---> uname -a: Linux 253b6239cdb6 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% /w/workspace/dry_go-mod-core-contracts_PR-213 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-213@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 611 72 0 1154 1122 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) 02/10/20 _x86_64_ (4 CPU) 15:16:04 LINUX RESTART 15:17:01 tps rtps wtps bread/s bwrtn/s 15:18:01 9.86 0.07 9.79 2.13 1896.69 15:19:01 2.55 0.00 2.55 0.00 77.83 15:20:01 0.65 0.00 0.65 0.00 7.53 15:21:01 0.67 0.00 0.67 0.00 7.84 15:22:02 0.72 0.00 0.72 0.00 8.61 15:23:01 47.76 46.94 0.81 3329.15 14.89 Average: 10.26 7.72 2.54 547.42 336.47 15:17:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:18:01 112056 1770248 94.05 2620 1229940 897900 30.64 440772 1171540 12 15:19:01 112160 1770144 94.04 2620 1229944 897900 30.64 441032 1171240 8 15:20:01 110760 1771544 94.12 2620 1229952 898104 30.64 442320 1171240 8 15:21:01 110432 1771872 94.13 2620 1229952 898128 30.64 442360 1171240 12 15:22:02 111536 1770768 94.07 2620 1229960 897972 30.64 441516 1171240 8 15:23:01 84904 1797400 95.49 2620 1249944 899608 30.69 439928 1195336 108 Average: 106975 1775329 94.32 2620 1233282 898269 30.65 441321 1175306 26 15:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:18:01 eth0 0.07 0.08 0.01 0.06 0.00 0.00 0.00 15:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 eth0 1.27 0.15 0.11 0.01 0.00 0.00 0.00 15:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 eth0 1.50 0.83 0.68 0.41 0.00 0.00 0.00 15:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 eth0 0.87 0.32 0.30 0.20 0.00 0.00 0.00 15:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:02 eth0 0.70 0.15 0.17 0.07 0.00 0.00 0.00 15:22:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 eth0 9.15 5.98 8.67 3.39 0.00 0.00 0.00 15:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.24 1.24 1.64 0.68 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) 02/10/20 _x86_64_ (4 CPU) 15:16:04 LINUX RESTART 15:17:01 CPU %user %nice %system %iowait %steal %idle 15:18:01 all 0.19 0.00 0.08 0.01 0.00 99.72 15:18:01 0 0.07 0.00 0.05 0.00 0.00 99.88 15:18:01 1 0.57 0.00 0.13 0.00 0.00 99.30 15:18:01 2 0.08 0.00 0.07 0.00 0.00 99.85 15:18:01 3 0.05 0.00 0.07 0.03 0.00 99.85 15:19:01 all 0.09 0.00 0.04 0.00 0.00 99.87 15:19:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:19:01 1 0.20 0.00 0.08 0.00 0.00 99.72 15:19:01 2 0.07 0.00 0.03 0.00 0.02 99.88 15:19:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:20:01 all 0.10 0.00 0.05 0.00 0.00 99.86 15:20:01 0 0.03 0.00 0.05 0.00 0.00 99.92 15:20:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:20:01 2 0.25 0.00 0.03 0.00 0.00 99.72 15:20:01 3 0.05 0.00 0.05 0.00 0.00 99.90 15:21:01 all 0.19 0.00 0.04 0.00 0.00 99.77 15:21:01 0 0.07 0.00 0.07 0.00 0.00 99.87 15:21:01 1 0.07 0.00 0.03 0.00 0.00 99.90 15:21:01 2 0.55 0.00 0.05 0.00 0.00 99.40 15:21:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:22:02 all 0.17 0.00 0.05 0.00 0.00 99.78 15:22:02 0 0.02 0.00 0.03 0.00 0.00 99.95 15:22:02 1 0.05 0.00 0.03 0.00 0.00 99.92 15:22:02 2 0.58 0.00 0.07 0.00 0.00 99.35 15:22:02 3 0.02 0.00 0.03 0.00 0.00 99.95 15:23:01 all 0.92 0.00 0.40 1.10 0.00 97.57 15:23:01 0 0.70 0.00 0.58 1.03 0.00 97.69 15:23:01 1 1.43 0.00 0.39 2.36 0.02 95.81 15:23:01 2 0.98 0.00 0.42 0.03 0.00 98.56 15:23:01 3 0.59 0.00 0.25 0.97 0.00 98.18 Average: all 0.27 0.00 0.11 0.18 0.00 99.43 Average: 0 0.15 0.00 0.13 0.17 0.00 99.55 Average: 1 0.39 0.00 0.12 0.39 0.00 99.10 Average: 2 0.42 0.00 0.11 0.01 0.00 99.46 Average: 3 0.13 0.00 0.08 0.16 0.00 99.62