---> uname -a: Linux 9eb328db9cc8 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: 2933.436 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 8.5G 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-snmp-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-snmp-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 789 113 0 933 978 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) 08/19/20 _x86_64_ (4 CPU) 20:41:57 LINUX RESTART 20:43:01 tps rtps wtps bread/s bwrtn/s 20:44:01 7.64 2.96 4.68 603.86 129.88 20:45:01 0.32 0.00 0.32 0.00 4.46 20:46:01 0.22 0.00 0.22 0.00 2.33 20:47:01 0.27 0.00 0.27 0.00 3.50 20:48:01 0.27 0.00 0.27 0.00 4.46 20:49:01 130.83 74.33 56.50 2465.79 25751.36 20:50:01 230.31 110.03 120.28 5698.35 29322.81 20:51:01 215.01 103.99 111.01 8348.83 29755.98 Average: 73.15 36.43 36.71 2140.87 10627.21 20:43:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:44:01 172568 1708988 90.83 2620 1117744 1112584 37.97 451964 1098540 20 20:45:01 175872 1705684 90.65 2620 1117748 1089628 37.19 453324 1094184 20 20:46:01 177388 1704168 90.57 2620 1117756 1083436 36.98 452888 1093848 12 20:47:01 175512 1706044 90.67 2620 1117756 1080572 36.88 461260 1087148 16 20:48:01 175252 1706304 90.69 2620 1117816 1080648 36.88 462764 1086068 20 20:49:01 161044 1720512 91.44 2620 1059400 1278708 43.64 462096 1064400 34024 20:50:01 131936 1749620 92.99 2308 951680 1537668 52.48 626508 853632 93752 20:51:01 161492 1720064 91.42 1492 951888 1233448 42.10 593152 818856 64 Average: 166383 1715173 91.16 2440 1068974 1187087 40.51 495495 1024585 15991 20:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:44:01 eth0 28.21 19.66 22.48 21.69 0.00 0.00 0.00 20:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 docker0 1.03 1.00 0.19 1.61 0.00 0.00 0.00 20:45:01 eth0 2.81 0.53 0.70 0.39 0.00 0.00 0.00 20:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 eth0 2.28 0.60 0.65 0.43 0.00 0.00 0.00 20:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 eth0 1.48 0.70 0.59 0.40 0.00 0.00 0.00 20:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 eth0 0.73 0.47 0.41 0.27 0.00 0.00 0.00 20:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 eth0 125.77 82.57 3759.93 9.23 0.00 0.00 0.00 20:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 eth0 217.19 169.67 3452.09 85.54 0.00 0.00 0.00 20:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 docker0 22.09 19.85 2.57 51.64 0.00 0.00 0.00 20:51:01 vethf7c4a6a 0.00 0.08 0.00 0.01 0.00 0.00 0.00 20:51:01 eth0 1007.84 664.30 10880.25 262.16 0.00 0.00 0.00 20:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 20:51:01 docker0 63.30 63.18 5.53 245.65 0.00 0.00 0.00 Average: vethf7c4a6a 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 72.39 53.50 1228.27 24.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.92 7.90 0.69 30.73 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) 08/19/20 _x86_64_ (4 CPU) 20:41:57 LINUX RESTART 20:43:01 CPU %user %nice %system %iowait %steal %idle 20:44:01 all 1.15 0.00 0.63 0.04 0.03 98.16 20:44:01 0 1.18 0.00 0.63 0.02 0.03 98.13 20:44:01 1 0.87 0.00 0.58 0.05 0.03 98.46 20:44:01 2 1.34 0.00 0.67 0.05 0.03 97.91 20:44:01 3 1.22 0.00 0.62 0.05 0.03 98.08 20:45:01 all 0.09 0.00 0.05 0.00 0.01 99.85 20:45:01 0 0.03 0.00 0.05 0.00 0.00 99.92 20:45:01 1 0.05 0.00 0.05 0.00 0.00 99.90 20:45:01 2 0.25 0.00 0.07 0.00 0.00 99.68 20:45:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:46:01 all 0.17 0.00 0.03 0.00 0.01 99.79 20:46:01 0 0.05 0.00 0.03 0.00 0.00 99.92 20:46:01 1 0.03 0.00 0.05 0.00 0.02 99.90 20:46:01 2 0.50 0.00 0.02 0.00 0.02 99.47 20:46:01 3 0.12 0.00 0.05 0.00 0.02 99.82 20:47:01 all 0.15 0.00 0.04 0.00 0.01 99.80 20:47:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:47:01 1 0.05 0.00 0.05 0.00 0.00 99.90 20:47:01 2 0.43 0.00 0.03 0.00 0.02 99.52 20:47:01 3 0.07 0.00 0.05 0.00 0.03 99.85 20:48:01 all 0.07 0.00 0.07 0.00 0.01 99.85 20:48:01 0 0.05 0.00 0.02 0.00 0.00 99.93 20:48:01 1 0.03 0.00 0.15 0.00 0.00 99.82 20:48:01 2 0.13 0.00 0.05 0.00 0.02 99.80 20:48:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:49:01 all 5.14 0.00 3.05 1.03 0.07 90.72 20:49:01 0 4.76 0.00 3.19 0.59 0.07 91.39 20:49:01 1 5.04 0.00 2.86 0.13 0.07 91.90 20:49:01 2 5.41 0.00 3.15 2.55 0.07 88.82 20:49:01 3 5.34 0.00 3.00 0.82 0.07 90.77 20:50:01 all 10.89 0.00 7.73 2.39 0.13 78.86 20:50:01 0 10.67 0.00 8.74 1.31 0.12 79.16 20:50:01 1 10.23 0.00 7.40 2.77 0.15 79.45 20:50:01 2 11.62 0.00 7.71 4.01 0.10 76.56 20:50:01 3 11.02 0.00 7.09 1.50 0.15 80.24 20:51:01 all 9.29 0.00 6.61 4.16 0.13 79.80 20:51:01 0 8.98 0.00 6.54 4.57 0.12 79.79 20:51:01 1 10.34 0.00 6.76 5.59 0.12 77.19 20:51:01 2 8.17 0.00 6.31 2.24 0.19 83.10 20:51:01 3 9.66 0.00 6.87 4.24 0.14 79.09 Average: all 3.33 0.00 2.25 0.94 0.05 93.43 Average: 0 3.18 0.00 2.37 0.80 0.04 93.60 Average: 1 3.30 0.00 2.21 1.05 0.05 93.39 Average: 2 3.45 0.00 2.23 1.09 0.05 93.18 Average: 3 3.40 0.00 2.19 0.82 0.05 93.54