---> uname -a: Linux 47d352cb8531 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: 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 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1838 729 82 0 1026 1042 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) 04/29/20 _x86_64_ (4 CPU) 23:40:43 LINUX RESTART 23:41:01 tps rtps wtps bread/s bwrtn/s 23:42:01 104.61 41.11 63.50 4993.78 29252.90 23:43:01 3.90 0.00 3.90 0.00 116.34 23:44:01 0.68 0.00 0.68 0.00 8.94 23:45:01 0.28 0.00 0.28 0.00 5.81 23:46:01 0.25 0.00 0.25 0.00 3.46 23:47:02 327.00 128.24 198.76 5376.60 55779.05 Average: 73.12 28.36 44.76 1733.64 14250.69 23:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:42:01 112984 1769320 94.00 2620 1227716 946908 32.31 437904 1166052 20 23:43:01 122944 1759360 93.47 2620 1227832 903048 30.81 431664 1165608 8 23:44:01 121348 1760956 93.55 2620 1227844 903340 30.82 433040 1165596 8 23:45:01 121192 1761112 93.56 2620 1227844 903376 30.82 433404 1165592 12 23:46:01 122372 1759932 93.50 2620 1227852 903184 30.82 432272 1165592 8 23:47:02 70740 1811564 96.24 2620 1111232 983660 33.56 526064 1006516 49576 Average: 111930 1770374 94.05 2620 1208387 923919 31.52 449058 1139159 8272 23:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:42:01 eth0 405.92 245.17 1005.12 87.21 0.00 0.00 0.00 23:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:01 docker0 1.11 1.05 0.29 2.41 0.00 0.00 0.00 23:43:01 eth0 0.88 0.08 0.07 0.01 0.00 0.00 0.00 23:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:44:01 eth0 0.80 0.37 0.30 0.20 0.00 0.00 0.00 23:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:01 eth0 1.30 0.85 0.98 0.67 0.00 0.00 0.00 23:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 eth0 0.42 0.42 0.29 0.03 0.00 0.00 0.00 23:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:02 vethc858a98 2.13 1.55 0.15 0.28 0.00 0.00 0.00 23:47:02 eth0 712.51 480.96 7733.50 123.10 0.00 0.00 0.00 23:47:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 23:47:02 docker0 15.28 15.58 1.88 42.25 0.00 0.00 0.00 Average: vethc858a98 0.36 0.26 0.03 0.05 0.00 0.00 0.00 Average: eth0 119.50 80.67 1297.06 20.65 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.56 2.61 0.31 7.09 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) 04/29/20 _x86_64_ (4 CPU) 23:40:43 LINUX RESTART 23:41:01 CPU %user %nice %system %iowait %steal %idle 23:42:01 all 13.81 0.00 6.94 2.37 0.97 75.91 23:42:01 0 13.65 0.00 8.33 0.98 0.81 76.22 23:42:01 1 12.69 0.00 6.58 4.02 1.13 75.58 23:42:01 2 13.38 0.00 7.21 3.28 1.06 75.07 23:42:01 3 15.55 0.00 5.59 1.20 0.86 76.79 23:43:01 all 0.17 0.00 0.08 0.00 0.12 99.63 23:43:01 0 0.03 0.00 0.03 0.00 0.10 99.83 23:43:01 1 0.08 0.00 0.08 0.00 0.07 99.77 23:43:01 2 0.08 0.00 0.13 0.00 0.25 99.53 23:43:01 3 0.47 0.00 0.08 0.00 0.10 99.35 23:44:01 all 0.20 0.00 0.05 0.00 0.02 99.73 23:44:01 0 0.05 0.00 0.05 0.00 0.02 99.88 23:44:01 1 0.10 0.00 0.05 0.00 0.03 99.82 23:44:01 2 0.07 0.00 0.05 0.00 0.02 99.87 23:44:01 3 0.57 0.00 0.05 0.00 0.02 99.37 23:45:01 all 0.18 0.00 0.07 0.00 0.03 99.71 23:45:01 0 0.07 0.00 0.10 0.00 0.05 99.78 23:45:01 1 0.08 0.00 0.05 0.00 0.03 99.83 23:45:01 2 0.08 0.00 0.05 0.00 0.02 99.85 23:45:01 3 0.50 0.00 0.08 0.00 0.03 99.38 23:46:01 all 0.13 0.00 0.05 0.00 0.02 99.80 23:46:01 0 0.08 0.00 0.07 0.00 0.00 99.85 23:46:01 1 0.05 0.00 0.02 0.00 0.02 99.92 23:46:01 2 0.07 0.00 0.07 0.00 0.03 99.83 23:46:01 3 0.33 0.00 0.07 0.00 0.03 99.57 23:47:02 all 15.56 0.00 9.86 3.10 1.57 69.91 23:47:02 0 14.91 0.00 11.42 3.93 1.62 68.12 23:47:02 1 15.35 0.00 9.98 2.66 1.48 70.53 23:47:02 2 16.22 0.00 9.45 1.98 1.54 70.81 23:47:02 3 15.75 0.00 8.59 3.86 1.62 70.18 Average: all 4.94 0.00 2.80 0.90 0.45 90.90 Average: 0 4.73 0.00 3.29 0.81 0.43 90.75 Average: 1 4.67 0.00 2.76 1.10 0.46 91.02 Average: 2 4.92 0.00 2.79 0.87 0.48 90.95 Average: 3 5.46 0.00 2.38 0.83 0.44 90.89