---> uname -a: Linux 47e792fd93cd 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-210 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-210@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 606 65 0 1165 1127 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) 02/10/20 _x86_64_ (4 CPU) 21:02:03 LINUX RESTART 21:03:01 tps rtps wtps bread/s bwrtn/s 21:04:01 12.06 0.05 12.01 1.60 1851.26 21:05:01 2.50 0.00 2.50 0.00 77.30 21:06:01 0.25 0.00 0.25 0.00 2.75 21:07:01 0.35 0.00 0.35 0.00 5.83 21:08:01 0.30 0.00 0.30 0.00 5.45 21:09:01 0.37 0.00 0.37 0.00 5.66 21:10:01 0.35 0.00 0.35 0.00 5.03 Average: 2.31 0.01 2.30 0.23 279.07 21:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:04:01 118732 1763572 93.69 2620 1233528 928000 31.66 428480 1177108 8 21:05:01 119116 1763188 93.67 2620 1233532 921832 31.45 428260 1176808 8 21:06:01 121160 1761144 93.56 2620 1233540 902412 30.79 426556 1176808 20 21:07:01 120620 1761684 93.59 2620 1233540 902564 30.80 427216 1176808 16 21:08:01 120256 1762048 93.61 2620 1233548 902636 30.80 427544 1176808 12 21:09:01 121596 1760708 93.54 2620 1233552 902432 30.79 426596 1176808 12 21:10:01 129044 1753260 93.14 2620 1233556 902432 30.79 419104 1176804 8 Average: 121503 1760801 93.54 2620 1233542 908901 31.01 426251 1176850 12 21:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:04:01 eth0 2.23 1.12 1.78 0.31 0.00 0.00 0.00 21:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 eth0 1.03 0.28 0.30 0.20 0.00 0.00 0.00 21:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 eth0 1.03 0.17 0.19 0.01 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 eth0 1.52 0.62 0.59 0.40 0.00 0.00 0.00 21:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 eth0 0.70 0.43 0.40 0.28 0.00 0.00 0.00 21:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 eth0 0.10 0.07 0.01 0.01 0.00 0.00 0.00 21:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.96 0.39 0.47 0.17 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) 02/10/20 _x86_64_ (4 CPU) 21:02:03 LINUX RESTART 21:03:01 CPU %user %nice %system %iowait %steal %idle 21:04:01 all 0.21 0.00 0.09 0.00 0.00 99.69 21:04:01 0 0.10 0.00 0.03 0.00 0.00 99.87 21:04:01 1 0.47 0.00 0.10 0.00 0.00 99.43 21:04:01 2 0.10 0.00 0.15 0.00 0.00 99.75 21:04:01 3 0.17 0.00 0.08 0.00 0.00 99.75 21:05:01 all 0.20 0.00 0.05 0.00 0.00 99.75 21:05:01 0 0.03 0.00 0.07 0.00 0.00 99.90 21:05:01 1 0.58 0.00 0.07 0.00 0.00 99.35 21:05:01 2 0.10 0.00 0.03 0.00 0.00 99.87 21:05:01 3 0.07 0.00 0.05 0.00 0.00 99.88 21:06:01 all 0.17 0.00 0.05 0.00 0.00 99.78 21:06:01 0 0.07 0.00 0.03 0.00 0.00 99.90 21:06:01 1 0.53 0.00 0.03 0.00 0.00 99.43 21:06:01 2 0.03 0.00 0.07 0.00 0.02 99.88 21:06:01 3 0.07 0.00 0.08 0.00 0.00 99.85 21:07:01 all 0.18 0.00 0.05 0.00 0.00 99.77 21:07:01 0 0.07 0.00 0.05 0.00 0.00 99.88 21:07:01 1 0.55 0.00 0.03 0.00 0.00 99.42 21:07:01 2 0.08 0.00 0.07 0.00 0.00 99.85 21:07:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:08:01 all 0.21 0.00 0.06 0.00 0.00 99.73 21:08:01 0 0.12 0.00 0.08 0.00 0.00 99.80 21:08:01 1 0.57 0.00 0.03 0.00 0.00 99.40 21:08:01 2 0.08 0.00 0.03 0.00 0.00 99.88 21:08:01 3 0.08 0.00 0.07 0.00 0.00 99.85 21:09:01 all 0.18 0.00 0.05 0.00 0.00 99.77 21:09:01 0 0.05 0.00 0.05 0.00 0.00 99.90 21:09:01 1 0.55 0.00 0.05 0.00 0.00 99.40 21:09:01 2 0.05 0.00 0.05 0.00 0.00 99.90 21:09:01 3 0.05 0.00 0.05 0.00 0.00 99.90 21:10:01 all 0.17 0.00 0.05 0.00 0.00 99.78 21:10:01 0 0.08 0.00 0.08 0.00 0.00 99.83 21:10:01 1 0.55 0.00 0.05 0.00 0.00 99.40 21:10:01 2 0.03 0.00 0.03 0.00 0.00 99.93 21:10:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.19 0.00 0.06 0.00 0.00 99.75 Average: 0 0.07 0.00 0.06 0.00 0.00 99.87 Average: 1 0.54 0.00 0.05 0.00 0.00 99.41 Average: 2 0.07 0.00 0.06 0.00 0.00 99.87 Average: 3 0.07 0.00 0.05 0.00 0.00 99.88