---> uname -a: Linux 14822fa08948 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% /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 725 75 0 1036 1045 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) 03/31/20 _x86_64_ (4 CPU) 14:50:42 LINUX RESTART 14:51:01 tps rtps wtps bread/s bwrtn/s 14:52:01 102.36 36.81 65.55 4825.96 30224.63 14:53:01 3.76 0.00 3.76 0.00 119.70 14:54:01 0.28 0.00 0.28 0.00 3.61 14:55:01 0.32 0.00 0.32 0.00 3.38 14:56:01 0.18 0.00 0.18 0.00 3.10 14:57:02 310.91 126.84 184.07 4989.79 55607.41 14:58:01 157.71 78.42 79.29 5258.42 24343.48 Average: 82.19 34.54 47.65 2148.28 15764.15 14:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:52:01 110076 1772228 94.15 2620 1211304 948168 32.35 431672 1180548 16 14:53:01 120140 1762164 93.62 2620 1211340 903336 30.82 428580 1176748 16 14:54:01 119068 1763236 93.67 2620 1211344 903540 30.83 429852 1176732 8 14:55:01 118632 1763672 93.70 2620 1211344 903600 30.83 430208 1176732 8 14:56:01 120548 1761756 93.60 2620 1211356 903336 30.82 428792 1176732 8 14:57:02 97368 1784936 94.83 2620 1086044 997292 34.03 502744 998600 25744 14:58:01 117688 1764616 93.75 2168 1059144 1006800 34.35 560664 912072 54292 Average: 114789 1767515 93.90 2555 1171697 938010 32.00 458930 1114023 11442 14:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:52:01 eth0 398.84 271.89 999.18 86.46 0.00 0.00 0.00 14:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:52:01 docker0 1.20 1.00 0.27 2.24 0.00 0.00 0.00 14:53:01 eth0 0.82 0.07 0.06 0.04 0.00 0.00 0.00 14:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:54:01 eth0 1.00 0.53 0.31 0.18 0.00 0.00 0.00 14:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:55:01 eth0 0.52 0.48 0.27 0.24 0.00 0.00 0.00 14:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 14:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:02 eth0 300.83 248.51 6716.36 33.34 0.00 0.00 0.00 14:57:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:02 docker0 18.67 14.36 2.12 43.22 0.00 0.00 0.00 14:58:01 eth0 220.43 187.51 2683.89 105.39 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 46.71 47.45 3.19 257.66 0.00 0.00 0.00 14:58:01 veth356a981 0.00 0.05 0.00 0.00 0.00 0.00 0.00 Average: eth0 131.71 101.21 1486.20 32.07 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.43 8.89 0.79 42.81 0.00 0.00 0.00 Average: veth356a981 0.00 0.01 0.00 0.00 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) 03/31/20 _x86_64_ (4 CPU) 14:50:42 LINUX RESTART 14:51:01 CPU %user %nice %system %iowait %steal %idle 14:52:01 all 14.19 0.00 6.67 5.42 0.59 73.13 14:52:01 0 12.76 0.00 7.92 4.29 0.56 74.47 14:52:01 1 12.29 0.00 5.98 3.69 0.66 77.38 14:52:01 2 15.47 0.00 6.16 9.41 0.59 68.37 14:52:01 3 16.26 0.00 6.64 4.29 0.53 72.29 14:53:01 all 0.19 0.00 0.07 0.00 0.03 99.71 14:53:01 0 0.07 0.00 0.05 0.00 0.02 99.87 14:53:01 1 0.42 0.00 0.10 0.00 0.02 99.47 14:53:01 2 0.08 0.00 0.07 0.00 0.03 99.82 14:53:01 3 0.17 0.00 0.07 0.00 0.05 99.72 14:54:01 all 0.18 0.00 0.05 0.00 0.02 99.76 14:54:01 0 0.07 0.00 0.07 0.00 0.02 99.85 14:54:01 1 0.52 0.00 0.03 0.00 0.00 99.45 14:54:01 2 0.08 0.00 0.05 0.00 0.02 99.85 14:54:01 3 0.03 0.00 0.03 0.00 0.02 99.92 14:55:01 all 0.15 0.00 0.05 0.00 0.05 99.75 14:55:01 0 0.03 0.00 0.03 0.00 0.05 99.88 14:55:01 1 0.05 0.00 0.05 0.00 0.08 99.82 14:55:01 2 0.03 0.00 0.07 0.00 0.03 99.87 14:55:01 3 0.50 0.00 0.05 0.00 0.07 99.38 14:56:01 all 0.12 0.00 0.03 0.00 0.06 99.79 14:56:01 0 0.05 0.00 0.02 0.00 0.07 99.87 14:56:01 1 0.05 0.00 0.03 0.00 0.05 99.87 14:56:01 2 0.08 0.00 0.03 0.00 0.07 99.82 14:56:01 3 0.28 0.00 0.05 0.00 0.03 99.63 14:57:02 all 15.14 0.00 9.92 2.98 0.82 71.14 14:57:02 0 15.29 0.00 11.27 2.89 0.72 69.83 14:57:02 1 14.81 0.00 10.73 2.41 0.82 71.23 14:57:02 2 14.69 0.00 8.69 4.41 0.87 71.34 14:57:02 3 15.76 0.00 8.99 2.20 0.86 72.18 14:58:01 all 10.42 0.00 6.03 2.16 0.60 80.79 14:58:01 0 8.59 0.00 6.24 0.83 0.47 83.87 14:58:01 1 11.46 0.00 5.22 3.21 0.67 79.44 14:58:01 2 12.81 0.00 6.64 3.27 0.67 76.61 14:58:01 3 8.80 0.00 6.05 1.35 0.59 83.22 Average: all 5.68 0.00 3.21 1.49 0.30 89.31 Average: 0 5.18 0.00 3.59 1.13 0.27 89.83 Average: 1 5.57 0.00 3.12 1.31 0.33 89.67 Average: 2 6.09 0.00 3.06 2.41 0.32 88.12 Average: 3 5.88 0.00 3.07 1.10 0.30 89.64