---> uname -a: Linux eea39e82cd83 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% /w/workspace/dry_go-mod-core-contracts_PR-288@tmp /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-288 ---> free -m: total used free shared buff/cache available Mem: 1837 649 132 0 1055 1081 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) 09/15/20 _x86_64_ (4 CPU) 03:05:17 LINUX RESTART (4 CPU) 03:06:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:07:01 52.64 14.83 37.81 0.00 4731.68 2658.32 0.00 03:08:01 1.65 0.00 1.65 0.00 0.00 29.96 0.00 03:09:01 0.23 0.00 0.23 0.00 0.00 3.21 0.00 03:10:01 0.28 0.00 0.28 0.00 0.00 3.05 0.00 Average: 13.70 3.71 10.00 0.00 1183.26 673.83 0.00 03:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:07:01 175520 0 568324 30.21 2620 1135092 1112704 37.97 434928 1111412 20 03:08:01 179220 0 564620 30.01 2620 1135096 1073264 36.63 434784 1108492 8 03:09:01 176728 0 567104 30.14 2620 1135104 1073444 36.63 439856 1106556 16 03:10:01 175388 0 568440 30.21 2620 1135108 1073384 36.63 441708 1105980 16 Average: 176714 0 567122 30.14 2620 1135100 1083199 36.97 437819 1108110 15 03:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:07:01 eth0 219.96 164.81 568.28 65.26 0.00 0.00 0.00 0.00 03:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:01 docker0 4.46 3.40 0.92 10.64 0.00 0.00 0.00 0.00 03:08:01 eth0 0.73 0.05 0.06 0.00 0.00 0.00 0.00 0.00 03:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 eth0 0.88 0.43 0.35 0.21 0.00 0.00 0.00 0.00 03:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 eth0 0.65 0.30 0.28 0.17 0.00 0.00 0.00 0.00 03:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 55.57 41.41 142.28 16.42 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 1.12 0.85 0.23 2.66 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) 09/15/20 _x86_64_ (4 CPU) 03:05:17 LINUX RESTART (4 CPU) 03:06:01 CPU %user %nice %system %iowait %steal %idle 03:07:01 all 5.06 0.00 2.26 1.67 0.02 91.00 03:07:01 0 4.70 0.00 2.78 2.21 0.02 90.29 03:07:01 1 4.75 0.00 2.16 3.15 0.03 89.90 03:07:01 2 5.51 0.00 2.01 0.94 0.02 91.53 03:07:01 3 5.28 0.00 2.09 0.37 0.00 92.26 03:08:01 all 0.17 0.00 0.04 0.00 0.00 99.79 03:08:01 0 0.53 0.00 0.03 0.00 0.00 99.43 03:08:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:08:01 2 0.05 0.00 0.07 0.00 0.00 99.88 03:08:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:09:01 all 0.14 0.00 0.04 0.00 0.00 99.81 03:09:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:09:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:09:01 2 0.43 0.00 0.07 0.00 0.02 99.48 03:09:01 3 0.05 0.00 0.05 0.00 0.00 99.90 03:10:01 all 0.16 0.00 0.03 0.00 0.00 99.80 03:10:01 0 0.02 0.00 0.02 0.00 0.02 99.95 03:10:01 1 0.05 0.00 0.07 0.00 0.00 99.88 03:10:01 2 0.52 0.00 0.02 0.00 0.00 99.47 03:10:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 1.38 0.00 0.59 0.42 0.01 97.61 Average: 0 1.31 0.00 0.71 0.55 0.01 97.42 Average: 1 1.22 0.00 0.57 0.78 0.01 97.42 Average: 2 1.62 0.00 0.54 0.23 0.01 97.60 Average: 3 1.35 0.00 0.55 0.09 0.00 98.01