---> uname -a: Linux e7a4091851f6 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: 2933.438 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 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 7.0G 43.0G 14% / 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-279@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 645 128 0 1063 1085 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) 09/10/20 _x86_64_ (4 CPU) 15:10:55 LINUX RESTART (4 CPU) 15:12:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:13:02 10.85 2.93 7.92 0.00 157.63 207.51 0.00 15:14:01 0.30 0.00 0.30 0.00 0.00 4.67 0.00 15:15:01 0.55 0.00 0.55 0.00 0.00 7.44 0.00 15:16:01 0.17 0.00 0.17 0.00 0.00 1.76 0.00 15:17:01 0.33 0.00 0.33 0.00 0.00 5.20 0.00 15:18:01 0.33 0.02 0.32 0.00 0.13 2.91 0.00 15:19:01 86.99 56.23 30.77 0.00 6387.36 6425.89 0.00 Average: 14.26 8.48 5.78 0.00 938.12 953.91 0.00 15:12:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:13:02 163636 0 564892 30.02 2620 1150408 1124248 38.37 401496 1155044 20 15:14:01 169496 0 559028 29.71 2620 1150412 1073192 36.63 401412 1150440 20 15:15:01 168556 0 559964 29.76 2620 1150416 1073252 36.63 402672 1150440 12 15:16:01 169868 0 558648 29.69 2620 1150420 1073024 36.62 401260 1150440 16 15:17:01 168312 0 560200 29.77 2620 1150424 1073132 36.62 407684 1145788 8 15:18:01 169168 0 559332 29.73 2620 1150436 1073024 36.62 411072 1142080 12 15:19:01 180148 0 612460 32.55 2620 1086328 1194524 40.77 432464 1072744 64 Average: 169883 0 567789 30.18 2620 1141263 1097771 37.46 408294 1138139 22 15:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:13:02 eth0 19.84 15.89 23.59 23.77 0.00 0.00 0.00 0.00 15:13:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:13:02 docker0 4.36 3.66 0.89 10.65 0.00 0.00 0.00 0.00 15:14:01 eth0 2.27 0.47 0.47 0.22 0.00 0.00 0.00 0.00 15:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 eth0 1.35 0.52 0.56 0.42 0.00 0.00 0.00 0.00 15:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 eth0 0.53 0.18 0.14 0.01 0.00 0.00 0.00 0.00 15:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 eth0 0.92 0.40 0.36 0.26 0.00 0.00 0.00 0.00 15:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 eth0 1.85 0.17 0.23 0.01 0.00 0.00 0.00 0.00 15:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 eth0 91.82 69.32 745.93 12.72 0.00 0.00 0.00 0.00 15:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 veth64cc9ff 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 16.99 12.46 110.55 5.36 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: veth64cc9ff 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.62 0.52 0.13 1.53 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) 09/10/20 _x86_64_ (4 CPU) 15:10:55 LINUX RESTART (4 CPU) 15:12:01 CPU %user %nice %system %iowait %steal %idle 15:13:02 all 1.06 0.00 0.42 0.22 0.07 98.24 15:13:02 0 0.97 0.00 0.40 0.83 0.03 97.76 15:13:02 1 1.07 0.00 0.47 0.00 0.08 98.38 15:13:02 2 1.27 0.00 0.38 0.00 0.08 98.26 15:13:02 3 0.92 0.00 0.42 0.03 0.07 98.57 15:14:01 all 0.15 0.00 0.09 0.00 0.06 99.70 15:14:01 0 0.05 0.00 0.08 0.00 0.05 99.81 15:14:01 1 0.05 0.00 0.08 0.00 0.05 99.81 15:14:01 2 0.47 0.00 0.08 0.00 0.10 99.34 15:14:01 3 0.03 0.00 0.10 0.00 0.02 99.85 15:15:01 all 0.11 0.00 0.03 0.00 0.05 99.80 15:15:01 0 0.05 0.00 0.02 0.00 0.02 99.92 15:15:01 1 0.05 0.00 0.02 0.00 0.03 99.90 15:15:01 2 0.32 0.00 0.07 0.00 0.15 99.47 15:15:01 3 0.03 0.00 0.03 0.00 0.02 99.92 15:16:01 all 0.13 0.00 0.03 0.00 0.21 99.62 15:16:01 0 0.02 0.00 0.03 0.00 0.13 99.82 15:16:01 1 0.02 0.00 0.03 0.00 0.33 99.62 15:16:01 2 0.48 0.00 0.03 0.00 0.28 99.20 15:16:01 3 0.02 0.00 0.03 0.00 0.10 99.85 15:17:01 all 0.16 0.00 0.04 0.00 0.06 99.74 15:17:01 0 0.07 0.00 0.03 0.00 0.00 99.90 15:17:01 1 0.12 0.00 0.07 0.00 0.05 99.77 15:17:01 2 0.12 0.00 0.02 0.00 0.10 99.77 15:17:01 3 0.33 0.00 0.03 0.00 0.10 99.53 15:18:01 all 0.15 0.00 0.06 0.00 0.12 99.67 15:18:01 0 0.02 0.00 0.05 0.00 0.20 99.73 15:18:01 1 0.27 0.00 0.17 0.00 0.12 99.45 15:18:01 2 0.05 0.00 0.02 0.00 0.17 99.77 15:18:01 3 0.25 0.00 0.02 0.00 0.02 99.72 15:19:01 all 3.69 0.00 2.74 1.51 2.26 89.80 15:19:01 0 3.61 0.00 2.64 1.20 2.12 90.43 15:19:01 1 3.56 0.00 2.68 1.06 2.23 90.48 15:19:01 2 3.99 0.00 2.99 1.73 2.28 89.01 15:19:01 3 3.62 0.00 2.66 2.03 2.39 89.30 Average: all 0.78 0.00 0.49 0.25 0.41 98.08 Average: 0 0.68 0.00 0.47 0.29 0.37 98.20 Average: 1 0.73 0.00 0.50 0.15 0.41 98.19 Average: 2 0.96 0.00 0.52 0.25 0.45 97.82 Average: 3 0.75 0.00 0.47 0.30 0.39 98.10