---> uname -a: Linux 5224786c798d 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-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 589 81 0 1167 1145 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) 05/07/20 _x86_64_ (4 CPU) 07:58:51 LINUX RESTART 08:00:01 tps rtps wtps bread/s bwrtn/s 08:01:01 9.24 0.02 9.23 0.13 1826.11 08:02:01 0.55 0.12 0.43 2.13 8.56 08:03:01 0.15 0.00 0.15 0.00 2.15 08:04:01 0.30 0.00 0.30 0.00 3.73 08:05:01 0.30 0.00 0.30 0.00 4.33 08:06:01 68.36 49.73 18.63 3422.71 8313.62 Average: 13.15 8.31 4.84 570.96 1693.41 08:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:01:01 124572 1757732 93.38 2620 1240472 910592 31.07 404092 1189788 8 08:02:01 124984 1757320 93.36 2620 1240616 908628 31.00 403916 1189564 16 08:03:01 123708 1758596 93.43 2620 1240624 908856 31.01 405196 1189564 16 08:04:01 124436 1757868 93.39 2620 1240624 908784 31.01 404812 1189564 20 08:05:01 124088 1758216 93.41 2620 1240628 908832 31.01 405092 1189564 8 08:06:01 69324 1812980 96.32 2620 1239772 1112748 37.97 455624 1175220 82512 Average: 115185 1767119 93.88 2620 1240456 943073 32.18 413122 1187211 13763 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:01:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 08:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 eth0 0.43 0.08 0.04 0.01 0.00 0.00 0.00 08:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 eth0 1.25 0.45 0.33 0.21 0.00 0.00 0.00 08:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 eth0 0.97 0.28 0.31 0.20 0.00 0.00 0.00 08:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 eth0 0.55 0.40 0.40 0.26 0.00 0.00 0.00 08:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 eth0 90.01 76.22 2326.88 9.67 0.00 0.00 0.00 08:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 15.55 12.92 388.08 1.73 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) 05/07/20 _x86_64_ (4 CPU) 07:58:51 LINUX RESTART 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:01:01 all 0.21 0.00 0.10 0.00 0.00 99.68 08:01:01 0 0.08 0.00 0.05 0.00 0.02 99.85 08:01:01 1 0.58 0.00 0.10 0.00 0.00 99.32 08:01:01 2 0.08 0.00 0.12 0.00 0.00 99.80 08:01:01 3 0.08 0.00 0.15 0.00 0.00 99.77 08:02:01 all 0.20 0.00 0.06 0.00 0.00 99.75 08:02:01 0 0.07 0.00 0.10 0.02 0.00 99.82 08:02:01 1 0.57 0.00 0.05 0.00 0.00 99.38 08:02:01 2 0.07 0.00 0.07 0.00 0.00 99.87 08:02:01 3 0.07 0.00 0.05 0.02 0.00 99.87 08:03:01 all 0.20 0.00 0.06 0.00 0.00 99.75 08:03:01 0 0.08 0.00 0.05 0.00 0.00 99.87 08:03:01 1 0.55 0.00 0.03 0.00 0.00 99.42 08:03:01 2 0.07 0.00 0.05 0.00 0.00 99.88 08:03:01 3 0.10 0.00 0.05 0.00 0.00 99.85 08:04:01 all 0.18 0.00 0.05 0.00 0.00 99.77 08:04:01 0 0.02 0.00 0.03 0.00 0.00 99.95 08:04:01 1 0.57 0.00 0.05 0.00 0.00 99.38 08:04:01 2 0.05 0.00 0.05 0.00 0.00 99.90 08:04:01 3 0.07 0.00 0.07 0.00 0.00 99.87 08:05:01 all 0.17 0.00 0.05 0.00 0.00 99.78 08:05:01 0 0.03 0.00 0.05 0.00 0.00 99.92 08:05:01 1 0.25 0.00 0.05 0.00 0.00 99.70 08:05:01 2 0.37 0.00 0.08 0.00 0.00 99.55 08:05:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:06:01 all 2.99 0.00 1.73 1.11 0.01 94.15 08:06:01 0 2.94 0.00 1.82 0.92 0.00 94.32 08:06:01 1 2.91 0.00 1.81 0.84 0.02 94.43 08:06:01 2 3.36 0.00 1.64 1.00 0.00 94.00 08:06:01 3 2.76 0.00 1.69 1.67 0.02 93.86 Average: all 0.66 0.00 0.34 0.18 0.00 98.82 Average: 0 0.54 0.00 0.35 0.16 0.00 98.95 Average: 1 0.90 0.00 0.35 0.14 0.00 98.61 Average: 2 0.66 0.00 0.33 0.17 0.00 98.83 Average: 3 0.52 0.00 0.34 0.28 0.00 98.86