---> uname -a: Linux 2e2891064000 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-279@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-279 ---> free -m: total used free shared buff/cache available Mem: 1837 659 136 0 1041 1070 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) 09/11/20 _x86_64_ (4 CPU) 15:14:06 LINUX RESTART (4 CPU) 15:15:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:16:01 31.39 11.82 19.57 0.00 4507.86 2431.69 0.00 15:17:01 1.62 0.00 1.62 0.00 0.00 29.39 0.00 15:18:01 0.27 0.00 0.27 0.00 0.00 3.30 0.00 15:19:01 55.90 42.92 12.98 0.00 4286.47 3161.40 0.00 Average: 22.30 13.69 8.61 0.00 2199.04 1406.72 0.00 15:15:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:16:01 168484 0 583016 30.99 2620 1127436 1079984 36.86 425176 1128412 20 15:17:01 171008 0 580488 30.85 2620 1127440 1062004 36.24 425864 1125704 12 15:18:01 169860 0 581628 30.91 2620 1127448 1062360 36.26 427228 1125704 20 15:19:01 176948 0 616388 32.76 2620 1085600 1072144 36.59 409256 1104652 85556 Average: 171575 0 590380 31.38 2620 1116981 1069123 36.49 421881 1121118 21402 15:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:16:01 eth0 83.77 76.36 449.92 48.83 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 6.47 5.24 1.08 10.75 0.00 0.00 0.00 0.00 15:17:01 eth0 0.82 0.08 0.07 0.01 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 1.25 0.77 0.57 0.40 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 81.59 69.34 734.34 8.61 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 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 41.86 36.65 296.28 14.47 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 1.62 1.31 0.27 2.69 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) 09/11/20 _x86_64_ (4 CPU) 15:14:06 LINUX RESTART (4 CPU) 15:15:01 CPU %user %nice %system %iowait %steal %idle 15:16:01 all 2.92 0.00 1.81 0.66 0.01 94.60 15:16:01 0 2.85 0.00 1.51 0.10 0.00 95.54 15:16:01 1 2.97 0.00 1.64 0.70 0.02 94.66 15:16:01 2 2.71 0.00 1.76 0.15 0.02 95.36 15:16:01 3 3.15 0.00 2.31 1.69 0.02 92.84 15:17:01 all 0.10 0.00 0.04 0.00 0.00 99.85 15:17:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:17:01 1 0.08 0.00 0.05 0.00 0.00 99.87 15:17:01 2 0.32 0.00 0.05 0.00 0.00 99.63 15:17:01 3 0.00 0.00 0.03 0.00 0.00 99.97 15:18:01 all 0.20 0.00 0.03 0.00 0.00 99.77 15:18:01 0 0.05 0.00 0.02 0.00 0.00 99.93 15:18:01 1 0.07 0.00 0.05 0.00 0.00 99.88 15:18:01 2 0.57 0.00 0.02 0.00 0.00 99.42 15:18:01 3 0.12 0.00 0.03 0.00 0.00 99.85 15:19:01 all 2.74 0.00 1.66 1.00 0.02 94.58 15:19:01 0 2.17 0.00 1.52 0.28 0.02 96.01 15:19:01 1 2.29 0.00 1.54 0.69 0.02 95.46 15:19:01 2 4.26 0.00 2.02 2.24 0.02 91.45 15:19:01 3 2.22 0.00 1.57 0.80 0.02 95.38 Average: all 1.49 0.00 0.88 0.42 0.01 97.21 Average: 0 1.27 0.00 0.77 0.10 0.00 97.86 Average: 1 1.35 0.00 0.82 0.35 0.01 97.47 Average: 2 1.96 0.00 0.96 0.60 0.01 96.47 Average: 3 1.37 0.00 0.99 0.62 0.01 97.02