---> uname -a: Linux bb4d4df9e12b 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 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 732 85 0 1020 1043 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) 02/11/20 _x86_64_ (4 CPU) 02:55:54 LINUX RESTART 02:57:01 tps rtps wtps bread/s bwrtn/s 02:58:01 11.82 0.00 11.82 0.00 2642.40 02:59:01 0.38 0.00 0.38 0.00 6.05 03:00:01 0.27 0.00 0.27 0.00 3.88 03:01:01 0.28 0.02 0.27 0.13 2.96 03:02:01 32.05 2.98 29.07 390.14 15879.04 03:03:01 339.66 147.65 192.01 5889.31 44273.46 Average: 64.09 25.11 38.98 1046.83 10470.21 02:57:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:58:01 121048 1761256 93.57 2620 1241960 901636 30.76 413268 1190328 20 02:59:01 120252 1762052 93.61 2620 1241964 901792 30.77 414528 1190024 20 03:00:01 119924 1762380 93.63 2620 1241972 901840 30.77 414928 1190024 8 03:01:01 120096 1762208 93.62 2620 1241972 904112 30.85 414576 1190024 12 03:02:01 74200 1808104 96.06 2620 1227276 1116504 38.09 539352 1086616 83796 03:03:01 82652 1799652 95.61 2620 1020332 1019316 34.78 643828 858840 84408 Average: 106362 1775942 94.35 2620 1202579 957533 32.67 473413 1117643 28044 02:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:58:01 eth0 0.75 0.08 0.06 0.02 0.00 0.00 0.00 02:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:59:01 eth0 3.17 1.78 2.31 0.27 0.00 0.00 0.00 02:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:01 eth0 0.52 0.38 0.27 0.23 0.00 0.00 0.00 03:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:01:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 03:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:02:01 eth0 131.98 108.37 3468.44 10.65 0.00 0.00 0.00 03:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:03:01 veth6d4525c 53.00 81.42 3.55 239.10 0.00 0.00 0.00 03:03:01 eth0 1735.75 1309.31 8325.46 225.67 0.00 0.00 0.00 03:03:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 03:03:01 docker0 69.56 94.47 4.84 282.41 0.00 0.00 0.00 Average: veth6d4525c 8.83 13.57 0.59 39.86 0.00 0.00 0.00 Average: eth0 289.36 218.27 1387.89 37.62 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.60 15.75 0.81 47.08 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) 02/11/20 _x86_64_ (4 CPU) 02:55:54 LINUX RESTART 02:57:01 CPU %user %nice %system %iowait %steal %idle 02:58:01 all 0.19 0.00 0.08 0.00 0.00 99.72 02:58:01 0 0.03 0.00 0.05 0.00 0.00 99.92 02:58:01 1 0.15 0.00 0.12 0.00 0.00 99.73 02:58:01 2 0.07 0.00 0.05 0.00 0.00 99.88 02:58:01 3 0.52 0.00 0.10 0.00 0.00 99.38 02:59:01 all 0.20 0.00 0.05 0.00 0.00 99.75 02:59:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:59:01 1 0.12 0.00 0.07 0.00 0.00 99.82 02:59:01 2 0.12 0.00 0.05 0.00 0.02 99.82 02:59:01 3 0.57 0.00 0.05 0.00 0.00 99.38 03:00:01 all 0.18 0.00 0.04 0.00 0.00 99.78 03:00:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:00:01 1 0.27 0.00 0.03 0.00 0.00 99.70 03:00:01 2 0.05 0.00 0.05 0.00 0.00 99.90 03:00:01 3 0.33 0.00 0.02 0.00 0.00 99.65 03:01:01 all 0.18 0.00 0.05 0.00 0.00 99.77 03:01:01 0 0.03 0.00 0.03 0.02 0.00 99.92 03:01:01 1 0.05 0.00 0.05 0.00 0.00 99.90 03:01:01 2 0.08 0.00 0.05 0.00 0.00 99.87 03:01:01 3 0.55 0.00 0.05 0.00 0.00 99.40 03:02:01 all 3.63 0.00 1.71 0.07 0.01 94.59 03:02:01 0 3.31 0.00 1.72 0.03 0.02 94.91 03:02:01 1 3.44 0.00 1.90 0.10 0.03 94.52 03:02:01 2 3.73 0.00 1.60 0.02 0.00 94.65 03:02:01 3 4.03 0.00 1.62 0.12 0.02 94.22 03:03:01 all 13.86 0.00 7.39 3.16 0.04 75.55 03:03:01 0 13.26 0.00 7.60 1.85 0.03 77.26 03:03:01 1 12.88 0.00 6.90 2.58 0.05 77.59 03:03:01 2 16.31 0.00 7.32 6.54 0.03 69.80 03:03:01 3 12.98 0.00 7.76 1.66 0.03 77.56 Average: all 3.00 0.00 1.53 0.53 0.01 94.92 Average: 0 2.74 0.00 1.56 0.31 0.01 95.39 Average: 1 2.79 0.00 1.50 0.44 0.01 95.26 Average: 2 3.36 0.00 1.50 1.08 0.01 94.05 Average: 3 3.13 0.00 1.58 0.29 0.01 94.99