---> uname -a: Linux 64e9b67b8d95 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: 2933.442 BogoMIPS: 5866.88 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 640 75 0 1122 1094 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) 06/03/20 _x86_64_ (4 CPU) 11:35:14 LINUX RESTART 11:36:01 tps rtps wtps bread/s bwrtn/s 11:37:01 12.54 1.67 10.87 188.21 1873.58 11:38:01 2.66 0.00 2.66 0.00 85.78 11:39:01 0.60 0.00 0.60 0.00 6.98 11:40:01 0.63 0.00 0.63 0.00 7.79 11:41:01 0.65 0.00 0.65 0.00 7.66 11:42:01 98.10 67.87 30.24 3862.27 15077.31 Average: 19.20 11.59 7.61 675.19 2843.65 11:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:37:01 105152 1777152 94.41 2620 1204968 959076 32.72 460196 1153228 12 11:38:01 113576 1768728 93.97 2620 1204972 914324 31.20 456032 1150872 8 11:39:01 112080 1770224 94.05 2620 1204984 914580 31.21 457240 1150872 8 11:40:01 112400 1769904 94.03 2620 1204984 914532 31.20 456784 1150872 8 11:41:01 112864 1769440 94.00 2620 1204992 914460 31.20 456360 1150872 8 11:42:01 92336 1789968 95.09 2620 1171464 1116756 38.10 463500 1140624 59880 Average: 108068 1774236 94.26 2620 1199394 955621 32.61 458352 1149557 9987 11:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:37:01 eth0 33.88 25.44 31.69 35.34 0.00 0.00 0.00 11:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 docker0 3.68 3.50 0.73 8.65 0.00 0.00 0.00 11:38:01 eth0 0.38 0.07 0.04 0.01 0.00 0.00 0.00 11:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 eth0 1.25 0.22 0.33 0.19 0.00 0.00 0.00 11:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 eth0 0.58 0.50 0.30 0.18 0.00 0.00 0.00 11:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:41:01 eth0 0.35 0.30 0.15 0.11 0.00 0.00 0.00 11:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:42:01 eth0 110.36 86.66 2331.26 11.91 0.00 0.00 0.00 11:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 24.47 18.87 394.03 7.96 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.61 0.58 0.12 1.44 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) 11:35:14 LINUX RESTART 11:36:01 CPU %user %nice %system %iowait %steal %idle 11:37:01 all 1.93 0.00 0.92 0.05 0.02 97.08 11:37:01 0 2.19 0.00 0.88 0.03 0.02 96.88 11:37:01 1 1.36 0.00 1.09 0.10 0.02 97.44 11:37:01 2 2.05 0.00 0.80 0.02 0.03 97.10 11:37:01 3 2.14 0.00 0.92 0.03 0.02 96.89 11:38:01 all 0.20 0.00 0.06 0.00 0.00 99.73 11:38:01 0 0.07 0.00 0.03 0.00 0.00 99.90 11:38:01 1 0.13 0.00 0.10 0.00 0.02 99.75 11:38:01 2 0.07 0.00 0.07 0.00 0.00 99.87 11:38:01 3 0.53 0.00 0.07 0.00 0.00 99.40 11:39:01 all 0.18 0.00 0.05 0.00 0.00 99.76 11:39:01 0 0.07 0.00 0.07 0.00 0.00 99.87 11:39:01 1 0.08 0.00 0.07 0.00 0.00 99.85 11:39:01 2 0.27 0.00 0.05 0.00 0.00 99.68 11:39:01 3 0.33 0.00 0.07 0.00 0.02 99.58 11:40:01 all 0.20 0.00 0.04 0.00 0.00 99.75 11:40:01 0 0.03 0.00 0.03 0.00 0.00 99.93 11:40:01 1 0.10 0.00 0.05 0.00 0.00 99.85 11:40:01 2 0.55 0.00 0.02 0.00 0.00 99.43 11:40:01 3 0.10 0.00 0.05 0.00 0.00 99.85 11:41:01 all 0.17 0.00 0.05 0.00 0.00 99.78 11:41:01 0 0.03 0.00 0.03 0.00 0.00 99.93 11:41:01 1 0.07 0.00 0.05 0.00 0.00 99.88 11:41:01 2 0.53 0.00 0.07 0.00 0.00 99.40 11:41:01 3 0.07 0.00 0.05 0.00 0.00 99.88 11:42:01 all 4.44 0.00 2.65 1.60 0.01 91.30 11:42:01 0 3.81 0.00 2.86 1.99 0.00 91.34 11:42:01 1 4.54 0.00 2.63 2.41 0.02 90.41 11:42:01 2 5.09 0.00 2.76 0.90 0.02 91.23 11:42:01 3 4.32 0.00 2.33 1.09 0.02 92.25 Average: all 1.19 0.00 0.63 0.27 0.01 97.91 Average: 0 1.03 0.00 0.65 0.34 0.00 97.98 Average: 1 1.04 0.00 0.66 0.42 0.01 97.87 Average: 2 1.42 0.00 0.63 0.15 0.01 97.79 Average: 3 1.25 0.00 0.58 0.19 0.01 97.98