---> uname -a: Linux bcca9e92cdbf 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 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 Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 8.5G 41.5G 17% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 781 108 0 947 988 Swap: 1023 3 1020 ---> 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 24: eth0@if25: 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/12/20 _x86_64_ (4 CPU) 14:49:56 LINUX RESTART 14:51:01 tps rtps wtps bread/s bwrtn/s 14:52:01 1.65 0.00 1.65 0.00 33.04 14:53:01 0.38 0.00 0.38 0.00 5.70 14:54:01 0.20 0.00 0.20 0.00 2.07 14:55:01 0.34 0.00 0.34 0.00 3.95 14:56:01 15.95 0.77 15.19 238.33 11047.26 14:57:01 332.68 178.33 154.35 7728.67 42892.58 Average: 58.74 29.95 28.78 1332.43 9027.49 14:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:52:01 181152 1700404 90.37 2620 1154548 1074076 36.66 413688 1128076 16 14:53:01 178620 1702936 90.51 2620 1154552 1072280 36.59 417220 1127248 8 14:54:01 178256 1703300 90.53 2620 1154560 1072364 36.60 417568 1127252 8 14:55:01 177416 1704140 90.57 2620 1154560 1072224 36.59 420612 1125128 8 14:56:01 72916 1808640 96.12 2620 1172028 1505160 51.37 533296 1103604 52596 14:57:01 126920 1754636 93.25 1900 961612 1523596 52.00 624612 859060 90692 Average: 152547 1729009 91.89 2500 1125310 1219950 41.63 471166 1078395 23888 14:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:52:01 eth0 0.70 0.10 0.06 0.01 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:53:01 eth0 0.82 0.35 0.30 0.20 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 0.70 0.42 0.29 0.20 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 0.22 0.15 0.12 0.01 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 127.58 84.08 3762.07 8.96 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 14:57:01 eth0 316.56 215.49 3595.42 100.25 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 docker0 23.27 21.90 2.94 51.09 0.00 0.00 0.00 Average: eth0 74.67 50.26 1230.23 18.34 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.89 3.66 0.49 8.55 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 06/12/20 _x86_64_ (4 CPU) 14:49:56 LINUX RESTART 14:51:01 CPU %user %nice %system %iowait %steal %idle 14:52:01 all 0.17 0.00 0.03 0.00 0.00 99.79 14:52:01 0 0.05 0.00 0.03 0.00 0.00 99.92 14:52:01 1 0.52 0.00 0.03 0.00 0.00 99.45 14:52:01 2 0.10 0.00 0.05 0.00 0.02 99.83 14:52:01 3 0.03 0.00 0.02 0.00 0.00 99.95 14:53:01 all 0.17 0.00 0.02 0.00 0.00 99.81 14:53:01 0 0.03 0.00 0.02 0.00 0.00 99.95 14:53:01 1 0.52 0.00 0.00 0.00 0.00 99.48 14:53:01 2 0.08 0.00 0.03 0.00 0.00 99.88 14:53:01 3 0.05 0.00 0.02 0.00 0.00 99.93 14:54:01 all 0.10 0.00 0.02 0.00 0.00 99.88 14:54:01 0 0.03 0.00 0.02 0.00 0.00 99.95 14:54:01 1 0.33 0.00 0.02 0.00 0.00 99.65 14:54:01 2 0.05 0.00 0.02 0.00 0.00 99.93 14:54:01 3 0.00 0.00 0.02 0.00 0.00 99.98 14:55:01 all 0.12 0.00 0.02 0.00 0.00 99.86 14:55:01 0 0.02 0.00 0.03 0.00 0.00 99.95 14:55:01 1 0.39 0.00 0.03 0.00 0.00 99.58 14:55:01 2 0.05 0.00 0.03 0.00 0.00 99.92 14:55:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:56:01 all 2.37 0.00 1.09 0.04 0.01 96.49 14:56:01 0 2.56 0.00 1.04 0.02 0.02 96.37 14:56:01 1 2.75 0.00 1.18 0.03 0.02 96.01 14:56:01 2 2.02 0.00 1.10 0.02 0.02 96.84 14:56:01 3 2.20 0.00 1.00 0.08 0.02 96.69 14:57:01 all 13.72 0.00 7.47 3.61 0.06 75.15 14:57:01 0 13.45 0.00 7.68 2.73 0.05 76.08 14:57:01 1 13.57 0.00 6.88 4.80 0.07 74.69 14:57:01 2 13.98 0.00 7.79 4.87 0.05 73.31 14:57:01 3 13.85 0.00 7.56 2.00 0.05 76.53 Average: all 2.76 0.00 1.43 0.60 0.01 95.20 Average: 0 2.68 0.00 1.46 0.46 0.01 95.40 Average: 1 3.00 0.00 1.35 0.80 0.01 94.84 Average: 2 2.70 0.00 1.49 0.81 0.01 94.99 Average: 3 2.67 0.00 1.43 0.34 0.01 95.55