---> uname -a: Linux 8359423210e3 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 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-291 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-291@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 609 127 0 1100 1122 Swap: 1023 0 1023 ---> 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) 09/22/20 _x86_64_ (4 CPU) 02:30:15 LINUX RESTART (4 CPU) 02:31:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:32:01 44.96 10.11 34.85 0.00 4287.76 2786.39 0.00 02:33:01 1.70 0.00 1.70 0.00 0.00 32.56 0.00 02:34:01 0.27 0.00 0.27 0.00 0.00 2.58 0.00 02:35:01 0.27 0.00 0.27 0.00 0.00 3.33 0.00 02:36:01 0.30 0.00 0.30 0.00 0.00 4.70 0.00 Average: 9.50 2.02 7.48 0.00 857.69 566.01 0.00 02:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:32:01 176188 0 525376 27.92 2620 1177372 1083908 36.99 404196 1139504 20 02:33:01 179988 0 521572 27.72 2620 1177376 1063704 36.30 401956 1138784 8 02:34:01 178520 0 523032 27.80 2620 1177384 1063704 36.30 403212 1138788 8 02:35:01 176396 0 525156 27.91 2620 1177384 1063936 36.31 408032 1136136 8 02:36:01 173908 0 527640 28.04 2620 1177388 1063948 36.31 413976 1133096 20 Average: 177000 0 524555 27.88 2620 1177381 1067840 36.44 406274 1137262 13 02:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:32:01 eth0 184.03 134.95 474.33 57.55 0.00 0.00 0.00 0.00 02:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:32:01 docker0 5.40 3.71 1.02 10.95 0.00 0.00 0.00 0.00 02:33:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 02:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:34:01 eth0 0.88 0.02 0.07 0.00 0.00 0.00 0.00 0.00 02:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:35:01 eth0 1.37 0.63 0.62 0.37 0.00 0.00 0.00 0.00 02:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:36:01 eth0 0.23 0.17 0.08 0.10 0.00 0.00 0.00 0.00 02:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 37.32 27.17 95.04 11.61 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 1.08 0.74 0.20 2.19 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) 09/22/20 _x86_64_ (4 CPU) 02:30:15 LINUX RESTART (4 CPU) 02:31:01 CPU %user %nice %system %iowait %steal %idle 02:32:01 all 3.41 0.00 1.63 1.53 0.01 93.42 02:32:01 0 3.53 0.00 1.76 0.08 0.02 94.61 02:32:01 1 2.89 0.00 1.40 0.82 0.00 94.88 02:32:01 2 3.67 0.00 1.77 3.86 0.02 90.68 02:32:01 3 3.55 0.00 1.57 1.36 0.00 93.52 02:33:01 all 0.13 0.00 0.03 0.00 0.00 99.84 02:33:01 0 0.00 0.00 0.03 0.00 0.00 99.97 02:33:01 1 0.03 0.00 0.02 0.00 0.00 99.95 02:33:01 2 0.45 0.00 0.02 0.00 0.00 99.53 02:33:01 3 0.05 0.00 0.05 0.00 0.00 99.90 02:34:01 all 0.15 0.00 0.02 0.00 0.00 99.83 02:34:01 0 0.03 0.00 0.02 0.00 0.00 99.95 02:34:01 1 0.03 0.00 0.02 0.00 0.00 99.95 02:34:01 2 0.47 0.00 0.02 0.00 0.00 99.52 02:34:01 3 0.05 0.00 0.03 0.00 0.00 99.92 02:35:01 all 0.16 0.00 0.03 0.00 0.00 99.80 02:35:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:35:01 1 0.03 0.00 0.05 0.00 0.02 99.90 02:35:01 2 0.55 0.00 0.02 0.00 0.00 99.43 02:35:01 3 0.03 0.00 0.02 0.00 0.00 99.95 02:36:01 all 0.16 0.00 0.03 0.00 0.00 99.80 02:36:01 0 0.03 0.00 0.05 0.00 0.00 99.92 02:36:01 1 0.07 0.00 0.02 0.00 0.00 99.92 02:36:01 2 0.52 0.00 0.03 0.00 0.00 99.45 02:36:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.80 0.00 0.35 0.31 0.00 98.54 Average: 0 0.72 0.00 0.38 0.02 0.00 98.88 Average: 1 0.61 0.00 0.30 0.16 0.00 98.92 Average: 2 1.13 0.00 0.37 0.77 0.00 97.73 Average: 3 0.74 0.00 0.34 0.27 0.00 98.65