---> uname -a: Linux aa20f051ac8e 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-205 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-205@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 592 77 0 1168 1142 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) 01/23/20 _x86_64_ (4 CPU) 20:29:22 LINUX RESTART 20:30:02 tps rtps wtps bread/s bwrtn/s 20:31:01 49.26 11.48 37.78 2509.18 3372.81 20:32:01 3.86 0.00 3.86 0.00 144.37 20:33:01 0.25 0.00 0.25 0.00 3.01 20:34:01 0.32 0.00 0.32 0.00 3.75 20:35:01 0.23 0.00 0.23 0.00 3.51 20:36:01 0.33 0.00 0.33 0.00 4.20 Average: 8.94 1.89 7.05 412.78 581.40 20:30:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:31:01 118088 1764216 93.73 2620 1229200 977480 33.35 414584 1187952 800 20:32:01 127400 1754904 93.23 2620 1229204 909892 31.05 411508 1185444 20 20:33:01 126888 1755416 93.26 2620 1229212 909972 31.05 411868 1185444 20 20:34:01 126424 1755880 93.28 2620 1229212 910040 31.05 413248 1184356 16 20:35:01 130160 1752144 93.09 2620 1229220 885272 30.21 410988 1183692 8 20:36:01 129312 1752992 93.13 2620 1229224 885492 30.21 411976 1183692 20 Average: 126379 1755925 93.29 2620 1229212 913025 31.15 412362 1185097 147 20:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:31:01 eth0 181.85 145.46 875.99 85.36 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 3.18 2.47 0.64 7.64 0.00 0.00 0.00 20:32:01 eth0 1.98 0.78 1.08 0.23 0.00 0.00 0.00 20:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 eth0 1.37 0.37 0.32 0.20 0.00 0.00 0.00 20:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 eth0 0.78 0.37 0.28 0.21 0.00 0.00 0.00 20:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 eth0 1.38 0.57 0.48 0.28 0.00 0.00 0.00 20:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 30.86 24.29 144.47 14.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.52 0.41 0.11 1.26 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) 01/23/20 _x86_64_ (4 CPU) 20:29:22 LINUX RESTART 20:30:02 CPU %user %nice %system %iowait %steal %idle 20:31:01 all 7.90 0.00 3.45 0.97 13.58 74.10 20:31:01 0 7.76 0.00 2.90 0.44 14.66 74.23 20:31:01 1 10.38 0.00 3.98 1.82 13.15 70.67 20:31:01 2 7.51 0.00 3.31 0.31 12.60 76.26 20:31:01 3 6.03 0.00 3.63 1.31 13.88 75.14 20:32:01 all 0.12 0.00 0.08 0.00 0.46 99.34 20:32:01 0 0.07 0.00 0.08 0.00 0.33 99.52 20:32:01 1 0.07 0.00 0.15 0.00 0.66 99.12 20:32:01 2 0.28 0.00 0.08 0.00 0.55 99.09 20:32:01 3 0.05 0.00 0.03 0.00 0.30 99.62 20:33:01 all 0.09 0.00 0.04 0.00 0.48 99.39 20:33:01 0 0.02 0.00 0.02 0.00 0.38 99.58 20:33:01 1 0.18 0.00 0.05 0.00 0.57 99.20 20:33:01 2 0.12 0.00 0.02 0.00 0.48 99.38 20:33:01 3 0.03 0.00 0.03 0.00 0.48 99.45 20:34:01 all 0.15 0.00 0.05 0.00 0.12 99.68 20:34:01 0 0.07 0.00 0.05 0.00 0.30 99.58 20:34:01 1 0.43 0.00 0.08 0.00 0.10 99.38 20:34:01 2 0.03 0.00 0.03 0.00 0.02 99.92 20:34:01 3 0.07 0.00 0.03 0.00 0.10 99.80 20:35:01 all 0.10 0.00 0.05 0.00 0.30 99.54 20:35:01 0 0.02 0.00 0.03 0.00 0.42 99.53 20:35:01 1 0.07 0.00 0.08 0.00 0.27 99.58 20:35:01 2 0.05 0.00 0.05 0.00 0.28 99.62 20:35:01 3 0.25 0.00 0.05 0.00 0.23 99.47 20:36:01 all 0.12 0.00 0.05 0.00 0.30 99.53 20:36:01 0 0.05 0.00 0.02 0.00 0.22 99.72 20:36:01 1 0.12 0.00 0.07 0.00 0.52 99.30 20:36:01 2 0.03 0.00 0.03 0.00 0.23 99.70 20:36:01 3 0.28 0.00 0.07 0.00 0.25 99.40 Average: all 1.42 0.00 0.62 0.16 2.55 95.24 Average: 0 1.34 0.00 0.52 0.07 2.74 95.33 Average: 1 1.84 0.00 0.72 0.30 2.51 94.63 Average: 2 1.36 0.00 0.59 0.05 2.39 95.61 Average: 3 1.13 0.00 0.65 0.22 2.58 95.42