---> uname -a: Linux af936d9ae2fd 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 6.2G 43.8G 12% / 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 6.2G 43.8G 12% /etc/resolv.conf /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hostname /dev/vda1 50.0G 6.2G 43.8G 12% /etc/hosts /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/dry_go-mod-core-contracts_PR-202 /dev/vda1 50.0G 6.2G 43.8G 12% /w/workspace/dry_go-mod-core-contracts_PR-202@tmp /dev/vda1 50.0G 6.2G 43.8G 12% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 597 76 0 1164 1135 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) 01/21/20 _x86_64_ (4 CPU) 21:24:35 LINUX RESTART 21:25:02 tps rtps wtps bread/s bwrtn/s 21:26:01 78.12 36.19 41.93 4872.29 9512.24 21:27:01 20.17 1.33 18.84 79.73 1838.75 21:28:01 2.78 0.02 2.76 0.53 77.69 21:29:01 0.62 0.00 0.62 0.00 5.86 21:30:01 0.57 0.00 0.57 0.00 6.26 21:31:01 0.72 0.00 0.72 0.00 7.99 21:32:02 0.58 0.00 0.58 0.00 6.33 21:33:01 0.51 0.07 0.44 25.33 8.79 21:34:01 0.52 0.00 0.52 0.00 9.44 21:35:01 66.48 50.32 16.16 3400.17 7794.18 Average: 17.07 8.78 8.29 834.51 1921.46 21:25:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:26:01 109388 1772916 94.19 2620 1228720 1057740 36.09 429924 1184100 48772 21:27:01 104756 1777548 94.43 2620 1231700 996072 33.99 435928 1181556 8 21:28:01 116696 1765608 93.80 2620 1231756 916092 31.26 427840 1179728 20 21:29:01 116516 1765788 93.81 2620 1231704 916152 31.26 429184 1178732 8 21:30:01 118824 1763480 93.69 2620 1231712 900648 30.73 427556 1178408 8 21:31:01 120176 1762128 93.62 2620 1231716 887344 30.28 426764 1178268 8 21:32:02 119512 1762792 93.65 2620 1231720 887552 30.28 427740 1178264 8 21:33:01 114848 1767456 93.90 2620 1232572 899508 30.69 430556 1179080 8 21:34:01 115692 1766612 93.85 2620 1232580 899440 30.69 429892 1179080 16 21:35:01 74736 1807568 96.03 2620 1219096 1089080 37.16 447204 1182608 60704 Average: 111114 1771190 94.10 2620 1230328 944963 32.24 431259 1179982 10956 21:25:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:26:01 veth23d3192 0.00 0.27 0.00 0.02 0.00 0.00 0.00 21:26:01 eth0 209.98 169.20 1015.32 74.18 0.00 0.00 0.00 21:26:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 21:26:01 docker0 0.00 0.13 0.00 0.01 0.00 0.00 0.00 21:27:01 eth0 18.94 14.98 20.91 19.05 0.00 0.00 0.00 21:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 docker0 2.80 2.15 0.57 7.18 0.00 0.00 0.00 21:28:01 eth0 2.75 0.67 0.90 0.40 0.00 0.00 0.00 21:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:29:01 eth0 1.32 0.62 0.58 0.43 0.00 0.00 0.00 21:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 eth0 0.52 0.30 0.27 0.20 0.00 0.00 0.00 21:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:31:01 eth0 0.33 0.20 0.14 0.07 0.00 0.00 0.00 21:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:32:02 eth0 0.52 0.38 0.27 0.20 0.00 0.00 0.00 21:32:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:32:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:33:01 eth0 6.11 3.69 5.42 2.38 0.00 0.00 0.00 21:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:34:01 eth0 1.23 0.73 0.89 0.46 0.00 0.00 0.00 21:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:35:01 eth0 84.61 65.09 2109.84 9.29 0.00 0.00 0.00 21:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 29.65 24.39 311.52 10.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.28 0.23 0.06 0.72 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) 01/21/20 _x86_64_ (4 CPU) 21:24:35 LINUX RESTART 21:25:02 CPU %user %nice %system %iowait %steal %idle 21:26:01 all 13.74 0.00 6.82 2.89 28.66 47.88 21:26:01 0 11.00 0.00 6.53 2.26 31.68 48.52 21:26:01 1 14.17 0.00 7.33 3.68 27.48 47.34 21:26:01 2 16.38 0.00 6.25 2.40 28.27 46.70 21:26:01 3 13.49 0.00 7.22 3.25 27.12 48.92 21:27:01 all 1.63 0.00 1.08 0.05 7.28 89.96 21:27:01 0 1.21 0.00 1.03 0.02 7.93 89.80 21:27:01 1 2.13 0.00 1.25 0.05 7.64 88.93 21:27:01 2 1.65 0.00 0.87 0.08 6.70 90.70 21:27:01 3 1.50 0.00 1.17 0.05 6.84 90.44 21:28:01 all 0.15 0.00 0.07 0.00 0.49 99.28 21:28:01 0 0.05 0.00 0.10 0.00 0.43 99.42 21:28:01 1 0.30 0.00 0.07 0.00 0.68 98.95 21:28:01 2 0.12 0.00 0.07 0.00 0.73 99.09 21:28:01 3 0.12 0.00 0.07 0.00 0.15 99.67 21:29:01 all 0.11 0.00 0.05 0.00 0.12 99.71 21:29:01 0 0.03 0.00 0.03 0.00 0.12 99.82 21:29:01 1 0.32 0.00 0.05 0.00 0.10 99.53 21:29:01 2 0.05 0.00 0.10 0.00 0.13 99.72 21:29:01 3 0.03 0.00 0.03 0.00 0.10 99.83 21:30:01 all 0.15 0.00 0.05 0.00 0.18 99.61 21:30:01 0 0.03 0.00 0.03 0.00 0.08 99.85 21:30:01 1 0.45 0.00 0.07 0.00 0.30 99.18 21:30:01 2 0.05 0.00 0.08 0.00 0.13 99.73 21:30:01 3 0.10 0.00 0.03 0.00 0.20 99.67 21:31:01 all 0.10 0.00 0.05 0.00 0.61 99.24 21:31:01 0 0.03 0.00 0.03 0.00 1.09 98.84 21:31:01 1 0.27 0.00 0.05 0.00 0.63 99.05 21:31:01 2 0.07 0.00 0.07 0.00 0.45 99.42 21:31:01 3 0.03 0.00 0.03 0.00 0.25 99.68 21:32:02 all 0.11 0.00 0.05 0.00 0.23 99.61 21:32:02 0 0.05 0.00 0.03 0.00 0.12 99.80 21:32:02 1 0.27 0.00 0.05 0.00 0.33 99.35 21:32:02 2 0.10 0.00 0.07 0.00 0.18 99.65 21:32:02 3 0.05 0.00 0.05 0.00 0.30 99.60 21:33:01 all 0.15 0.00 0.07 0.00 0.53 99.24 21:33:01 0 0.07 0.00 0.03 0.00 0.73 99.17 21:33:01 1 0.27 0.00 0.12 0.02 0.41 99.19 21:33:01 2 0.08 0.00 0.05 0.00 0.59 99.27 21:33:01 3 0.17 0.00 0.07 0.00 0.39 99.37 21:34:01 all 0.15 0.00 0.05 0.00 0.15 99.65 21:34:01 0 0.08 0.00 0.03 0.00 0.15 99.73 21:34:01 1 0.30 0.00 0.07 0.00 0.20 99.43 21:34:01 2 0.02 0.00 0.05 0.00 0.13 99.80 21:34:01 3 0.18 0.00 0.07 0.00 0.12 99.63 21:35:01 all 1.90 0.00 1.24 2.08 6.41 88.37 21:35:01 0 1.56 0.00 1.18 0.13 6.85 90.28 21:35:01 1 2.47 0.00 1.53 3.39 6.19 86.42 21:35:01 2 1.24 0.00 1.11 1.98 6.02 89.64 21:35:01 3 2.36 0.00 1.14 2.86 6.55 87.09 Average: all 1.88 0.00 0.99 0.52 4.60 92.01 Average: 0 1.48 0.00 0.95 0.26 5.13 92.18 Average: 1 2.13 0.00 1.08 0.72 4.48 91.58 Average: 2 2.05 0.00 0.90 0.46 4.47 92.11 Average: 3 1.86 0.00 1.02 0.63 4.32 92.18