---> uname -a: Linux 0a821b86bb9d 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-snmp-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/gexfoundry_device-snmp-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 795 113 0 928 979 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) 09/17/20 _x86_64_ (4 CPU) 09:06:22 LINUX RESTART (4 CPU) 09:07:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:08:01 52.66 15.30 37.36 0.00 4975.82 4561.64 0.00 09:09:01 1.85 0.00 1.85 0.00 0.00 32.68 0.00 09:10:01 0.27 0.00 0.27 0.00 0.00 3.71 0.00 09:11:01 0.18 0.00 0.18 0.00 0.00 2.02 0.00 09:12:01 0.25 0.00 0.25 0.00 0.00 3.16 0.00 09:13:02 0.30 0.00 0.30 0.00 0.00 4.76 0.00 09:14:01 0.42 0.02 0.41 0.00 0.14 6.22 0.00 09:15:01 206.78 116.95 89.83 0.00 6779.42 31212.84 0.00 09:16:01 199.95 63.43 136.52 0.00 4030.89 31103.45 0.00 Average: 51.52 21.79 29.73 0.00 1757.95 7453.88 0.00 09:07:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:08:01 183756 0 565932 30.08 2620 1129248 1099572 37.53 405140 1132084 8 09:09:01 188308 0 561376 29.84 2620 1129252 1071144 36.56 405468 1128228 8 09:10:01 189888 0 559788 29.75 2620 1129260 1059836 36.17 404944 1127492 8 09:11:01 187416 0 562260 29.88 2620 1129260 1060032 36.18 407744 1127280 12 09:12:01 186124 0 563548 29.95 2620 1129264 1060020 36.18 416644 1119384 20 09:13:02 185840 0 563824 29.97 2620 1129272 1060160 36.18 434748 1101832 16 09:14:01 185568 0 564092 29.98 2620 1129276 1060248 36.18 434936 1101832 8 09:15:01 103012 0 684620 36.39 2620 1091304 1491228 50.89 583808 993844 12708 09:16:01 66280 0 781844 41.55 1708 1031724 1695900 57.88 704684 816344 70344 Average: 164021 0 600809 31.93 2519 1114207 1184238 40.42 466457 1072036 9237 09:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:08:01 eth0 307.79 217.45 674.59 72.75 0.00 0.00 0.00 0.00 09:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 docker0 1.22 1.12 0.22 1.72 0.00 0.00 0.00 0.00 09:09:01 eth0 1.13 0.53 0.54 0.37 0.00 0.00 0.00 0.00 09:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 eth0 1.47 0.08 0.13 0.04 0.00 0.00 0.00 0.00 09:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 eth0 1.48 0.33 0.36 0.17 0.00 0.00 0.00 0.00 09:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 eth0 1.50 0.40 0.43 0.27 0.00 0.00 0.00 0.00 09:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:02 eth0 2.33 0.92 0.99 0.60 0.00 0.00 0.00 0.00 09:13:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:13:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 eth0 1.61 0.36 0.39 0.24 0.00 0.00 0.00 0.00 09:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:15:01 eth0 462.04 420.71 4000.55 38.13 0.00 0.00 0.00 0.00 09:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:15:01 docker0 20.63 19.11 2.26 51.97 0.00 0.00 0.00 0.00 09:16:01 vethf323ba9 26.91 31.39 1.88 198.66 0.00 0.00 0.00 0.00 09:16:01 eth0 477.53 418.44 3467.56 104.88 0.00 0.00 0.00 0.00 09:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:16:01 docker0 28.61 32.71 1.84 199.34 0.00 0.00 0.00 0.00 Average: vethf323ba9 3.00 3.50 0.21 22.13 0.00 0.00 0.00 0.00 Average: eth0 139.97 117.96 907.14 24.21 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: docker0 5.62 5.90 0.48 28.18 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) 09/17/20 _x86_64_ (4 CPU) 09:06:22 LINUX RESTART (4 CPU) 09:07:01 CPU %user %nice %system %iowait %steal %idle 09:08:01 all 5.71 0.00 1.96 1.77 0.02 90.54 09:08:01 0 5.35 0.00 2.06 0.27 0.02 92.30 09:08:01 1 5.99 0.00 1.89 1.62 0.02 90.48 09:08:01 2 5.66 0.00 1.64 1.21 0.03 91.46 09:08:01 3 5.83 0.00 2.23 3.99 0.02 87.94 09:09:01 all 0.17 0.00 0.03 0.00 0.00 99.80 09:09:01 0 0.33 0.00 0.02 0.00 0.00 99.65 09:09:01 1 0.20 0.00 0.03 0.00 0.00 99.77 09:09:01 2 0.08 0.00 0.03 0.00 0.00 99.88 09:09:01 3 0.05 0.00 0.03 0.00 0.00 99.92 09:10:01 all 0.16 0.00 0.02 0.00 0.00 99.82 09:10:01 0 0.53 0.00 0.02 0.00 0.00 99.45 09:10:01 1 0.03 0.00 0.03 0.00 0.00 99.93 09:10:01 2 0.05 0.00 0.02 0.00 0.00 99.93 09:10:01 3 0.02 0.00 0.03 0.00 0.00 99.95 09:11:01 all 0.17 0.00 0.02 0.00 0.00 99.80 09:11:01 0 0.52 0.00 0.02 0.00 0.00 99.47 09:11:01 1 0.03 0.00 0.03 0.00 0.00 99.93 09:11:01 2 0.10 0.00 0.03 0.00 0.00 99.87 09:11:01 3 0.03 0.00 0.02 0.00 0.00 99.95 09:12:01 all 0.17 0.00 0.04 0.00 0.00 99.79 09:12:01 0 0.52 0.00 0.02 0.00 0.00 99.47 09:12:01 1 0.07 0.00 0.07 0.00 0.00 99.87 09:12:01 2 0.05 0.00 0.05 0.00 0.00 99.90 09:12:01 3 0.03 0.00 0.03 0.00 0.00 99.93 09:13:02 all 0.18 0.00 0.07 0.00 0.00 99.74 09:13:02 0 0.10 0.00 0.03 0.00 0.00 99.87 09:13:02 1 0.05 0.00 0.20 0.00 0.00 99.75 09:13:02 2 0.50 0.00 0.03 0.00 0.00 99.47 09:13:02 3 0.08 0.00 0.03 0.00 0.00 99.88 09:14:01 all 0.16 0.00 0.02 0.00 0.00 99.82 09:14:01 0 0.02 0.00 0.02 0.00 0.00 99.97 09:14:01 1 0.05 0.00 0.02 0.00 0.00 99.93 09:14:01 2 0.54 0.00 0.02 0.00 0.00 99.44 09:14:01 3 0.03 0.00 0.03 0.00 0.00 99.93 09:15:01 all 7.54 0.00 4.12 2.18 0.03 86.13 09:15:01 0 6.54 0.00 3.78 1.13 0.03 88.51 09:15:01 1 7.24 0.00 4.42 1.71 0.03 86.60 09:15:01 2 8.04 0.00 3.75 2.27 0.03 85.90 09:15:01 3 8.34 0.00 4.50 3.60 0.03 83.52 09:16:01 all 10.66 0.00 6.70 2.84 0.03 79.76 09:16:01 0 9.91 0.00 6.67 2.33 0.03 81.05 09:16:01 1 9.88 0.00 6.54 2.90 0.03 80.65 09:16:01 2 10.75 0.00 6.67 3.09 0.03 79.46 09:16:01 3 12.12 0.00 6.93 3.03 0.03 77.89 Average: all 2.75 0.00 1.43 0.75 0.01 95.05 Average: 0 2.63 0.00 1.39 0.41 0.01 95.56 Average: 1 2.61 0.00 1.46 0.69 0.01 95.23 Average: 2 2.85 0.00 1.35 0.73 0.01 95.06 Average: 3 2.93 0.00 1.53 1.17 0.01 94.36