---> uname -a: Linux 10705e75cfbb 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 6.3G 43.7G 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 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-230 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-230@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 583 67 0 1186 1150 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) 04/01/20 _x86_64_ (4 CPU) 08:38:41 LINUX RESTART 08:39:02 tps rtps wtps bread/s bwrtn/s 08:40:01 104.91 34.68 70.23 4833.58 30725.58 08:41:01 4.68 0.00 4.68 0.00 138.08 08:42:01 0.65 0.00 0.65 0.00 9.03 08:43:01 0.63 0.00 0.63 0.00 7.53 08:44:01 125.44 82.85 42.58 5065.16 17383.34 Average: 47.08 23.47 23.60 1970.64 9584.61 08:39:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:01 101184 1781120 94.62 2620 1246420 953308 32.53 423872 1194868 892 08:41:01 124048 1758256 93.41 2620 1246636 911300 31.09 406184 1193480 8 08:42:01 123312 1758992 93.45 2620 1246648 911444 31.10 407200 1193472 8 08:43:01 122904 1759400 93.47 2620 1246648 911396 31.10 406876 1193468 8 08:44:01 134516 1747788 92.85 2620 1194312 933408 31.85 402560 1150760 78888 Average: 121193 1761111 93.56 2620 1236133 924171 31.53 409338 1185210 15961 08:39:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:40:01 eth0 389.95 279.49 1020.15 94.60 0.00 0.00 0.00 08:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 docker0 3.71 2.57 0.72 8.44 0.00 0.00 0.00 08:41:01 eth0 0.85 0.08 0.07 0.01 0.00 0.00 0.00 08:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 eth0 4.48 2.71 3.48 0.36 0.00 0.00 0.00 08:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 eth0 0.52 0.40 0.27 0.21 0.00 0.00 0.00 08:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 vethb3b690c 0.00 0.05 0.00 0.00 0.00 0.00 0.00 08:44:01 eth0 519.09 382.19 3383.62 107.95 0.00 0.00 0.00 08:44:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 08:44:01 docker0 3.65 2.53 0.71 8.30 0.00 0.00 0.00 Average: vethb3b690c 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 104.18 76.70 679.08 21.66 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.73 0.51 0.14 1.67 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) 04/01/20 _x86_64_ (4 CPU) 08:38:41 LINUX RESTART 08:39:02 CPU %user %nice %system %iowait %steal %idle 08:40:01 all 14.25 0.00 5.91 4.10 0.01 75.73 08:40:01 0 12.99 0.00 6.47 3.68 0.02 76.85 08:40:01 1 15.51 0.00 5.29 4.23 0.02 74.96 08:40:01 2 13.11 0.00 6.51 4.40 0.00 75.98 08:40:01 3 15.39 0.00 5.38 4.07 0.00 75.16 08:41:01 all 0.20 0.00 0.07 0.00 0.00 99.72 08:41:01 0 0.53 0.00 0.08 0.00 0.00 99.38 08:41:01 1 0.08 0.00 0.08 0.00 0.00 99.83 08:41:01 2 0.12 0.00 0.05 0.00 0.02 99.82 08:41:01 3 0.08 0.00 0.07 0.00 0.00 99.85 08:42:01 all 0.22 0.00 0.07 0.00 0.00 99.71 08:42:01 0 0.58 0.00 0.03 0.00 0.00 99.38 08:42:01 1 0.07 0.00 0.05 0.00 0.00 99.88 08:42:01 2 0.08 0.00 0.08 0.00 0.00 99.83 08:42:01 3 0.12 0.00 0.07 0.00 0.02 99.80 08:43:01 all 0.18 0.00 0.05 0.00 0.00 99.77 08:43:01 0 0.53 0.00 0.02 0.00 0.00 99.45 08:43:01 1 0.08 0.00 0.07 0.00 0.00 99.85 08:43:01 2 0.07 0.00 0.05 0.00 0.02 99.87 08:43:01 3 0.07 0.00 0.05 0.00 0.00 99.88 08:44:01 all 5.24 0.00 3.33 1.62 0.01 89.80 08:44:01 0 5.43 0.00 3.62 0.72 0.02 90.22 08:44:01 1 5.10 0.00 2.93 0.49 0.02 91.47 08:44:01 2 5.11 0.00 3.29 1.71 0.02 89.87 08:44:01 3 5.32 0.00 3.49 3.58 0.02 87.59 Average: all 3.96 0.00 1.86 1.13 0.01 93.04 Average: 0 3.96 0.00 2.02 0.87 0.01 93.15 Average: 1 4.11 0.00 1.66 0.93 0.01 93.30 Average: 2 3.65 0.00 1.97 1.20 0.01 93.17 Average: 3 4.14 0.00 1.79 1.51 0.01 92.55