---> uname -a: Linux prd-centos7-docker-4c-2g-33702.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-34@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 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/undry_go-mod-configuration_PR-34 ---> free -m: total used free shared buff/cache available Mem: 1837 702 94 0 1040 1030 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:ac:38:aa brd ff:ff:ff:ff:ff:ff inet 10.30.122.215/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85837sec preferred_lft 85837sec inet6 fe80::f816:3eff:feac:38aa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:4e:96:8b:44 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::42:4eff:fe96:8b44/64 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) 15:19:46 LINUX RESTART (4 CPU) 15:21:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:22:01 45.84 14.89 30.95 0.00 4820.88 3514.08 0.00 15:23:01 2.35 0.00 2.35 0.00 0.00 55.70 0.00 15:24:01 0.42 0.00 0.42 0.00 0.00 6.04 0.00 15:25:01 0.23 0.00 0.23 0.00 0.00 3.09 0.00 15:26:01 0.33 0.00 0.33 0.00 0.00 4.47 0.00 15:27:01 0.27 0.00 0.27 0.00 0.00 2.58 0.00 15:28:01 0.22 0.00 0.22 0.00 0.00 1.78 0.00 15:29:02 133.50 66.20 67.29 0.00 4751.66 16434.01 0.00 Average: 22.97 10.18 12.78 0.00 1194.66 2514.93 0.00 15:21:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:22:01 159496 0 590172 31.37 2620 1129256 1154748 39.41 407516 1115088 80 15:23:01 171656 0 578008 30.72 2620 1129260 1075580 36.71 419264 1092648 16 15:24:01 171716 0 577944 30.72 2620 1129264 1065300 36.36 420744 1091744 8 15:25:01 169904 0 579752 30.81 2620 1129268 1065576 36.37 426236 1087968 8 15:26:01 170680 0 578972 30.77 2620 1129272 1065384 36.36 425392 1087964 8 15:27:01 171412 0 578236 30.73 2620 1129276 1065372 36.36 436020 1077080 8 15:28:01 171736 0 577908 30.71 2620 1129280 1065300 36.36 435876 1077080 8 15:29:02 227636 0 664800 35.33 2620 986488 1074148 36.66 420332 973744 33176 Average: 176780 0 590724 31.40 2620 1111420 1078926 36.82 423922 1075414 4164 15:21:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:22:01 eth0 131.63 111.62 640.72 67.03 0.00 0.00 0.00 0.00 15:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 docker0 1.11 0.91 0.21 1.35 0.00 0.00 0.00 0.00 15:23:01 eth0 0.40 0.13 0.02 0.03 0.00 0.00 0.00 0.00 15:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:01 eth0 0.50 0.08 0.05 0.01 0.00 0.00 0.00 0.00 15:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 eth0 2.36 1.38 3.52 0.42 0.00 0.00 0.00 0.00 15:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 eth0 0.20 0.15 0.08 0.10 0.00 0.00 0.00 0.00 15:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 15:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 15:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:02 eth0 207.74 163.28 2159.91 21.00 0.00 0.00 0.00 0.00 15:29:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:29:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 42.91 34.61 351.89 11.00 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 0.11 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) 04/12/21 _x86_64_ (4 CPU) 15:19:46 LINUX RESTART (4 CPU) 15:21:02 CPU %user %nice %system %iowait %steal %idle 15:22:01 all 6.29 0.00 3.95 1.11 28.27 60.38 15:22:01 0 6.13 0.00 3.87 1.89 30.78 57.33 15:22:01 1 5.73 0.00 3.56 0.65 28.25 61.80 15:22:01 2 5.74 0.00 3.19 1.06 26.85 63.16 15:22:01 3 7.60 0.00 5.25 0.82 27.15 59.19 15:23:01 all 0.17 0.00 0.05 0.00 1.53 98.24 15:23:01 0 0.03 0.00 0.07 0.00 1.22 98.68 15:23:01 1 0.07 0.00 0.08 0.00 1.79 98.06 15:23:01 2 0.28 0.00 0.02 0.00 0.76 98.94 15:23:01 3 0.29 0.00 0.05 0.00 2.35 97.31 15:24:01 all 0.11 0.00 0.03 0.00 0.44 99.42 15:24:01 0 0.02 0.00 0.03 0.00 0.28 99.67 15:24:01 1 0.03 0.00 0.05 0.00 0.81 99.11 15:24:01 2 0.03 0.00 0.03 0.00 0.40 99.53 15:24:01 3 0.35 0.00 0.02 0.00 0.25 99.38 15:25:01 all 0.11 0.00 0.04 0.00 1.33 98.53 15:25:01 0 0.05 0.00 0.02 0.00 1.66 98.28 15:25:01 1 0.03 0.00 0.03 0.00 0.45 99.49 15:25:01 2 0.03 0.00 0.03 0.00 1.68 98.26 15:25:01 3 0.31 0.00 0.07 0.00 1.53 98.09 15:26:01 all 0.09 0.00 0.08 0.00 0.55 99.28 15:26:01 0 0.05 0.00 0.07 0.00 0.35 99.54 15:26:01 1 0.02 0.00 0.13 0.00 0.23 99.62 15:26:01 2 0.00 0.00 0.05 0.00 0.33 99.62 15:26:01 3 0.28 0.00 0.07 0.00 1.29 98.37 15:27:01 all 0.10 0.00 0.32 0.00 1.93 97.65 15:27:01 0 0.02 0.00 0.20 0.00 1.19 98.60 15:27:01 1 0.02 0.00 0.43 0.00 1.40 98.15 15:27:01 2 0.07 0.00 0.43 0.00 2.16 97.35 15:27:01 3 0.29 0.00 0.23 0.00 2.94 96.54 15:28:01 all 0.08 0.00 0.02 0.00 1.06 98.84 15:28:01 0 0.03 0.00 0.03 0.00 1.51 98.42 15:28:01 1 0.25 0.00 0.02 0.00 1.24 98.50 15:28:01 2 0.02 0.00 0.02 0.00 0.55 99.42 15:28:01 3 0.02 0.00 0.03 0.00 0.94 99.01 15:29:02 all 3.68 0.00 3.24 2.82 28.67 61.59 15:29:02 0 3.12 0.00 3.21 1.35 30.20 62.12 15:29:02 1 3.13 0.00 2.99 1.10 27.92 64.87 15:29:02 2 5.03 0.00 3.51 5.53 29.04 56.90 15:29:02 3 3.47 0.00 3.25 3.42 27.47 62.39 Average: all 1.45 0.00 1.06 0.55 8.70 88.25 Average: 0 1.31 0.00 1.04 0.45 9.30 87.91 Average: 1 1.28 0.00 1.00 0.24 8.52 88.96 Average: 2 1.54 0.00 0.99 0.91 8.42 88.13 Average: 3 1.67 0.00 1.20 0.59 8.54 88.00