---> uname -a: Linux 181bba0bd367 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 /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 763 82 0 992 1015 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) 04/16/20 _x86_64_ (4 CPU) 15:00:40 LINUX RESTART 15:01:01 tps rtps wtps bread/s bwrtn/s 15:02:01 77.80 32.83 44.97 4854.12 8459.80 15:03:01 4.48 0.00 4.48 0.00 131.01 15:04:01 0.30 0.00 0.30 0.00 4.03 15:05:01 0.25 0.00 0.25 0.00 2.83 15:06:01 0.87 0.52 0.35 161.70 12.52 15:07:01 342.78 141.33 201.45 5781.76 61530.89 Average: 71.09 29.12 41.98 1793.54 11702.23 15:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:02:01 102840 1779464 94.54 2620 1230580 950700 32.44 442796 1171032 404 15:03:01 113728 1768576 93.96 2620 1230616 900444 30.72 435240 1171100 12 15:04:01 112372 1769932 94.03 2620 1230620 900692 30.73 436452 1171088 12 15:05:01 111884 1770420 94.06 2620 1230624 900728 30.73 436656 1171088 16 15:06:01 98384 1783920 94.77 2620 1225884 981256 33.48 444420 1167076 84564 15:07:01 255296 1627008 86.44 2620 929240 920692 31.41 542664 804416 104 Average: 132417 1749887 92.97 2620 1179594 925752 31.59 456371 1109300 14185 15:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:02:01 eth0 676.45 356.14 1038.22 96.00 0.00 0.00 0.00 15:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 docker0 1.35 1.20 0.30 2.42 0.00 0.00 0.00 15:03:01 eth0 0.90 0.08 0.07 0.01 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 eth0 2.00 1.03 1.05 0.25 0.00 0.00 0.00 15:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 eth0 0.52 0.38 0.27 0.20 0.00 0.00 0.00 15:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 eth0 64.10 52.98 1412.46 5.66 0.00 0.00 0.00 15:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 eth0 355.29 267.41 5594.19 38.12 0.00 0.00 0.00 15:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 docker0 78.08 108.34 5.27 297.14 0.00 0.00 0.00 Average: eth0 182.19 112.51 1342.20 23.22 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.27 18.30 0.93 50.05 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) 04/16/20 _x86_64_ (4 CPU) 15:00:40 LINUX RESTART 15:01:01 CPU %user %nice %system %iowait %steal %idle 15:02:01 all 12.13 0.00 4.58 2.27 0.01 81.01 15:02:01 0 12.37 0.00 5.23 4.31 0.03 78.05 15:02:01 1 12.30 0.00 4.42 1.07 0.00 82.21 15:02:01 2 10.41 0.00 4.08 1.72 0.02 83.78 15:02:01 3 13.46 0.00 4.57 1.94 0.00 80.03 15:03:01 all 0.05 0.00 0.06 0.00 0.00 99.89 15:03:01 0 0.03 0.00 0.05 0.00 0.00 99.92 15:03:01 1 0.07 0.00 0.12 0.00 0.02 99.80 15:03:01 2 0.03 0.00 0.03 0.00 0.00 99.93 15:03:01 3 0.05 0.00 0.05 0.00 0.00 99.90 15:04:01 all 0.07 0.00 0.03 0.00 0.00 99.90 15:04:01 0 0.05 0.00 0.05 0.00 0.00 99.90 15:04:01 1 0.08 0.00 0.07 0.00 0.00 99.85 15:04:01 2 0.07 0.00 0.03 0.00 0.00 99.90 15:04:01 3 0.07 0.00 0.02 0.00 0.00 99.92 15:05:01 all 0.08 0.00 0.05 0.00 0.00 99.87 15:05:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:05:01 1 0.02 0.00 0.02 0.00 0.00 99.97 15:05:01 2 0.27 0.00 0.07 0.00 0.00 99.67 15:05:01 3 0.03 0.00 0.05 0.00 0.00 99.92 15:06:01 all 0.83 0.00 0.46 0.00 0.00 98.70 15:06:01 0 0.83 0.00 0.70 0.00 0.00 98.47 15:06:01 1 0.62 0.00 0.35 0.02 0.00 99.02 15:06:01 2 1.07 0.00 0.47 0.02 0.00 98.45 15:06:01 3 0.78 0.00 0.32 0.00 0.00 98.90 15:07:01 all 15.76 0.00 8.17 4.67 0.04 71.35 15:07:01 0 15.01 0.00 7.97 5.43 0.02 71.57 15:07:01 1 14.28 0.00 7.50 4.24 0.05 73.93 15:07:01 2 14.45 0.00 8.42 2.82 0.03 74.28 15:07:01 3 19.33 0.00 8.80 6.18 0.07 65.63 Average: all 4.77 0.00 2.20 1.15 0.01 91.87 Average: 0 4.67 0.00 2.31 1.61 0.01 91.40 Average: 1 4.52 0.00 2.06 0.88 0.01 92.53 Average: 2 4.34 0.00 2.16 0.75 0.01 92.74 Average: 3 5.56 0.00 2.28 1.34 0.01 90.81