---> uname -a: Linux 00d1ddbc1792 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: 2933.396 BogoMIPS: 5866.79 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-219 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-219@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 605 72 0 1160 1128 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) 02/25/20 _x86_64_ (4 CPU) 19:20:10 LINUX RESTART 19:21:01 tps rtps wtps bread/s bwrtn/s 19:22:01 8.76 0.07 8.69 2.13 1801.90 19:23:01 2.51 0.00 2.51 0.00 89.84 19:24:01 0.28 0.00 0.28 0.00 3.91 19:25:01 0.32 0.00 0.32 0.00 3.48 19:26:02 0.23 0.00 0.23 0.00 2.75 Average: 2.42 0.01 2.41 0.43 380.43 19:21:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:22:01 115336 1766968 93.87 2620 1232068 899620 30.69 435560 1173604 20 19:23:01 114740 1767564 93.90 2620 1232072 899656 30.70 436264 1173304 8 19:24:01 113304 1769000 93.98 2620 1232080 899848 30.70 437396 1173292 12 19:25:01 114724 1767580 93.91 2620 1232080 899620 30.69 436112 1173292 12 19:26:02 114508 1767796 93.92 2620 1232088 899692 30.70 436680 1173292 8 Average: 114522 1767782 93.92 2620 1232078 899687 30.70 436402 1173357 12 19:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:22:01 eth0 0.43 0.08 0.02 0.02 0.00 0.00 0.00 19:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 eth0 0.63 0.23 0.17 0.02 0.00 0.00 0.00 19:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 eth0 1.12 0.68 0.55 0.40 0.00 0.00 0.00 19:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 19:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:02 eth0 0.32 0.20 0.14 0.07 0.00 0.00 0.00 19:26:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.51 0.24 0.18 0.10 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 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) 02/25/20 _x86_64_ (4 CPU) 19:20:10 LINUX RESTART 19:21:01 CPU %user %nice %system %iowait %steal %idle 19:22:01 all 0.18 0.00 0.12 0.02 0.00 99.67 19:22:01 0 0.02 0.00 0.07 0.00 0.02 99.90 19:22:01 1 0.50 0.00 0.17 0.00 0.00 99.33 19:22:01 2 0.15 0.00 0.12 0.00 0.00 99.73 19:22:01 3 0.05 0.00 0.13 0.08 0.00 99.73 19:23:01 all 0.16 0.00 0.06 0.00 0.00 99.78 19:23:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:23:01 1 0.47 0.00 0.07 0.00 0.00 99.47 19:23:01 2 0.10 0.00 0.08 0.00 0.00 99.82 19:23:01 3 0.07 0.00 0.03 0.00 0.00 99.90 19:24:01 all 0.19 0.00 0.05 0.00 0.00 99.75 19:24:01 0 0.07 0.00 0.03 0.00 0.00 99.90 19:24:01 1 0.17 0.00 0.03 0.00 0.02 99.78 19:24:01 2 0.10 0.00 0.10 0.00 0.00 99.80 19:24:01 3 0.45 0.00 0.03 0.00 0.00 99.52 19:25:01 all 0.16 0.00 0.05 0.00 0.00 99.78 19:25:01 0 0.07 0.00 0.05 0.00 0.00 99.88 19:25:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:25:01 2 0.05 0.00 0.07 0.00 0.00 99.88 19:25:01 3 0.47 0.00 0.05 0.00 0.00 99.48 19:26:02 all 0.17 0.00 0.04 0.00 0.00 99.79 19:26:02 0 0.03 0.00 0.05 0.00 0.00 99.92 19:26:02 1 0.05 0.00 0.05 0.00 0.00 99.90 19:26:02 2 0.07 0.00 0.05 0.00 0.00 99.88 19:26:02 3 0.53 0.00 0.03 0.00 0.00 99.43 Average: all 0.17 0.00 0.07 0.00 0.00 99.75 Average: 0 0.04 0.00 0.05 0.00 0.00 99.91 Average: 1 0.25 0.00 0.07 0.00 0.00 99.68 Average: 2 0.09 0.00 0.08 0.00 0.00 99.82 Average: 3 0.31 0.00 0.06 0.02 0.00 99.61