---> uname -a: Linux de16d4e87b31 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 6.3G 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% /w/workspace/dry_go-mod-core-contracts_PR-236 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-236@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 647 64 0 1126 1085 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) 06/03/20 _x86_64_ (4 CPU) 09:46:05 LINUX RESTART 09:47:02 tps rtps wtps bread/s bwrtn/s 09:48:01 11.36 0.07 11.30 2.17 1890.35 09:49:01 2.88 0.00 2.88 0.00 95.89 09:50:01 0.23 0.00 0.23 0.00 3.73 09:51:01 0.25 0.00 0.25 0.00 2.56 Average: 3.65 0.02 3.63 0.54 492.25 09:47:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:48:01 109728 1772576 94.17 2620 1197892 892188 30.44 458640 1151556 20 09:49:01 109808 1772496 94.17 2620 1197896 890312 30.38 459412 1151192 12 09:50:01 108256 1774048 94.25 2620 1197908 890504 30.38 460484 1151192 8 09:51:01 110052 1772252 94.15 2620 1197908 890264 30.38 459184 1151192 20 Average: 109461 1772843 94.18 2620 1197901 890817 30.39 459430 1151283 15 09:47:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:48:01 eth0 0.54 0.10 0.03 0.01 0.00 0.00 0.00 09:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 eth0 1.58 0.58 0.98 0.04 0.00 0.00 0.00 09:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 eth0 1.00 0.78 0.54 0.41 0.00 0.00 0.00 09:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 09:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.80 0.38 0.39 0.12 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 06/03/20 _x86_64_ (4 CPU) 09:46:05 LINUX RESTART 09:47:02 CPU %user %nice %system %iowait %steal %idle 09:48:01 all 0.18 0.00 0.09 0.03 0.02 99.68 09:48:01 0 0.51 0.00 0.05 0.00 0.03 99.41 09:48:01 1 0.10 0.00 0.10 0.00 0.02 99.78 09:48:01 2 0.07 0.00 0.14 0.14 0.03 99.63 09:48:01 3 0.05 0.00 0.08 0.00 0.03 99.83 09:49:01 all 0.16 0.00 0.05 0.00 0.02 99.77 09:49:01 0 0.47 0.00 0.07 0.00 0.02 99.45 09:49:01 1 0.07 0.00 0.05 0.00 0.02 99.87 09:49:01 2 0.07 0.00 0.07 0.00 0.00 99.87 09:49:01 3 0.03 0.00 0.03 0.00 0.02 99.92 09:50:01 all 0.15 0.00 0.05 0.00 0.04 99.75 09:50:01 0 0.13 0.00 0.05 0.00 0.05 99.77 09:50:01 1 0.07 0.00 0.03 0.00 0.02 99.88 09:50:01 2 0.35 0.00 0.08 0.00 0.05 99.52 09:50:01 3 0.05 0.00 0.03 0.00 0.03 99.88 09:51:01 all 0.16 0.00 0.04 0.00 0.16 99.64 09:51:01 0 0.03 0.00 0.05 0.00 0.13 99.78 09:51:01 1 0.07 0.00 0.05 0.00 0.07 99.82 09:51:01 2 0.43 0.00 0.05 0.00 0.15 99.37 09:51:01 3 0.10 0.00 0.05 0.00 0.28 99.57 Average: all 0.16 0.00 0.06 0.01 0.06 99.71 Average: 0 0.28 0.00 0.05 0.00 0.06 99.60 Average: 1 0.08 0.00 0.06 0.00 0.03 99.84 Average: 2 0.23 0.00 0.08 0.03 0.06 99.59 Average: 3 0.06 0.00 0.05 0.00 0.09 99.80