---> uname -a: Linux 911ccf1896ec 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: 2933.436 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 4096K L3 cache: 16384K NUMA node0 CPU(s): 0-3 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 7.5G 42.5G 15% / 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 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-bootstrap_master /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/xfoundry_go-mod-bootstrap_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 736 102 0 998 1036 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 16: eth0@if17: 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) 01/07/20 _x86_64_ (4 CPU) 20:14:26 LINUX RESTART 20:15:01 tps rtps wtps bread/s bwrtn/s 20:16:01 37.98 9.02 28.95 2021.58 2103.58 20:17:01 2.48 0.00 2.48 0.00 88.39 20:18:01 0.28 0.00 0.28 0.00 3.35 20:19:01 0.30 0.00 0.30 0.00 3.76 20:20:01 0.20 0.00 0.20 0.00 2.61 20:21:01 0.35 0.00 0.35 0.00 4.70 20:22:01 191.26 105.78 85.48 4184.05 30377.13 20:23:01 200.45 70.62 129.83 3314.48 34921.55 Average: 54.19 23.19 31.00 1190.48 8442.37 20:15:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:16:01 107404 1774900 94.29 2620 1232784 958328 32.70 432556 1184228 16 20:17:01 116012 1766292 93.84 2620 1232848 911384 31.10 425776 1183724 32 20:18:01 114992 1767312 93.89 2620 1232796 911576 31.10 426840 1183708 20 20:19:01 115584 1766720 93.86 2620 1232796 911384 31.10 425840 1183704 20 20:20:01 115752 1766552 93.85 2620 1232804 911444 31.10 426040 1183704 16 20:21:01 115824 1766480 93.85 2620 1232808 911444 31.10 426076 1183704 8 20:22:01 78000 1804304 95.86 2620 1120640 1180256 40.27 535460 1056904 20528 20:23:01 228812 1653492 87.84 2620 938904 1041444 35.53 532504 833072 112 Average: 124048 1758257 93.41 2620 1182048 967158 33.00 453887 1124094 2594 20:15:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:16:01 eth0 130.75 99.60 454.53 47.19 0.00 0.00 0.00 20:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:16:01 docker0 0.77 0.65 0.12 0.88 0.00 0.00 0.00 20:17:01 eth0 0.72 0.08 0.06 0.01 0.00 0.00 0.00 20:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:18:01 eth0 1.28 0.60 0.56 0.39 0.00 0.00 0.00 20:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:19:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 20:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 eth0 0.22 0.15 0.08 0.04 0.00 0.00 0.00 20:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:21:01 eth0 0.17 0.13 0.07 0.04 0.00 0.00 0.00 20:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:22:01 eth0 382.15 312.42 4570.39 33.31 0.00 0.00 0.00 20:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:22:01 vethf80d338 170.02 211.95 15.17 1084.44 0.00 0.00 0.00 20:22:01 docker0 170.78 212.47 12.97 1085.31 0.00 0.00 0.00 20:23:01 vethf6cd4f6 1.33 1.08 0.22 0.18 0.00 0.00 0.00 20:23:01 eth0 1054.16 797.29 9321.85 205.99 0.00 0.00 0.00 20:23:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 20:23:01 docker0 34.56 37.14 1.97 221.33 0.00 0.00 0.00 Average: vethf6cd4f6 0.17 0.14 0.03 0.02 0.00 0.00 0.00 Average: eth0 131.87 99.74 1166.10 25.77 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 25.68 31.21 1.87 163.38 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) 01/07/20 _x86_64_ (4 CPU) 20:14:26 LINUX RESTART 20:15:01 CPU %user %nice %system %iowait %steal %idle 20:16:01 all 3.65 0.00 1.65 1.02 0.13 93.55 20:16:01 0 3.66 0.00 1.82 1.11 0.13 93.28 20:16:01 1 3.91 0.00 1.56 0.20 0.12 94.21 20:16:01 2 3.32 0.00 1.59 1.24 0.12 93.72 20:16:01 3 3.73 0.00 1.65 1.51 0.12 93.00 20:17:01 all 0.18 0.00 0.06 0.00 0.03 99.73 20:17:01 0 0.05 0.00 0.05 0.00 0.00 99.90 20:17:01 1 0.52 0.00 0.08 0.00 0.03 99.37 20:17:01 2 0.07 0.00 0.03 0.00 0.07 99.83 20:17:01 3 0.07 0.00 0.08 0.00 0.02 99.83 20:18:01 all 0.18 0.00 0.05 0.00 0.01 99.76 20:18:01 0 0.05 0.00 0.03 0.00 0.02 99.90 20:18:01 1 0.55 0.00 0.03 0.00 0.00 99.42 20:18:01 2 0.07 0.00 0.07 0.00 0.02 99.85 20:18:01 3 0.07 0.00 0.05 0.00 0.02 99.87 20:19:01 all 0.18 0.00 0.05 0.00 0.03 99.75 20:19:01 0 0.05 0.00 0.03 0.00 0.02 99.90 20:19:01 1 0.33 0.00 0.07 0.00 0.03 99.57 20:19:01 2 0.27 0.00 0.05 0.00 0.05 99.63 20:19:01 3 0.07 0.00 0.05 0.00 0.00 99.88 20:20:01 all 0.09 0.00 0.06 0.00 0.03 99.82 20:20:01 0 0.03 0.00 0.05 0.00 0.02 99.90 20:20:01 1 0.07 0.00 0.05 0.00 0.03 99.85 20:20:01 2 0.23 0.00 0.08 0.00 0.03 99.65 20:20:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:21:01 all 0.15 0.00 0.05 0.00 0.02 99.78 20:21:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:21:01 1 0.05 0.00 0.05 0.00 0.03 99.87 20:21:01 2 0.48 0.00 0.08 0.00 0.02 99.42 20:21:01 3 0.05 0.00 0.05 0.00 0.03 99.87 20:22:01 all 10.58 0.00 5.66 1.96 0.26 81.55 20:22:01 0 9.98 0.00 5.85 1.30 0.20 82.67 20:22:01 1 10.87 0.00 5.37 3.04 0.32 80.40 20:22:01 2 10.83 0.00 6.03 2.19 0.22 80.73 20:22:01 3 10.61 0.00 5.37 1.33 0.29 82.41 20:23:01 all 13.29 0.00 7.97 1.58 0.76 76.41 20:23:01 0 12.29 0.00 7.91 3.26 0.82 75.72 20:23:01 1 12.12 0.00 7.89 0.94 0.85 78.20 20:23:01 2 16.58 0.00 8.25 1.43 0.73 73.00 20:23:01 3 12.15 0.00 7.85 0.68 0.62 78.70 Average: all 3.49 0.00 1.92 0.56 0.15 93.88 Average: 0 3.22 0.00 1.94 0.70 0.15 93.99 Average: 1 3.51 0.00 1.86 0.52 0.18 93.93 Average: 2 3.93 0.00 2.00 0.60 0.16 93.32 Average: 3 3.30 0.00 1.86 0.44 0.13 94.27