---> uname -a: Linux prd-centos7-docker-4c-2g-292.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-38@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-38 ---> free -m: total used free shared buff/cache available Mem: 1837 715 103 0 1018 1017 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:4d:99:3a brd ff:ff:ff:ff:ff:ff inet 10.30.122.21/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85588sec preferred_lft 85588sec inet6 fe80::f816:3eff:fe4d:993a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:47:7b:b5:6a 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::42:47ff:fe7b:b56a/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) 05/17/21 _x86_64_ (4 CPU) 05:44:27 LINUX RESTART (4 CPU) 05:45:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:46:01 109.20 48.88 60.32 0.00 7989.18 23150.90 0.00 05:47:01 1.33 0.00 1.33 0.00 0.00 25.29 0.00 05:48:01 1.11 0.00 1.11 0.00 0.00 20.50 0.00 05:49:01 4.36 1.00 3.36 0.00 49.00 57.62 0.00 05:50:01 0.37 0.00 0.37 0.00 0.00 5.86 0.00 05:51:01 0.27 0.00 0.27 0.00 0.00 3.25 0.00 05:52:01 0.28 0.00 0.28 0.00 0.00 3.33 0.00 05:53:01 0.20 0.00 0.20 0.00 0.00 2.56 0.00 05:54:01 0.28 0.00 0.28 0.00 0.00 3.61 0.00 05:55:01 0.23 0.00 0.23 0.00 0.00 2.98 0.00 05:56:01 0.23 0.00 0.23 0.00 0.00 2.25 0.00 05:57:01 0.27 0.00 0.27 0.00 0.00 3.28 0.00 Average: 9.72 4.10 5.62 0.00 660.50 1913.04 0.00 05:45:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:46:01 154228 0 614420 32.66 2620 1110276 1339424 45.71 419480 1108180 60 05:47:01 157756 0 610980 32.47 2620 1110188 1317636 44.97 420264 1104420 20 05:48:01 165992 0 602372 32.01 2620 1110560 1203644 41.08 418740 1098864 8 05:49:01 167096 0 599996 31.89 2620 1111832 1102432 37.62 424948 1091704 20 05:50:01 170688 0 596396 31.70 2620 1111840 1079684 36.85 429944 1083904 12 05:51:01 166760 0 600320 31.91 2620 1111844 1079864 36.85 435588 1082132 16 05:52:01 166580 0 600496 31.92 2620 1111848 1079936 36.86 436060 1082132 20 05:53:01 167984 0 599088 31.84 2620 1111852 1079684 36.85 434376 1082212 20 05:54:01 167204 0 599860 31.88 2620 1111860 1079840 36.85 435344 1082212 20 05:55:01 168280 0 598780 31.82 2620 1111864 1079684 36.85 434524 1082212 16 05:56:01 167872 0 599184 31.85 2620 1111868 1079756 36.85 434896 1082212 8 05:57:01 167712 0 599340 31.85 2620 1111872 1079684 36.85 434660 1082212 8 Average: 165679 0 601769 31.98 2620 1111475 1133439 38.68 429902 1088533 19 05:45:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:46:01 eth0 242.25 168.49 1044.30 69.59 0.00 0.00 0.00 0.00 05:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 vethd13a7cd 0.76 0.66 0.30 0.18 0.00 0.00 0.00 0.00 05:46:01 docker0 0.76 0.52 0.29 0.16 0.00 0.00 0.00 0.00 05:47:01 eth0 4.21 1.88 2.80 1.55 0.00 0.00 0.00 0.00 05:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 vethd13a7cd 0.08 0.02 0.10 0.00 0.00 0.00 0.00 0.00 05:47:01 docker0 0.08 0.02 0.10 0.00 0.00 0.00 0.00 0.00 05:48:01 eth0 3.46 2.20 4.82 1.04 0.00 0.00 0.00 0.00 05:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 vethd13a7cd 0.45 0.42 0.16 1.29 0.00 0.00 0.00 0.00 05:48:01 docker0 0.45 0.42 0.16 1.29 0.00 0.00 0.00 0.00 05:49:01 eth0 9.47 7.79 11.15 3.58 0.00 0.00 0.00 0.00 05:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 eth0 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 05:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 eth0 1.93 0.60 0.52 0.28 0.00 0.00 0.00 0.00 05:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 eth0 0.45 0.32 0.27 0.21 0.00 0.00 0.00 0.00 05:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 0.00 05:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 eth0 0.50 0.35 0.27 0.20 0.00 0.00 0.00 0.00 05:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 05:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 eth0 0.28 0.27 0.10 0.08 0.00 0.00 0.00 0.00 05:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 05:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 21.64 14.99 87.47 6.30 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 0.08 0.04 0.12 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) 05/17/21 _x86_64_ (4 CPU) 05:44:27 LINUX RESTART (4 CPU) 05:45:02 CPU %user %nice %system %iowait %steal %idle 05:46:01 all 13.32 0.00 6.90 3.04 15.36 61.38 05:46:01 0 15.67 0.00 8.76 2.27 15.52 57.78 05:46:01 1 10.66 0.00 5.52 3.21 16.89 63.72 05:46:01 2 14.19 0.00 5.48 3.76 14.38 62.18 05:46:01 3 12.83 0.00 7.87 2.90 14.64 61.76 05:47:01 all 0.17 0.00 0.09 0.00 0.87 98.88 05:47:01 0 0.03 0.00 0.10 0.00 0.58 99.29 05:47:01 1 0.41 0.00 0.08 0.00 0.89 98.61 05:47:01 2 0.10 0.00 0.10 0.00 0.66 99.14 05:47:01 3 0.12 0.00 0.07 0.00 1.32 98.50 05:48:01 all 0.15 0.00 0.12 0.00 0.59 99.14 05:48:01 0 0.10 0.00 0.13 0.00 0.37 99.40 05:48:01 1 0.07 0.00 0.13 0.00 0.55 99.25 05:48:01 2 0.08 0.00 0.07 0.00 0.48 99.37 05:48:01 3 0.36 0.00 0.13 0.00 0.94 98.56 05:49:01 all 0.49 0.00 0.46 0.07 2.16 96.83 05:49:01 0 0.41 0.00 0.58 0.08 2.29 96.64 05:49:01 1 0.31 0.00 0.38 0.07 2.50 96.75 05:49:01 2 0.28 0.00 0.38 0.12 2.07 97.15 05:49:01 3 0.94 0.00 0.50 0.00 1.77 96.79 05:50:01 all 0.09 0.00 0.05 0.00 0.11 99.75 05:50:01 0 0.02 0.00 0.02 0.00 0.18 99.78 05:50:01 1 0.05 0.00 0.03 0.00 0.10 99.82 05:50:01 2 0.03 0.00 0.12 0.00 0.05 99.80 05:50:01 3 0.27 0.00 0.02 0.00 0.12 99.60 05:51:01 all 0.10 0.00 0.09 0.00 0.21 99.60 05:51:01 0 0.05 0.00 0.03 0.00 0.28 99.63 05:51:01 1 0.05 0.00 0.05 0.00 0.20 99.70 05:51:01 2 0.05 0.00 0.23 0.00 0.23 99.48 05:51:01 3 0.23 0.00 0.05 0.00 0.12 99.60 05:52:01 all 0.09 0.00 0.03 0.00 0.37 99.50 05:52:01 0 0.02 0.00 0.02 0.00 0.17 99.80 05:52:01 1 0.05 0.00 0.07 0.00 0.68 99.20 05:52:01 2 0.00 0.00 0.02 0.00 0.38 99.60 05:52:01 3 0.30 0.00 0.03 0.00 0.27 99.40 05:53:01 all 0.05 0.00 0.06 0.00 0.41 99.47 05:53:01 0 0.02 0.00 0.03 0.00 0.22 99.73 05:53:01 1 0.05 0.00 0.07 0.00 0.47 99.42 05:53:01 2 0.13 0.00 0.10 0.00 0.57 99.20 05:53:01 3 0.02 0.00 0.05 0.00 0.40 99.53 05:54:01 all 0.14 0.00 0.02 0.00 0.24 99.60 05:54:01 0 0.02 0.00 0.02 0.00 0.08 99.88 05:54:01 1 0.17 0.00 0.05 0.00 0.57 99.22 05:54:01 2 0.35 0.00 0.02 0.00 0.13 99.50 05:54:01 3 0.03 0.00 0.02 0.00 0.17 99.78 05:55:01 all 0.09 0.00 0.03 0.00 0.12 99.76 05:55:01 0 0.02 0.00 0.02 0.00 0.03 99.93 05:55:01 1 0.05 0.00 0.03 0.00 0.15 99.77 05:55:01 2 0.27 0.00 0.05 0.00 0.23 99.45 05:55:01 3 0.02 0.00 0.03 0.00 0.05 99.90 05:56:01 all 0.12 0.00 0.04 0.00 0.10 99.74 05:56:01 0 0.02 0.00 0.05 0.00 0.08 99.85 05:56:01 1 0.02 0.00 0.02 0.00 0.12 99.85 05:56:01 2 0.43 0.00 0.05 0.00 0.18 99.33 05:56:01 3 0.02 0.00 0.03 0.00 0.02 99.93 05:56:01 CPU %user %nice %system %iowait %steal %idle 05:57:01 all 0.10 0.00 0.02 0.00 0.12 99.76 05:57:01 0 0.00 0.00 0.02 0.00 0.20 99.78 05:57:01 1 0.03 0.00 0.03 0.00 0.12 99.82 05:57:01 2 0.33 0.00 0.03 0.00 0.13 99.50 05:57:01 3 0.02 0.00 0.02 0.00 0.02 99.95 Average: all 1.23 0.00 0.65 0.25 1.70 96.16 Average: 0 1.33 0.00 0.80 0.19 1.64 96.04 Average: 1 0.99 0.00 0.54 0.27 1.94 96.26 Average: 2 1.34 0.00 0.55 0.32 1.61 96.18 Average: 3 1.24 0.00 0.72 0.24 1.63 96.18