---> uname -a: Linux 782a1bc9d7dc 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: 2933.442 BogoMIPS: 5866.88 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@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1838 735 83 0 1019 1040 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) 01/31/20 _x86_64_ (4 CPU) 18:47:48 LINUX RESTART 18:48:01 tps rtps wtps bread/s bwrtn/s 18:49:01 173.77 99.13 74.64 7963.92 37170.81 18:50:01 9.46 0.00 9.46 0.00 1694.95 18:51:01 0.25 0.00 0.25 0.00 3.65 18:52:01 0.28 0.00 0.28 0.00 3.20 18:53:01 0.23 0.00 0.23 0.00 3.55 18:54:02 0.37 0.00 0.37 0.00 4.50 18:55:01 168.28 104.74 63.54 3957.73 26637.24 18:56:01 226.38 91.20 135.19 5222.77 34051.12 Average: 72.20 36.75 35.45 2140.08 12420.72 18:48:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:49:01 116556 1765748 93.81 2620 1228932 949948 32.41 425912 1182096 47520 18:50:01 121836 1760468 93.53 2620 1229060 905936 30.91 422008 1181264 16 18:51:01 120528 1761776 93.60 2620 1229064 906212 30.92 423604 1181248 8 18:52:01 121040 1761264 93.57 2620 1229064 906044 30.91 423644 1180232 8 18:53:01 122032 1760272 93.52 2620 1229072 905936 30.91 423064 1180232 8 18:54:02 121588 1760716 93.54 2620 1229076 906020 30.91 423520 1180232 8 18:55:01 75004 1807300 96.02 2620 1163924 1170672 39.94 467628 1147316 48696 18:56:01 173384 1708920 90.79 2604 991076 972248 33.17 541488 878652 128 Average: 121496 1760808 93.55 2618 1191159 952877 32.51 443859 1138909 12049 18:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:49:01 eth0 456.75 294.71 982.28 87.54 0.00 0.00 0.00 18:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 docker0 0.77 0.85 0.16 1.15 0.00 0.00 0.00 18:50:01 eth0 0.88 0.08 0.07 0.03 0.00 0.00 0.00 18:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 eth0 0.88 0.50 0.30 0.18 0.00 0.00 0.00 18:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 eth0 0.53 0.35 0.27 0.23 0.00 0.00 0.00 18:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 18:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:02 eth0 0.48 0.42 0.30 0.09 0.00 0.00 0.00 18:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:55:01 vetha944220 3.96 2.93 0.54 2.09 0.00 0.00 0.00 18:55:01 eth0 640.39 441.15 4585.90 107.97 0.00 0.00 0.00 18:55:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 18:55:01 docker0 4.74 3.69 0.65 3.25 0.00 0.00 0.00 18:56:01 eth0 259.84 216.38 3786.21 84.69 0.00 0.00 0.00 18:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 docker0 38.58 39.48 2.83 261.78 0.00 0.00 0.00 Average: eth0 108.65 79.58 1034.26 23.75 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.42 5.40 0.44 33.20 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) 01/31/20 _x86_64_ (4 CPU) 18:47:48 LINUX RESTART 18:48:01 CPU %user %nice %system %iowait %steal %idle 18:49:01 all 13.63 0.00 7.67 9.22 0.03 69.47 18:49:01 0 12.94 0.00 8.48 9.09 0.03 69.45 18:49:01 1 13.00 0.00 7.96 9.45 0.03 69.55 18:49:01 2 14.75 0.00 6.83 7.79 0.02 70.62 18:49:01 3 13.81 0.00 7.41 10.53 0.02 68.24 18:50:01 all 0.18 0.00 0.10 0.00 0.00 99.71 18:50:01 0 0.57 0.00 0.05 0.00 0.00 99.38 18:50:01 1 0.05 0.00 0.08 0.00 0.00 99.87 18:50:01 2 0.08 0.00 0.08 0.00 0.00 99.83 18:50:01 3 0.03 0.00 0.18 0.00 0.00 99.78 18:51:01 all 0.19 0.00 0.05 0.00 0.00 99.76 18:51:01 0 0.57 0.00 0.07 0.00 0.00 99.37 18:51:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:51:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:51:01 3 0.08 0.00 0.05 0.00 0.00 99.87 18:52:01 all 0.16 0.00 0.04 0.00 0.00 99.80 18:52:01 0 0.50 0.00 0.03 0.00 0.00 99.47 18:52:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:52:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:52:01 3 0.03 0.00 0.02 0.00 0.00 99.95 18:53:01 all 0.19 0.00 0.05 0.00 0.00 99.77 18:53:01 0 0.15 0.00 0.07 0.00 0.00 99.78 18:53:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:53:01 2 0.05 0.00 0.05 0.00 0.00 99.90 18:53:01 3 0.48 0.00 0.05 0.00 0.00 99.47 18:54:02 all 0.16 0.00 0.05 0.00 0.00 99.79 18:54:02 0 0.03 0.00 0.03 0.00 0.00 99.93 18:54:02 1 0.03 0.00 0.05 0.00 0.00 99.92 18:54:02 2 0.03 0.00 0.05 0.00 0.00 99.92 18:54:02 3 0.53 0.00 0.05 0.00 0.00 99.42 18:55:01 all 6.61 0.00 3.73 1.15 0.03 88.49 18:55:01 0 6.75 0.00 3.89 0.75 0.03 88.57 18:55:01 1 6.15 0.00 3.49 1.83 0.02 88.52 18:55:01 2 6.17 0.00 3.54 1.07 0.02 89.20 18:55:01 3 7.35 0.00 4.03 0.92 0.03 87.67 18:56:01 all 13.29 0.00 8.30 3.18 0.03 75.21 18:56:01 0 15.49 0.00 8.60 4.01 0.02 71.89 18:56:01 1 12.46 0.00 8.16 3.01 0.03 76.34 18:56:01 2 13.43 0.00 8.00 2.11 0.02 76.44 18:56:01 3 11.79 0.00 8.42 3.60 0.03 76.16 Average: all 4.26 0.00 2.48 1.68 0.01 91.57 Average: 0 4.58 0.00 2.63 1.72 0.01 91.06 Average: 1 3.95 0.00 2.46 1.78 0.01 91.80 Average: 2 4.30 0.00 2.31 1.36 0.01 92.02 Average: 3 4.22 0.00 2.50 1.87 0.01 91.40