---> uname -a: Linux b7dab40df7b5 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 7.0G 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-rest-go_PR-42@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-rest-go_PR-42 ---> free -m: total used free shared buff/cache available Mem: 1837 641 124 0 1072 1090 Swap: 1023 0 1023 ---> 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) 09/19/20 _x86_64_ (4 CPU) 03:06:53 LINUX RESTART (4 CPU) 03:08:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:09:01 8.08 2.42 5.66 0.00 140.06 652.46 0.00 03:10:01 0.32 0.00 0.32 0.00 0.00 4.46 0.00 03:11:01 0.27 0.00 0.27 0.00 0.00 4.03 0.00 03:12:01 0.25 0.00 0.25 0.00 0.00 2.70 0.00 03:13:01 0.25 0.00 0.25 0.00 0.00 3.76 0.00 Average: 1.81 0.48 1.33 0.00 27.65 131.78 0.00 03:08:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:09:01 161732 0 556972 29.60 2620 1160232 1102804 37.64 438524 1120580 20 03:10:01 168684 0 550016 29.23 2620 1160236 1069344 36.49 436404 1116976 20 03:11:01 167984 0 550708 29.27 2620 1160244 1069428 36.50 436924 1116976 16 03:12:01 167956 0 550736 29.27 2620 1160244 1069260 36.49 442768 1111292 12 03:13:01 167848 0 550840 29.28 2620 1160248 1069344 36.49 443208 1111292 8 Average: 166841 0 551854 29.33 2620 1160241 1076036 36.72 439566 1115423 15 03:08:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:09:01 eth0 58.58 38.08 17.58 150.87 0.00 0.00 0.00 0.00 03:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 docker0 0.03 0.03 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 eth0 2.28 0.85 2.65 0.06 0.00 0.00 0.00 0.00 03:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 eth0 1.42 0.67 0.58 0.37 0.00 0.00 0.00 0.00 03:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 0.00 03:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:13:01 eth0 0.18 0.15 0.08 0.07 0.00 0.00 0.00 0.00 03:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 12.37 7.87 4.14 29.89 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 0.01 0.01 0.00 0.00 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) 09/19/20 _x86_64_ (4 CPU) 03:06:53 LINUX RESTART (4 CPU) 03:08:02 CPU %user %nice %system %iowait %steal %idle 03:09:01 all 1.64 0.00 0.39 0.03 0.00 97.93 03:09:01 0 1.81 0.00 0.47 0.00 0.00 97.71 03:09:01 1 1.17 0.00 0.39 0.05 0.00 98.39 03:09:01 2 1.41 0.00 0.37 0.07 0.00 98.15 03:09:01 3 2.17 0.00 0.34 0.02 0.00 97.47 03:10:01 all 0.17 0.00 0.04 0.00 0.00 99.79 03:10:01 0 0.07 0.00 0.03 0.00 0.00 99.90 03:10:01 1 0.07 0.00 0.03 0.00 0.00 99.90 03:10:01 2 0.53 0.00 0.05 0.00 0.00 99.42 03:10:01 3 0.02 0.00 0.03 0.00 0.00 99.95 03:11:01 all 0.18 0.00 0.04 0.00 0.00 99.78 03:11:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:11:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:11:01 2 0.62 0.00 0.05 0.00 0.00 99.33 03:11:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:12:01 all 0.15 0.00 0.04 0.00 0.00 99.81 03:12:01 0 0.03 0.00 0.07 0.00 0.02 99.88 03:12:01 1 0.02 0.00 0.02 0.00 0.00 99.97 03:12:01 2 0.53 0.00 0.05 0.00 0.00 99.42 03:12:01 3 0.00 0.00 0.02 0.00 0.00 99.98 03:13:01 all 0.16 0.00 0.04 0.00 0.00 99.80 03:13:01 0 0.03 0.00 0.08 0.00 0.00 99.88 03:13:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:13:01 2 0.55 0.00 0.03 0.00 0.00 99.42 03:13:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.46 0.00 0.11 0.01 0.00 99.43 Average: 0 0.39 0.00 0.14 0.00 0.00 99.46 Average: 1 0.26 0.00 0.10 0.01 0.00 99.63 Average: 2 0.73 0.00 0.11 0.01 0.00 99.15 Average: 3 0.45 0.00 0.08 0.00 0.00 99.47