---> uname -a: Linux 54972ae28730 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-195 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-195@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 599 64 0 1174 1134 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) 01/14/20 _x86_64_ (4 CPU) 03:27:51 LINUX RESTART 03:29:01 tps rtps wtps bread/s bwrtn/s 03:30:01 8.98 0.00 8.98 0.00 1723.92 03:31:01 0.42 0.00 0.42 0.00 5.61 03:32:01 0.65 0.00 0.65 0.00 7.53 03:33:01 0.67 0.00 0.67 0.00 8.06 03:34:01 0.83 0.00 0.83 0.00 10.58 Average: 2.31 0.00 2.31 0.00 351.15 03:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:01 116792 1765512 93.80 2620 1241016 897580 30.62 417484 1189788 20 03:31:01 115900 1766404 93.84 2620 1241020 897736 30.63 418868 1189484 8 03:32:01 115824 1766480 93.85 2620 1241028 897700 30.63 418764 1189476 8 03:33:01 115960 1766344 93.84 2620 1241028 897748 30.63 419004 1189476 8 03:34:01 116320 1765984 93.82 2620 1241036 897664 30.63 418480 1189476 8 Average: 116159 1766145 93.83 2620 1241026 897686 30.63 418520 1189540 10 03:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:30:01 eth0 0.85 0.08 0.07 0.04 0.00 0.00 0.00 03:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 eth0 2.00 0.92 1.32 0.24 0.00 0.00 0.00 03:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 eth0 0.52 0.32 0.27 0.20 0.00 0.00 0.00 03:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 eth0 0.83 0.33 0.30 0.20 0.00 0.00 0.00 03:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 eth0 0.27 0.22 0.09 0.07 0.00 0.00 0.00 03:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.89 0.37 0.41 0.15 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) 01/14/20 _x86_64_ (4 CPU) 03:27:51 LINUX RESTART 03:29:01 CPU %user %nice %system %iowait %steal %idle 03:30:01 all 0.18 0.00 0.06 0.00 0.00 99.76 03:30:01 0 0.07 0.00 0.05 0.00 0.00 99.88 03:30:01 1 0.08 0.00 0.10 0.00 0.00 99.82 03:30:01 2 0.52 0.00 0.07 0.00 0.00 99.42 03:30:01 3 0.07 0.00 0.03 0.00 0.00 99.90 03:31:01 all 0.16 0.00 0.04 0.00 0.00 99.80 03:31:01 0 0.07 0.00 0.02 0.00 0.00 99.92 03:31:01 1 0.10 0.00 0.05 0.00 0.00 99.85 03:31:01 2 0.45 0.00 0.03 0.00 0.00 99.52 03:31:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:32:01 all 0.16 0.00 0.04 0.00 0.00 99.80 03:32:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:32:01 1 0.03 0.00 0.05 0.00 0.00 99.92 03:32:01 2 0.50 0.00 0.05 0.00 0.00 99.45 03:32:01 3 0.07 0.00 0.03 0.00 0.00 99.90 03:33:01 all 0.18 0.00 0.03 0.00 0.00 99.79 03:33:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:33:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:33:01 2 0.58 0.00 0.05 0.00 0.00 99.37 03:33:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:34:01 all 0.16 0.00 0.03 0.00 0.00 99.81 03:34:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:34:01 1 0.03 0.00 0.05 0.00 0.00 99.92 03:34:01 2 0.55 0.00 0.02 0.00 0.00 99.43 03:34:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.17 0.00 0.04 0.00 0.00 99.79 Average: 0 0.05 0.00 0.03 0.00 0.00 99.92 Average: 1 0.06 0.00 0.06 0.00 0.00 99.88 Average: 2 0.52 0.00 0.04 0.00 0.00 99.44 Average: 3 0.05 0.00 0.03 0.00 0.00 99.92