---> uname -a: Linux b7756521a77b 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: 2933.436 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 6.4G 43.6G 13% / 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dry_go-mod-core-contracts_PR-238 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/dry_go-mod-core-contracts_PR-238@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 603 64 0 1170 1129 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/10/20 _x86_64_ (4 CPU) 19:08:32 LINUX RESTART 19:09:02 tps rtps wtps bread/s bwrtn/s 19:10:01 49.86 14.16 35.70 2724.24 3549.94 19:11:01 3.51 0.00 3.51 0.00 110.90 19:12:01 0.35 0.00 0.35 0.00 5.41 19:13:01 0.38 0.00 0.38 0.00 5.28 Average: 13.39 3.50 9.89 673.63 908.33 19:09:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:10:01 97272 1785032 94.83 2620 1239292 940608 32.09 446228 1177224 12 19:11:01 107344 1774960 94.30 2620 1239516 893732 30.49 439984 1176648 8 19:12:01 105772 1776532 94.38 2620 1239520 894184 30.51 441416 1176628 12 19:13:01 107228 1775076 94.30 2620 1239520 893992 30.50 440444 1176628 16 Average: 104404 1777900 94.45 2620 1239462 905629 30.90 442018 1176782 12 19:09:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:10:01 eth0 346.38 217.55 1009.47 90.76 0.00 0.00 0.00 19:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 docker0 3.75 2.89 0.75 8.70 0.00 0.00 0.00 19:11:01 eth0 1.13 0.08 0.10 0.01 0.00 0.00 0.00 19:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 eth0 1.32 0.77 0.56 0.38 0.00 0.00 0.00 19:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 19:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.29 54.03 249.78 22.55 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.93 0.71 0.19 2.15 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) 04/10/20 _x86_64_ (4 CPU) 19:08:32 LINUX RESTART 19:09:02 CPU %user %nice %system %iowait %steal %idle 19:10:01 all 12.72 0.00 3.82 0.98 1.38 81.10 19:10:01 0 13.21 0.00 4.09 0.12 1.39 81.19 19:10:01 1 12.69 0.00 3.50 3.09 1.72 79.00 19:10:01 2 12.10 0.00 3.78 0.51 1.16 82.44 19:10:01 3 12.88 0.00 3.87 0.17 1.24 81.84 19:11:01 all 0.17 0.00 0.08 0.00 0.46 99.29 19:11:01 0 0.05 0.00 0.07 0.00 0.70 99.19 19:11:01 1 0.23 0.00 0.10 0.00 0.48 99.19 19:11:01 2 0.07 0.00 0.08 0.00 0.25 99.60 19:11:01 3 0.32 0.00 0.07 0.00 0.43 99.19 19:12:01 all 0.49 0.00 0.06 0.00 0.08 99.38 19:12:01 0 0.12 0.00 0.03 0.00 0.08 99.77 19:12:01 1 0.92 0.00 0.12 0.00 0.07 98.90 19:12:01 2 0.63 0.00 0.05 0.00 0.13 99.18 19:12:01 3 0.27 0.00 0.07 0.00 0.03 99.63 19:13:01 all 0.16 0.00 0.05 0.00 0.08 99.71 19:13:01 0 0.02 0.00 0.03 0.00 0.08 99.87 19:13:01 1 0.50 0.00 0.07 0.00 0.13 99.30 19:13:01 2 0.07 0.00 0.03 0.00 0.12 99.78 19:13:01 3 0.05 0.00 0.03 0.00 0.02 99.90 Average: all 3.31 0.00 0.98 0.24 0.50 94.98 Average: 0 3.27 0.00 1.03 0.03 0.56 95.11 Average: 1 3.51 0.00 0.93 0.75 0.59 94.22 Average: 2 3.16 0.00 0.97 0.13 0.41 95.34 Average: 3 3.29 0.00 0.98 0.04 0.42 95.26