---> uname -a: Linux b9aed73a9a5b 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% /w/workspace/dry_go-mod-core-contracts_PR-286@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-286 ---> free -m: total used free shared buff/cache available Mem: 1837 666 133 0 1036 1064 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) 21:23:14 LINUX RESTART (4 CPU) 21:24:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:25:01 47.04 11.90 35.13 0.00 4495.77 2596.52 0.00 21:26:01 1.63 0.00 1.63 0.00 0.00 30.55 0.00 21:27:01 0.25 0.00 0.25 0.00 0.00 2.58 0.00 21:28:01 0.18 0.00 0.18 0.00 0.00 2.01 0.00 21:29:01 0.35 0.00 0.35 0.00 0.00 6.43 0.00 21:30:01 0.35 0.00 0.35 0.00 0.00 4.50 0.00 Average: 8.30 1.98 6.32 0.00 749.42 440.51 0.00 21:24:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:25:01 157628 0 588224 31.26 2620 1133084 1111828 37.94 432716 1131116 8 21:26:01 163120 0 582728 30.97 2620 1133088 1074224 36.66 431432 1127712 8 21:27:01 163212 0 582628 30.97 2620 1133096 1074224 36.66 431488 1127712 8 21:28:01 160828 0 585012 31.09 2620 1133096 1074404 36.67 434832 1127152 12 21:29:01 160816 0 585020 31.09 2620 1133100 1074404 36.67 438016 1123876 12 21:30:01 161660 0 584168 31.05 2620 1133108 1074260 36.66 437188 1123852 12 Average: 161211 0 584630 31.07 2620 1133095 1080557 36.88 434279 1126903 10 21:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:25:01 eth0 187.80 139.19 487.01 60.33 0.00 0.00 0.00 0.00 21:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 docker0 5.06 4.25 0.96 11.02 0.00 0.00 0.00 0.00 21:26:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 0.00 21:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 eth0 0.53 0.02 0.05 0.00 0.00 0.00 0.00 0.00 21:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:28:01 eth0 1.33 0.30 0.44 0.16 0.00 0.00 0.00 0.00 21:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:29:01 eth0 0.65 0.53 0.35 0.27 0.00 0.00 0.00 0.00 21:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 eth0 0.78 0.10 0.12 0.03 0.00 0.00 0.00 0.00 21:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 31.87 23.37 81.34 10.14 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 0.84 0.71 0.16 1.84 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) 21:23:14 LINUX RESTART (4 CPU) 21:24:01 CPU %user %nice %system %iowait %steal %idle 21:25:01 all 3.48 0.00 1.97 1.46 0.01 93.09 21:25:01 0 3.52 0.00 2.26 1.63 0.02 92.57 21:25:01 1 3.30 0.00 1.63 0.45 0.02 94.60 21:25:01 2 3.54 0.00 1.90 2.89 0.00 91.66 21:25:01 3 3.55 0.00 2.08 0.85 0.00 93.52 21:26:01 all 0.16 0.00 0.03 0.00 0.00 99.80 21:26:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:26:01 1 0.53 0.00 0.05 0.00 0.00 99.42 21:26:01 2 0.05 0.00 0.02 0.00 0.00 99.93 21:26:01 3 0.03 0.00 0.03 0.00 0.02 99.92 21:27:01 all 0.16 0.00 0.02 0.00 0.00 99.81 21:27:01 0 0.05 0.00 0.02 0.00 0.00 99.93 21:27:01 1 0.52 0.00 0.02 0.00 0.00 99.47 21:27:01 2 0.02 0.00 0.02 0.00 0.00 99.97 21:27:01 3 0.07 0.00 0.05 0.00 0.00 99.88 21:28:01 all 0.16 0.00 0.03 0.00 0.00 99.81 21:28:01 0 0.05 0.00 0.02 0.00 0.02 99.92 21:28:01 1 0.52 0.00 0.02 0.00 0.00 99.47 21:28:01 2 0.02 0.00 0.02 0.00 0.00 99.97 21:28:01 3 0.05 0.00 0.07 0.00 0.00 99.88 21:29:01 all 0.16 0.00 0.07 0.00 0.00 99.77 21:29:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:29:01 1 0.50 0.00 0.05 0.00 0.00 99.45 21:29:01 2 0.07 0.00 0.05 0.00 0.00 99.88 21:29:01 3 0.05 0.00 0.15 0.00 0.00 99.80 21:30:01 all 0.04 0.00 0.02 0.00 0.00 99.94 21:30:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:30:01 1 0.13 0.00 0.02 0.00 0.00 99.85 21:30:01 2 0.02 0.00 0.02 0.00 0.00 99.97 21:30:01 3 0.00 0.00 0.03 0.00 0.00 99.97 Average: all 0.69 0.00 0.36 0.24 0.00 98.71 Average: 0 0.61 0.00 0.40 0.27 0.01 98.72 Average: 1 0.91 0.00 0.29 0.08 0.00 98.71 Average: 2 0.62 0.00 0.34 0.48 0.00 98.57 Average: 3 0.62 0.00 0.40 0.14 0.00 98.83