---> uname -a: Linux a5ea5da3ee92 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: 2933.438 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 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/gexfoundry_device-rest-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/gexfoundry_device-rest-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 785 115 0 937 988 Swap: 1023 2 1021 ---> 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) 09/22/20 _x86_64_ (4 CPU) 11:02:14 LINUX RESTART (4 CPU) 11:03:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:04:01 50.56 14.73 35.83 0.00 4980.23 3126.32 0.00 11:05:01 1.47 0.00 1.47 0.00 0.00 24.09 0.00 11:06:01 0.40 0.00 0.40 0.00 0.00 5.73 0.00 11:07:01 0.27 0.00 0.27 0.00 0.00 2.98 0.00 11:08:01 0.27 0.00 0.27 0.00 0.00 3.13 0.00 11:09:01 227.77 123.92 103.85 0.00 6968.94 32036.07 0.00 11:10:01 208.25 77.74 130.52 0.00 4653.18 32952.91 0.00 Average: 69.92 30.96 38.96 0.00 2366.28 9755.24 0.00 11:03:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:04:01 174756 0 553248 29.40 2620 1150932 1112772 37.98 422728 1123956 120 11:05:01 177808 0 550192 29.24 2620 1150936 1097008 37.44 422704 1121680 8 11:06:01 180428 0 547564 29.10 2620 1150944 1070412 36.53 422016 1120664 8 11:07:01 178588 0 549404 29.20 2620 1150944 1070364 36.53 427948 1116448 8 11:08:01 179052 0 548936 29.17 2620 1150948 1070316 36.53 431260 1112716 8 11:09:01 160864 0 665188 35.35 2596 1052908 1224736 41.80 596208 928932 60 11:10:01 236236 0 735016 39.06 1492 908812 1199952 40.95 612672 743340 40 Average: 183962 0 592793 31.51 2455 1102346 1120794 38.25 476505 1038248 36 11:03:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:04:01 eth0 362.71 285.27 832.31 198.53 0.00 0.00 0.00 0.00 11:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:04:01 docker0 55.79 41.08 4.12 134.98 0.00 0.00 0.00 0.00 11:05:01 eth0 2.93 0.92 2.18 0.24 0.00 0.00 0.00 0.00 11:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 eth0 0.92 0.43 0.50 0.20 0.00 0.00 0.00 0.00 11:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:07:01 eth0 0.75 0.40 0.30 0.20 0.00 0.00 0.00 0.00 11:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 eth0 0.22 0.15 0.08 0.07 0.00 0.00 0.00 0.00 11:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 veth4d35fdf 0.42 0.37 0.09 0.17 0.00 0.00 0.00 0.00 11:09:01 eth0 493.31 447.53 4039.06 88.38 0.00 0.00 0.00 0.00 11:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:09:01 docker0 23.81 20.78 3.01 50.18 0.00 0.00 0.00 0.00 11:10:01 eth0 469.68 405.64 3593.78 74.03 0.00 0.00 0.00 0.00 11:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:01 veth6db466e 1.71 1.31 0.27 0.23 0.00 0.00 0.00 0.00 11:10:01 docker0 29.07 32.08 1.75 199.09 0.00 0.00 0.00 0.00 Average: eth0 189.73 162.67 1211.06 51.33 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth6db466e 0.25 0.19 0.04 0.03 0.00 0.00 0.00 0.00 Average: docker0 15.43 13.36 1.26 54.73 0.00 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) 09/22/20 _x86_64_ (4 CPU) 11:02:14 LINUX RESTART (4 CPU) 11:03:02 CPU %user %nice %system %iowait %steal %idle 11:04:01 all 5.52 0.00 2.37 1.45 0.02 90.63 11:04:01 0 6.18 0.00 2.54 0.19 0.02 91.07 11:04:01 1 5.76 0.00 2.33 0.49 0.02 91.40 11:04:01 2 5.28 0.00 1.74 1.38 0.03 91.56 11:04:01 3 4.85 0.00 2.88 3.75 0.02 88.50 11:05:01 all 0.15 0.00 0.06 0.00 0.00 99.79 11:05:01 0 0.03 0.00 0.03 0.00 0.00 99.93 11:05:01 1 0.05 0.00 0.07 0.00 0.00 99.88 11:05:01 2 0.05 0.00 0.05 0.00 0.00 99.90 11:05:01 3 0.48 0.00 0.08 0.00 0.00 99.43 11:06:01 all 0.16 0.00 0.02 0.00 0.00 99.81 11:06:01 0 0.05 0.00 0.05 0.00 0.00 99.90 11:06:01 1 0.05 0.00 0.02 0.00 0.00 99.93 11:06:01 2 0.05 0.00 0.02 0.02 0.00 99.92 11:06:01 3 0.48 0.00 0.02 0.00 0.00 99.50 11:07:01 all 0.15 0.00 0.04 0.00 0.00 99.80 11:07:01 0 0.03 0.00 0.05 0.00 0.00 99.92 11:07:01 1 0.03 0.00 0.03 0.00 0.00 99.93 11:07:01 2 0.03 0.00 0.05 0.00 0.02 99.90 11:07:01 3 0.52 0.00 0.02 0.00 0.00 99.47 11:08:01 all 0.13 0.00 0.06 0.00 0.00 99.81 11:08:01 0 0.02 0.00 0.03 0.00 0.00 99.95 11:08:01 1 0.03 0.00 0.03 0.00 0.00 99.93 11:08:01 2 0.07 0.00 0.15 0.00 0.00 99.78 11:08:01 3 0.40 0.00 0.03 0.00 0.00 99.57 11:09:01 all 9.31 0.00 6.14 2.77 0.03 81.75 11:09:01 0 9.34 0.00 6.44 2.56 0.03 81.63 11:09:01 1 9.32 0.00 6.26 2.88 0.02 81.52 11:09:01 2 9.37 0.00 6.32 3.51 0.03 80.77 11:09:01 3 9.19 0.00 5.55 2.15 0.02 83.09 11:10:01 all 11.03 0.00 7.72 2.69 0.03 78.53 11:10:01 0 9.52 0.00 8.09 2.13 0.02 80.24 11:10:01 1 13.66 0.00 7.98 3.88 0.03 74.44 11:10:01 2 10.00 0.00 6.80 1.90 0.05 81.25 11:10:01 3 10.93 0.00 8.02 2.85 0.02 78.18 Average: all 3.74 0.00 2.32 0.98 0.01 92.95 Average: 0 3.55 0.00 2.43 0.69 0.01 93.32 Average: 1 4.09 0.00 2.37 1.03 0.01 92.51 Average: 2 3.52 0.00 2.14 0.96 0.02 93.36 Average: 3 3.80 0.00 2.35 1.24 0.01 92.61