---> uname -a: Linux 85289cd3bdd4 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 6.9G 43.0G 14% / 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/dgexfoundry_device-snmp-go_PR-61 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/dgexfoundry_device-snmp-go_PR-61@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 677 133 0 1026 1053 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 6: eth0@if7: 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) 08:50:13 LINUX RESTART (4 CPU) 08:51:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:52:01 50.24 14.23 36.01 0.00 4926.34 3402.73 0.00 08:53:01 1.63 0.00 1.63 0.00 0.00 27.94 0.00 08:54:02 0.18 0.00 0.18 0.00 0.00 2.03 0.00 08:55:01 0.30 0.00 0.30 0.00 0.00 4.03 0.00 08:56:01 0.25 0.00 0.25 0.00 0.00 3.73 0.00 08:57:01 0.35 0.00 0.35 0.00 0.00 4.73 0.00 Average: 8.86 2.38 6.48 0.00 823.85 576.13 0.00 08:51:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:52:01 147880 0 600856 31.93 2620 1130200 1121972 38.29 444736 1129272 12 08:53:01 152072 0 596660 31.71 2620 1130204 1092528 37.29 444248 1126044 8 08:54:02 153472 0 595256 31.64 2620 1130208 1075148 36.69 448172 1121136 8 08:55:01 151860 0 596864 31.72 2620 1130212 1075220 36.70 450300 1120516 12 08:56:01 152056 0 596664 31.71 2620 1130216 1075220 36.70 457716 1113128 12 08:57:01 153272 0 595440 31.65 2620 1130224 1075052 36.69 456780 1113128 12 Average: 151769 0 596957 31.73 2620 1130211 1085857 37.06 450325 1120537 11 08:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:52:01 eth0 160.56 112.73 477.07 53.03 0.00 0.00 0.00 0.00 08:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 docker0 1.11 1.03 0.21 1.71 0.00 0.00 0.00 0.00 08:53:01 eth0 2.36 0.75 0.87 0.59 0.00 0.00 0.00 0.00 08:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:02 eth0 3.20 0.28 0.52 0.20 0.00 0.00 0.00 0.00 08:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 eth0 3.17 1.07 1.21 0.77 0.00 0.00 0.00 0.00 08:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:56:01 eth0 1.27 0.75 0.69 0.50 0.00 0.00 0.00 0.00 08:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:57:01 eth0 0.25 0.07 0.01 0.01 0.00 0.00 0.00 0.00 08:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 28.55 19.34 80.33 9.21 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 0.19 0.17 0.04 0.29 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) 08:50:13 LINUX RESTART (4 CPU) 08:51:01 CPU %user %nice %system %iowait %steal %idle 08:52:01 all 4.28 0.00 2.27 1.71 0.04 91.70 08:52:01 0 3.87 0.00 2.47 0.25 0.05 93.36 08:52:01 1 4.79 0.00 2.84 4.58 0.03 87.75 08:52:01 2 4.71 0.00 1.59 0.79 0.03 92.88 08:52:01 3 3.72 0.00 2.19 1.22 0.05 92.81 08:53:01 all 0.20 0.00 0.07 0.00 0.00 99.74 08:53:01 0 0.12 0.00 0.10 0.00 0.00 99.78 08:53:01 1 0.20 0.00 0.05 0.00 0.00 99.75 08:53:01 2 0.45 0.00 0.08 0.00 0.00 99.47 08:53:01 3 0.02 0.00 0.03 0.00 0.00 99.95 08:54:02 all 0.17 0.00 0.04 0.00 0.01 99.78 08:54:02 0 0.03 0.00 0.05 0.00 0.02 99.90 08:54:02 1 0.50 0.00 0.02 0.00 0.00 99.48 08:54:02 2 0.05 0.00 0.03 0.00 0.00 99.92 08:54:02 3 0.08 0.00 0.07 0.00 0.02 99.83 08:55:01 all 0.17 0.00 0.05 0.00 0.00 99.78 08:55:01 0 0.07 0.00 0.05 0.00 0.00 99.88 08:55:01 1 0.47 0.00 0.03 0.00 0.00 99.49 08:55:01 2 0.05 0.00 0.03 0.00 0.00 99.92 08:55:01 3 0.08 0.00 0.07 0.00 0.02 99.83 08:56:01 all 0.17 0.00 0.05 0.00 0.00 99.78 08:56:01 0 0.07 0.00 0.03 0.00 0.00 99.90 08:56:01 1 0.52 0.00 0.03 0.00 0.00 99.45 08:56:01 2 0.05 0.00 0.02 0.00 0.00 99.93 08:56:01 3 0.03 0.00 0.12 0.00 0.00 99.85 08:57:01 all 0.11 0.00 0.05 0.00 0.00 99.84 08:57:01 0 0.03 0.00 0.03 0.00 0.00 99.93 08:57:01 1 0.37 0.00 0.12 0.00 0.02 99.50 08:57:01 2 0.02 0.00 0.02 0.00 0.00 99.97 08:57:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.85 0.00 0.42 0.28 0.01 98.44 Average: 0 0.70 0.00 0.45 0.04 0.01 98.80 Average: 1 1.14 0.00 0.52 0.76 0.01 97.57 Average: 2 0.89 0.00 0.30 0.13 0.01 98.68 Average: 3 0.66 0.00 0.42 0.20 0.01 98.71