---> uname -a: Linux c94d97df6e89 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-214 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dry_go-mod-core-contracts_PR-214@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 74 0 1156 1127 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) 02/11/20 _x86_64_ (4 CPU) 18:40:32 LINUX RESTART 18:41:01 tps rtps wtps bread/s bwrtn/s 18:42:02 57.65 22.90 34.76 4353.14 3475.47 18:43:01 2.27 0.00 2.27 0.00 80.71 18:44:01 0.33 0.00 0.33 0.00 5.98 18:45:01 0.63 0.00 0.63 0.00 7.53 18:46:01 0.20 0.00 0.20 0.00 2.83 18:47:01 0.40 0.00 0.40 0.00 6.59 18:48:01 0.30 0.00 0.30 0.00 3.63 18:49:01 131.66 86.08 45.58 5656.07 16865.36 Average: 24.24 13.65 10.58 1254.27 2561.87 18:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:42:02 110556 1771748 94.13 2620 1229148 944552 32.23 437520 1175264 20 18:43:01 115648 1766656 93.86 2620 1229276 931308 31.78 434540 1174460 16 18:44:01 115236 1767068 93.88 2620 1229280 931368 31.78 434788 1174444 20 18:45:01 116116 1766188 93.83 2620 1229280 930396 31.74 434468 1174420 12 18:46:01 115372 1766932 93.87 2620 1229288 930456 31.75 434840 1174420 12 18:47:01 117120 1765184 93.78 2620 1229292 919124 31.36 433604 1174236 20 18:48:01 119060 1763244 93.67 2620 1229296 902640 30.80 432116 1174016 12 18:49:01 93116 1789188 95.05 2620 1181944 949408 32.39 448028 1141120 35076 Average: 112778 1769526 94.01 2620 1223351 929907 31.73 436238 1170298 4399 18:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:42:02 eth0 402.35 297.90 999.93 96.58 0.00 0.00 0.00 18:42:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:42:02 docker0 3.39 2.78 0.66 8.45 0.00 0.00 0.00 18:43:01 eth0 3.73 1.10 1.08 0.59 0.00 0.00 0.00 18:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:44:01 eth0 3.33 1.38 1.26 0.84 0.00 0.00 0.00 18:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 eth0 3.61 1.38 1.22 0.80 0.00 0.00 0.00 18:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:01 eth0 1.83 0.73 0.84 0.58 0.00 0.00 0.00 18:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 eth0 0.80 0.45 0.41 0.28 0.00 0.00 0.00 18:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 eth0 0.38 0.08 0.02 0.01 0.00 0.00 0.00 18:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 vethd923271 0.00 0.08 0.00 0.01 0.00 0.00 0.00 18:49:01 eth0 554.39 409.81 3173.70 116.14 0.00 0.00 0.00 18:49:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 18:49:01 docker0 3.40 2.78 0.66 8.45 0.00 0.00 0.00 Average: vethd923271 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 69.46 51.34 397.61 14.55 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.43 0.35 0.08 1.06 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) 02/11/20 _x86_64_ (4 CPU) 18:40:32 LINUX RESTART 18:41:01 CPU %user %nice %system %iowait %steal %idle 18:42:02 all 13.23 0.00 4.34 1.46 0.05 80.92 18:42:02 0 12.57 0.00 4.39 0.67 0.08 82.28 18:42:02 1 11.26 0.00 4.80 0.44 0.03 83.48 18:42:02 2 15.32 0.00 3.84 1.04 0.05 79.75 18:42:02 3 13.79 0.00 4.32 3.70 0.03 78.16 18:43:01 all 0.15 0.00 0.08 0.00 0.00 99.77 18:43:01 0 0.03 0.00 0.05 0.00 0.00 99.92 18:43:01 1 0.08 0.00 0.07 0.00 0.00 99.85 18:43:01 2 0.41 0.00 0.14 0.00 0.00 99.46 18:43:01 3 0.05 0.00 0.07 0.00 0.00 99.88 18:44:01 all 0.21 0.00 0.07 0.00 0.02 99.70 18:44:01 0 0.08 0.00 0.08 0.00 0.02 99.82 18:44:01 1 0.15 0.00 0.10 0.00 0.05 99.70 18:44:01 2 0.50 0.00 0.07 0.00 0.02 99.42 18:44:01 3 0.12 0.00 0.07 0.00 0.03 99.78 18:45:01 all 0.18 0.00 0.06 0.00 0.11 99.65 18:45:01 0 0.50 0.00 0.05 0.00 0.13 99.32 18:45:01 1 0.08 0.00 0.05 0.00 0.15 99.72 18:45:01 2 0.05 0.00 0.03 0.00 0.02 99.90 18:45:01 3 0.08 0.00 0.12 0.00 0.10 99.70 18:46:01 all 0.20 0.00 0.06 0.00 0.04 99.70 18:46:01 0 0.55 0.00 0.03 0.00 0.03 99.38 18:46:01 1 0.05 0.00 0.05 0.00 0.02 99.88 18:46:01 2 0.10 0.00 0.07 0.00 0.05 99.78 18:46:01 3 0.10 0.00 0.07 0.00 0.07 99.77 18:47:01 all 0.18 0.00 0.07 0.00 0.01 99.74 18:47:01 0 0.48 0.00 0.03 0.00 0.02 99.47 18:47:01 1 0.07 0.00 0.05 0.00 0.00 99.88 18:47:01 2 0.05 0.00 0.07 0.00 0.02 99.87 18:47:01 3 0.13 0.00 0.10 0.00 0.00 99.77 18:48:01 all 0.19 0.00 0.05 0.00 0.00 99.75 18:48:01 0 0.03 0.00 0.05 0.00 0.00 99.92 18:48:01 1 0.07 0.00 0.05 0.00 0.02 99.87 18:48:01 2 0.10 0.00 0.08 0.00 0.00 99.82 18:48:01 3 0.55 0.00 0.05 0.00 0.02 99.38 18:49:01 all 5.60 0.00 3.48 1.68 0.07 89.17 18:49:01 0 4.95 0.00 3.79 1.68 0.07 89.51 18:49:01 1 6.35 0.00 3.68 2.20 0.07 87.71 18:49:01 2 5.52 0.00 3.20 0.94 0.10 90.24 18:49:01 3 5.60 0.00 3.21 1.92 0.05 89.23 Average: all 2.48 0.00 1.02 0.39 0.04 96.06 Average: 0 2.39 0.00 1.06 0.29 0.04 96.21 Average: 1 2.25 0.00 1.10 0.33 0.04 96.28 Average: 2 2.75 0.00 0.93 0.25 0.03 96.04 Average: 3 2.54 0.00 1.00 0.70 0.04 95.72