---> uname -a: Linux 9d9f920dbb78 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.2G 43.7G 12% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.2G 43.7G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.7G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.7G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.7G 12% /w/workspace/dry_go-mod-core-contracts_PR-234 /dev/vda1 50.0G 6.2G 43.7G 12% /w/workspace/dry_go-mod-core-contracts_PR-234@tmp /dev/vda1 50.0G 6.2G 43.7G 12% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 591 72 0 1174 1142 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/08/20 _x86_64_ (4 CPU) 19:56:14 LINUX RESTART 19:57:01 tps rtps wtps bread/s bwrtn/s 19:58:01 47.34 9.76 37.57 2382.70 3463.26 19:59:01 3.48 0.00 3.48 0.00 125.95 20:00:02 0.65 0.00 0.65 0.00 8.35 20:01:01 0.25 0.02 0.24 0.14 4.44 20:02:01 0.48 0.12 0.37 2.13 6.62 Average: 10.48 1.99 8.49 478.74 724.34 19:57:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:58:01 126336 1755968 93.29 2620 1227768 912592 31.14 417424 1177344 120 19:59:01 138028 1744276 92.67 2620 1227780 842872 28.76 409464 1176988 8 20:00:02 136780 1745524 92.73 2620 1227804 842932 28.76 412880 1175020 12 20:01:01 133308 1748996 92.92 2620 1227784 845812 28.86 415252 1175020 12 20:02:01 135332 1746972 92.81 2620 1227928 843664 28.79 413864 1175096 20 Average: 133957 1748347 92.88 2620 1227813 857574 29.26 413777 1175894 34 19:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:58:01 eth0 116.42 94.03 630.33 64.58 0.00 0.00 0.00 19:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:58:01 docker0 4.51 3.39 0.76 8.63 0.00 0.00 0.00 19:59:01 eth0 0.18 0.07 0.01 0.01 0.00 0.00 0.00 19:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:02 eth0 1.20 0.28 0.36 0.02 0.00 0.00 0.00 20:00:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:01:01 eth0 0.66 0.66 0.52 0.38 0.00 0.00 0.00 20:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 eth0 1.05 0.50 0.43 0.30 0.00 0.00 0.00 20:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 23.99 19.18 126.79 13.10 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.90 0.68 0.15 1.73 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/08/20 _x86_64_ (4 CPU) 19:56:14 LINUX RESTART 19:57:01 CPU %user %nice %system %iowait %steal %idle 19:58:01 all 5.63 0.00 2.78 1.27 9.39 80.93 19:58:01 0 6.31 0.00 2.40 2.41 10.22 78.67 19:58:01 1 5.87 0.00 2.32 0.18 8.76 82.87 19:58:01 2 3.92 0.00 2.93 2.03 9.68 81.44 19:58:01 3 6.44 0.00 3.45 0.45 8.93 80.73 19:59:01 all 0.12 0.00 0.08 0.00 0.10 99.71 19:59:01 0 0.05 0.00 0.10 0.00 0.10 99.75 19:59:01 1 0.22 0.00 0.08 0.00 0.13 99.57 19:59:01 2 0.10 0.00 0.05 0.00 0.08 99.77 19:59:01 3 0.10 0.00 0.12 0.00 0.02 99.77 20:00:02 all 0.12 0.00 0.05 0.00 0.70 99.13 20:00:02 0 0.05 0.00 0.02 0.00 0.88 99.06 20:00:02 1 0.25 0.00 0.05 0.00 0.52 99.18 20:00:02 2 0.07 0.00 0.05 0.00 0.88 99.01 20:00:02 3 0.08 0.00 0.05 0.00 0.58 99.29 20:01:01 all 0.16 0.00 0.06 0.00 1.11 98.66 20:01:01 0 0.08 0.00 0.07 0.00 1.66 98.19 20:01:01 1 0.03 0.00 0.05 0.00 0.47 99.44 20:01:01 2 0.17 0.00 0.07 0.02 1.41 98.34 20:01:01 3 0.39 0.00 0.08 0.00 0.86 98.66 20:02:01 all 0.13 0.00 0.05 0.01 0.40 99.41 20:02:01 0 0.07 0.00 0.03 0.02 0.58 99.30 20:02:01 1 0.08 0.00 0.05 0.02 0.40 99.45 20:02:01 2 0.08 0.00 0.05 0.00 0.30 99.57 20:02:01 3 0.28 0.00 0.05 0.00 0.33 99.33 Average: all 1.25 0.00 0.61 0.26 2.37 95.51 Average: 0 1.32 0.00 0.53 0.49 2.70 94.95 Average: 1 1.31 0.00 0.52 0.04 2.09 96.04 Average: 2 0.88 0.00 0.64 0.42 2.51 95.55 Average: 3 1.47 0.00 0.76 0.09 2.16 95.52