---> uname -a: Linux 4a33dfadbd5f 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 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: 2933.442 BogoMIPS: 5866.88 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 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 6.6G 43.4G 13% / 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 6.6G 43.4G 13% /etc/resolv.conf /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hostname /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hosts /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/undry_go-mod-configuration_PR-18@tmp /dev/vda1 50.0G 6.6G 43.4G 13% /var/log/sa-host /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/undry_go-mod-configuration_PR-18 ---> free -m: total used free shared buff/cache available Mem: 1837 629 132 0 1075 1101 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 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/24/20 _x86_64_ (4 CPU) 20:52:29 LINUX RESTART (4 CPU) 20:53:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:54:01 178.25 94.06 84.18 0.00 11335.61 39998.25 0.00 20:55:01 4.96 1.51 3.45 0.00 76.44 62.98 0.00 20:56:01 0.27 0.00 0.27 0.00 0.00 3.91 0.00 20:57:01 0.25 0.00 0.25 0.00 0.00 2.56 0.00 20:58:01 0.17 0.00 0.17 0.00 0.00 1.95 0.00 20:59:01 0.35 0.00 0.35 0.00 0.00 5.11 0.00 21:00:01 0.27 0.02 0.25 0.00 0.13 2.30 0.00 21:01:02 0.27 0.02 0.25 0.00 0.13 3.08 0.00 21:02:01 0.51 0.12 0.39 0.00 2.17 6.64 0.00 21:03:01 0.23 0.00 0.23 0.00 0.00 2.85 0.00 21:04:01 0.20 0.00 0.20 0.00 0.00 1.88 0.00 21:05:01 0.17 0.00 0.17 0.00 0.00 1.48 0.00 21:06:01 0.27 0.00 0.27 0.00 0.00 3.63 0.00 21:07:01 0.23 0.00 0.23 0.00 0.00 3.10 0.00 21:08:01 0.32 0.17 0.15 0.00 5.33 2.35 0.00 Average: 12.47 6.41 6.07 0.00 763.11 2679.78 0.00 20:53:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:54:01 138848 0 581400 30.90 2620 1158688 1394708 47.60 431528 1149796 232 20:55:01 178124 0 539760 28.69 2620 1161052 1092072 37.27 399252 1145272 20 20:56:01 178732 0 539144 28.65 2620 1161060 1086920 37.09 400844 1143048 16 20:57:01 179156 0 538720 28.63 2620 1161060 1074584 36.67 401824 1141924 12 20:58:01 179732 0 538136 28.60 2620 1161068 1074584 36.67 404812 1138944 12 20:59:01 178532 0 539328 28.66 2620 1161076 1074656 36.68 409300 1135712 8 21:00:01 178944 0 538912 28.64 2620 1161080 1074584 36.67 408796 1135712 12 21:01:02 177944 0 539904 28.69 2620 1161088 1077060 36.76 404316 1140920 20 21:02:01 178192 0 539512 28.67 2620 1161232 1075092 36.69 403896 1140996 12 21:03:01 178480 0 539220 28.66 2620 1161236 1075092 36.69 399892 1145004 8 21:04:01 177988 0 539708 28.68 2620 1161240 1075164 36.69 400384 1145008 8 21:05:01 178212 0 539480 28.67 2620 1161244 1075088 36.69 399776 1145004 12 21:06:01 177984 0 539704 28.68 2620 1161248 1075188 36.69 400432 1145036 8 21:07:01 177304 0 540380 28.72 2620 1161252 1075260 36.70 400788 1145036 8 21:08:01 178240 0 539440 28.67 2620 1161256 1075092 36.69 400088 1144836 16 Average: 175761 0 542183 28.82 2620 1160992 1098343 37.48 404395 1142817 27 20:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:54:01 eth0 291.40 213.52 1021.89 80.75 0.00 0.00 0.00 0.00 20:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:01 vethcd50238 0.65 0.83 0.14 0.70 0.00 0.00 0.00 0.00 20:54:01 docker0 0.65 0.72 0.13 0.69 0.00 0.00 0.00 0.00 20:55:01 eth0 10.12 5.66 8.78 3.44 0.00 0.00 0.00 0.00 20:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 eth0 1.28 0.65 0.59 0.40 0.00 0.00 0.00 0.00 20:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 20:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 20:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 eth0 0.37 0.25 0.15 0.08 0.00 0.00 0.00 0.00 20:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:01:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 eth0 0.60 0.47 0.35 0.09 0.00 0.00 0.00 0.00 21:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 eth0 12.01 0.10 1.08 0.01 0.00 0.00 0.00 0.00 21:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 eth0 3.53 0.33 0.60 0.20 0.00 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 eth0 1.82 0.85 1.07 0.74 0.00 0.00 0.00 0.00 21:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 eth0 0.23 0.08 0.02 0.04 0.00 0.00 0.00 0.00 21:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 21.53 14.86 69.13 5.73 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 0.04 0.05 0.01 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/24/20 _x86_64_ (4 CPU) 20:52:29 LINUX RESTART (4 CPU) 20:53:01 CPU %user %nice %system %iowait %steal %idle 20:54:01 all 18.96 0.00 11.15 6.32 2.89 60.68 20:54:01 0 18.62 0.00 11.26 5.24 3.31 61.57 20:54:01 1 19.80 0.00 10.93 8.72 2.75 57.80 20:54:01 2 16.49 0.00 12.90 6.80 3.23 60.58 20:54:01 3 20.98 0.00 9.47 4.51 2.25 62.78 20:55:01 all 0.47 0.00 0.18 0.03 0.04 99.27 20:55:01 0 0.45 0.00 0.27 0.07 0.02 99.20 20:55:01 1 0.64 0.00 0.25 0.02 0.07 99.03 20:55:01 2 0.50 0.00 0.13 0.00 0.03 99.33 20:55:01 3 0.30 0.00 0.08 0.05 0.05 99.52 20:56:01 all 0.17 0.00 0.04 0.00 0.00 99.79 20:56:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:56:01 1 0.53 0.00 0.03 0.00 0.00 99.43 20:56:01 2 0.08 0.00 0.07 0.00 0.02 99.83 20:56:01 3 0.02 0.00 0.03 0.00 0.00 99.95 20:57:01 all 0.16 0.00 0.04 0.00 0.00 99.80 20:57:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:57:01 1 0.53 0.00 0.05 0.00 0.00 99.42 20:57:01 2 0.07 0.00 0.07 0.00 0.00 99.87 20:57:01 3 0.02 0.00 0.02 0.00 0.02 99.95 20:58:01 all 0.06 0.00 0.05 0.00 0.00 99.89 20:58:01 0 0.02 0.00 0.02 0.00 0.00 99.97 20:58:01 1 0.12 0.00 0.05 0.00 0.00 99.83 20:58:01 2 0.12 0.00 0.13 0.00 0.00 99.75 20:58:01 3 0.00 0.00 0.00 0.00 0.00 100.00 20:59:01 all 0.05 0.00 0.06 0.00 0.00 99.88 20:59:01 0 0.02 0.00 0.02 0.00 0.00 99.97 20:59:01 1 0.08 0.00 0.03 0.00 0.00 99.88 20:59:01 2 0.07 0.00 0.17 0.00 0.00 99.77 20:59:01 3 0.05 0.00 0.03 0.00 0.00 99.92 21:00:01 all 0.15 0.00 0.03 0.00 0.00 99.82 21:00:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:00:01 1 0.27 0.00 0.03 0.00 0.00 99.70 21:00:01 2 0.28 0.00 0.05 0.00 0.00 99.67 21:00:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:01:02 all 0.17 0.00 0.04 0.00 0.00 99.79 21:01:02 0 0.02 0.00 0.03 0.00 0.00 99.95 21:01:02 1 0.58 0.00 0.03 0.00 0.00 99.38 21:01:02 2 0.05 0.00 0.07 0.02 0.00 99.87 21:01:02 3 0.02 0.00 0.03 0.00 0.00 99.95 21:02:01 all 0.15 0.00 0.03 0.00 0.00 99.81 21:02:01 0 0.02 0.00 0.02 0.00 0.02 99.95 21:02:01 1 0.52 0.00 0.05 0.00 0.00 99.42 21:02:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:02:01 3 0.02 0.00 0.02 0.02 0.00 99.95 21:03:01 all 0.15 0.00 0.03 0.00 0.00 99.81 21:03:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:03:01 1 0.53 0.00 0.03 0.00 0.02 99.42 21:03:01 2 0.02 0.00 0.03 0.00 0.00 99.95 21:03:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:04:01 all 0.15 0.00 0.02 0.00 0.00 99.83 21:04:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:04:01 1 0.03 0.00 0.03 0.00 0.00 99.93 21:04:01 2 0.03 0.00 0.05 0.00 0.00 99.92 21:04:01 3 0.50 0.00 0.00 0.00 0.00 99.50 21:04:01 CPU %user %nice %system %iowait %steal %idle 21:05:01 all 0.15 0.00 0.03 0.00 0.02 99.80 21:05:01 0 0.02 0.00 0.03 0.00 0.03 99.92 21:05:01 1 0.07 0.00 0.03 0.00 0.03 99.87 21:05:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:05:01 3 0.50 0.00 0.03 0.00 0.02 99.45 21:06:01 all 0.16 0.00 0.03 0.00 0.02 99.78 21:06:01 0 0.03 0.00 0.03 0.00 0.02 99.92 21:06:01 1 0.08 0.00 0.02 0.00 0.03 99.87 21:06:01 2 0.05 0.00 0.05 0.00 0.03 99.87 21:06:01 3 0.48 0.00 0.03 0.00 0.02 99.47 21:07:01 all 0.17 0.00 0.03 0.00 0.02 99.78 21:07:01 0 0.03 0.00 0.03 0.00 0.02 99.92 21:07:01 1 0.07 0.00 0.05 0.00 0.02 99.87 21:07:01 2 0.05 0.00 0.03 0.00 0.03 99.88 21:07:01 3 0.53 0.00 0.02 0.00 0.02 99.43 21:08:01 all 0.15 0.00 0.05 0.00 0.00 99.80 21:08:01 0 0.02 0.00 0.05 0.00 0.00 99.93 21:08:01 1 0.03 0.00 0.03 0.00 0.00 99.93 21:08:01 2 0.05 0.00 0.10 0.00 0.00 99.85 21:08:01 3 0.52 0.00 0.02 0.00 0.00 99.47 Average: all 1.41 0.00 0.79 0.42 0.20 97.18 Average: 0 1.29 0.00 0.79 0.35 0.23 97.34 Average: 1 1.59 0.00 0.77 0.58 0.19 96.86 Average: 2 1.20 0.00 0.93 0.46 0.22 97.19 Average: 3 1.58 0.00 0.65 0.30 0.16 97.32