---> uname -a: Linux e5a0f0c22a14 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 608 66 0 1163 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) 02/05/20 _x86_64_ (4 CPU) 22:23:35 LINUX RESTART 22:24:01 tps rtps wtps bread/s bwrtn/s 22:25:01 58.34 21.24 37.10 4221.17 3649.00 22:26:01 3.50 0.00 3.50 0.00 110.46 22:27:01 0.22 0.00 0.22 0.00 2.71 22:28:01 0.27 0.00 0.27 0.00 3.33 22:29:01 0.23 0.00 0.23 0.00 3.60 22:30:01 0.37 0.00 0.37 0.00 5.01 22:31:01 0.30 0.00 0.30 0.00 3.88 22:32:01 1.91 1.53 0.38 197.27 9.87 22:33:01 1.05 0.00 1.05 0.00 28.53 22:34:01 48.09 47.79 0.30 3076.37 4.06 Average: 11.43 7.06 4.37 749.70 382.23 22:24:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:25:01 102604 1779700 94.55 2620 1234588 950656 32.44 443320 1175132 20 22:26:01 112672 1769632 94.01 2620 1234708 908852 31.01 436968 1175048 16 22:27:01 112000 1770304 94.05 2620 1234716 908996 31.01 437648 1175036 8 22:28:01 112024 1770280 94.05 2620 1234716 909020 31.02 437920 1175036 20 22:29:01 111472 1770832 94.08 2620 1234724 909144 31.02 438188 1175036 20 22:30:01 111244 1771060 94.09 2620 1234728 909168 31.02 438540 1175036 8 22:31:01 112588 1769716 94.02 2620 1234732 908916 31.01 437044 1175032 8 22:32:01 97764 1784540 94.81 2620 1240800 921984 31.46 440124 1179668 20 22:33:01 98264 1784040 94.78 2620 1240812 922032 31.46 439872 1179676 8 22:34:01 86372 1795932 95.41 2620 1264464 910808 31.08 417928 1209876 92 Average: 105700 1776604 94.38 2620 1238899 915958 31.25 436755 1179458 22 22:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:25:01 eth0 437.88 302.53 999.92 97.17 0.00 0.00 0.00 22:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:01 docker0 2.70 2.00 0.59 7.51 0.00 0.00 0.00 22:26:01 eth0 0.63 0.08 0.05 0.04 0.00 0.00 0.00 22:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 eth0 1.55 0.62 0.59 0.37 0.00 0.00 0.00 22:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 eth0 1.80 0.68 0.66 0.40 0.00 0.00 0.00 22:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 eth0 2.00 0.67 0.63 0.43 0.00 0.00 0.00 22:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 eth0 1.52 0.67 0.70 0.46 0.00 0.00 0.00 22:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 eth0 0.87 0.08 0.07 0.01 0.00 0.00 0.00 22:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 eth0 9.17 5.38 8.13 3.46 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 eth0 1.20 0.68 0.89 0.46 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 eth0 9.33 5.00 7.52 3.50 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 46.62 31.65 101.96 10.63 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.27 0.20 0.06 0.75 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) 02/05/20 _x86_64_ (4 CPU) 22:23:35 LINUX RESTART 22:24:01 CPU %user %nice %system %iowait %steal %idle 22:25:01 all 12.89 0.00 3.96 1.62 0.02 81.51 22:25:01 0 10.97 0.00 4.64 1.43 0.00 82.96 22:25:01 1 13.50 0.00 3.64 2.90 0.03 79.93 22:25:01 2 10.98 0.00 4.16 0.60 0.03 84.22 22:25:01 3 16.11 0.00 3.40 1.56 0.02 78.92 22:26:01 all 0.18 0.00 0.08 0.00 0.00 99.74 22:26:01 0 0.08 0.00 0.10 0.00 0.02 99.80 22:26:01 1 0.42 0.00 0.10 0.00 0.00 99.48 22:26:01 2 0.10 0.00 0.08 0.00 0.00 99.82 22:26:01 3 0.10 0.00 0.07 0.00 0.00 99.83 22:27:01 all 0.07 0.00 0.05 0.00 0.00 99.88 22:27:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:27:01 1 0.07 0.00 0.03 0.00 0.00 99.90 22:27:01 2 0.07 0.00 0.05 0.00 0.00 99.88 22:27:01 3 0.10 0.00 0.07 0.00 0.00 99.83 22:28:01 all 0.11 0.00 0.05 0.00 0.00 99.84 22:28:01 0 0.08 0.00 0.05 0.00 0.00 99.87 22:28:01 1 0.22 0.00 0.03 0.00 0.00 99.75 22:28:01 2 0.08 0.00 0.05 0.00 0.00 99.87 22:28:01 3 0.07 0.00 0.03 0.00 0.00 99.90 22:29:01 all 0.21 0.00 0.05 0.00 0.00 99.74 22:29:01 0 0.07 0.00 0.07 0.00 0.00 99.87 22:29:01 1 0.58 0.00 0.05 0.00 0.00 99.37 22:29:01 2 0.10 0.00 0.03 0.00 0.00 99.87 22:29:01 3 0.08 0.00 0.05 0.00 0.00 99.87 22:30:01 all 0.20 0.00 0.05 0.00 0.00 99.75 22:30:01 0 0.05 0.00 0.03 0.00 0.02 99.90 22:30:01 1 0.55 0.00 0.05 0.00 0.00 99.40 22:30:01 2 0.12 0.00 0.08 0.00 0.00 99.80 22:30:01 3 0.05 0.00 0.05 0.00 0.00 99.90 22:31:01 all 0.18 0.00 0.04 0.00 0.00 99.78 22:31:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:31:01 1 0.58 0.00 0.05 0.00 0.00 99.37 22:31:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:31:01 3 0.03 0.00 0.05 0.00 0.00 99.92 22:32:01 all 0.50 0.00 0.38 0.02 0.02 99.09 22:32:01 0 0.40 0.00 0.43 0.05 0.02 99.10 22:32:01 1 0.52 0.00 0.30 0.00 0.05 99.13 22:32:01 2 0.60 0.00 0.32 0.00 0.02 99.07 22:32:01 3 0.50 0.00 0.42 0.00 0.02 99.07 22:33:01 all 0.21 0.00 0.08 0.00 0.00 99.71 22:33:01 0 0.05 0.00 0.07 0.00 0.00 99.88 22:33:01 1 0.12 0.00 0.10 0.00 0.00 99.78 22:33:01 2 0.57 0.00 0.08 0.00 0.00 99.35 22:33:01 3 0.08 0.00 0.07 0.00 0.02 99.83 22:34:01 all 0.84 0.00 0.38 1.15 0.00 97.63 22:34:01 0 0.82 0.00 0.37 0.67 0.00 98.15 22:34:01 1 0.40 0.00 0.30 1.12 0.00 98.18 22:34:01 2 0.48 0.00 0.37 1.95 0.00 97.20 22:34:01 3 1.67 0.00 0.45 0.87 0.00 97.01 Average: all 1.53 0.00 0.51 0.28 0.01 97.68 Average: 0 1.25 0.00 0.58 0.21 0.01 97.95 Average: 1 1.69 0.00 0.46 0.40 0.01 97.44 Average: 2 1.31 0.00 0.52 0.26 0.01 97.91 Average: 3 1.87 0.00 0.46 0.24 0.01 97.42