---> uname -a: Linux bb7bf27c107c 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-241 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-241@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 596 76 0 1165 1138 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) 05/08/20 _x86_64_ (4 CPU) 17:11:20 LINUX RESTART 17:12:01 tps rtps wtps bread/s bwrtn/s 17:13:01 22.19 7.24 14.95 2033.97 1983.17 17:14:01 2.91 0.02 2.90 0.53 98.97 17:15:01 0.23 0.00 0.23 0.00 3.46 17:16:01 0.27 0.00 0.27 0.00 2.83 Average: 6.40 1.82 4.59 508.69 522.17 17:12:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:13:01 120256 1762048 93.61 2620 1226532 943576 32.19 404096 1193476 16 17:14:01 126192 1756112 93.30 2620 1226544 898036 30.64 402356 1190192 16 17:15:01 125740 1756564 93.32 2620 1226548 898236 30.65 403496 1189948 12 17:16:01 127208 1755096 93.24 2620 1226552 897984 30.64 401980 1189952 12 Average: 124849 1757455 93.37 2620 1226544 909458 31.03 402982 1190892 14 17:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:13:01 eth0 54.73 43.72 341.11 38.14 0.00 0.00 0.00 17:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 docker0 3.30 2.43 0.71 8.47 0.00 0.00 0.00 17:14:01 eth0 1.62 0.50 0.91 0.03 0.00 0.00 0.00 17:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 eth0 1.27 0.78 0.59 0.41 0.00 0.00 0.00 17:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 17:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 14.43 11.27 85.66 9.65 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.82 0.61 0.18 2.12 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) 05/08/20 _x86_64_ (4 CPU) 17:11:20 LINUX RESTART 17:12:01 CPU %user %nice %system %iowait %steal %idle 17:13:01 all 2.80 0.00 1.53 0.12 0.01 95.54 17:13:01 0 2.91 0.00 1.72 0.15 0.00 95.22 17:13:01 1 3.12 0.00 1.12 0.03 0.00 95.72 17:13:01 2 2.69 0.00 1.79 0.18 0.00 95.34 17:13:01 3 2.49 0.00 1.52 0.12 0.02 95.85 17:14:01 all 0.18 0.00 0.06 0.00 0.00 99.76 17:14:01 0 0.17 0.00 0.03 0.00 0.00 99.80 17:14:01 1 0.37 0.00 0.08 0.00 0.00 99.55 17:14:01 2 0.05 0.00 0.08 0.00 0.00 99.87 17:14:01 3 0.12 0.00 0.05 0.00 0.00 99.83 17:15:01 all 0.20 0.00 0.07 0.00 0.00 99.73 17:15:01 0 0.07 0.00 0.07 0.00 0.00 99.87 17:15:01 1 0.57 0.00 0.07 0.00 0.00 99.37 17:15:01 2 0.15 0.00 0.08 0.00 0.02 99.75 17:15:01 3 0.05 0.00 0.05 0.00 0.00 99.90 17:16:01 all 0.18 0.00 0.05 0.00 0.00 99.77 17:16:01 0 0.05 0.00 0.05 0.00 0.00 99.90 17:16:01 1 0.57 0.00 0.07 0.00 0.00 99.37 17:16:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:16:01 3 0.03 0.00 0.05 0.00 0.00 99.92 Average: all 0.84 0.00 0.43 0.03 0.00 98.70 Average: 0 0.80 0.00 0.47 0.04 0.00 98.70 Average: 1 1.15 0.00 0.33 0.01 0.00 98.50 Average: 2 0.73 0.00 0.50 0.05 0.00 98.72 Average: 3 0.67 0.00 0.42 0.03 0.00 98.88