:01 182588 0 595672 31.66 2620 1100664 1066136 36.39 433920 1068476 8 18:05:02 180740 0 597516 31.76 2620 1100668 1066184 36.39 446324 1057292 8 18:06:01 82944 0 621588 33.04 2620 1174392 1101628 37.60 470580 1129868 96 Average: 167082 0 600687 31.93 2620 1111155 1082188 36.93 438674 1078289 43 17:59:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:01 eth0 128.32 101.45 558.13 53.49 0.00 0.00 0.00 0.00 18:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 docker0 0.81 0.79 0.17 1.00 0.00 0.00 0.00 0.00 18:01:01 eth0 0.68 0.08 0.06 0.01 0.00 0.00 0.00 0.00 18:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 eth0 2.13 1.41 3.19 0.27 0.00 0.00 0.00 0.00 18:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 eth0 0.98 0.30 0.32 0.20 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 eth0 0.73 0.17 0.13 0.07 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 18:05:02 eth0 0.60 0.45 0.33 0.21 0.00 0.00 0.00 0.00 18:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 10.15 6.41 10.17 3.82 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 Average: eth0 20.31 15.59 80.90 8.21 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 0.11 0.11 0.02 0.14 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) 03/17/21 _x86_64_ (4 CPU) 17:57:41 LINUX RESTART (4 CPU) 17:59:02 CPU %user %nice %system %iowait %steal %idle 18:00:01 all 5.24 0.00 2.67 1.51 12.94 77.64 18:00:01 0 4.00 0.00 3.12 1.70 14.02 77.15 18:00:01 1 6.35 0.00 2.20 0.69 13.08 77.69 18:00:01 2 4.34 0.00 2.14 1.73 13.00 78.79 18:00:01 3 6.30 0.00 3.24 1.94 11.62 76.90 18:01:01 all 0.09 0.00 0.09 0.00 1.57 98.25 18:01:01 0 0.15 0.00 0.10 0.00 2.06 97.69 18:01:01 1 0.03 0.00 0.08 0.00 0.86 99.03 18:01:01 2 0.13 0.00 0.10 0.00 2.24 97.53 18:01:01 3 0.03 0.00 0.08 0.00 1.10 98.78 18:02:01 all 0.10 0.00 0.11 0.00 2.21 97.58 18:02:01 0 0.03 0.00 0.03 0.00 3.09 96.84 18:02:01 1 0.15 0.00 0.13 0.00 2.16 97.56 18:02:01 2 0.18 0.00 0.16 0.02 2.53 97.11 18:02:01 3 0.05 0.00 0.10 0.00 1.04 98.81 18:03:01 all 0.06 0.00 0.03 0.00 1.79 98.12 18:03:01 0 0.02 0.00 0.03 0.00 1.22 98.73 18:03:01 1 0.19 0.00 0.02 0.00 3.03 96.76 18:03:01 2 0.02 0.00 0.05 0.00 2.51 97.43 18:03:01 3 0.00 0.00 0.03 0.00 0.35 99.62 18:04:01 all 0.08 0.00 0.16 0.00 1.56 98.20 18:04:01 0 0.03 0.00 0.18 0.00 1.08 98.71 18:04:01 1 0.05 0.00 0.23 0.00 1.91 97.81 18:04:01 2 0.20 0.00 0.03 0.00 2.31 97.46 18:04:01 3 0.03 0.00 0.20 0.00 0.93 98.84 18:05:02 all 0.09 0.00 0.04 0.00 0.79 99.08 18:05:02 0 0.02 0.00 0.03 0.00 0.23 99.72 18:05:02 1 0.02 0.00 0.03 0.00 0.99 98.96 18:05:02 2 0.31 0.00 0.03 0.00 1.60 98.06 18:05:02 3 0.00 0.00 0.05 0.00 0.35 99.60 18:06:01 all 0.66 0.00 0.39 1.17 2.60 95.18 18:06:01 0 1.39 0.00 0.59 2.42 1.56 94.05 18:06:01 1 0.54 0.00 0.47 1.39 1.83 95.77 18:06:01 2 0.39 0.00 0.28 0.84 3.86 94.63 18:06:01 3 0.35 0.00 0.23 0.05 3.12 96.25 Average: all 0.91 0.00 0.50 0.38 3.36 94.85 Average: 0 0.81 0.00 0.59 0.58 3.36 94.66 Average: 1 1.05 0.00 0.45 0.29 3.42 94.77 Average: 2 0.80 0.00 0.40 0.37 4.02 94.41 Average: 3 0.96 0.00 0.56 0.28 2.64 95.55