---> uname -a: Linux 4d6c1b8437c6 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 670 131 0 1035 1060 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) 09/18/20 _x86_64_ (4 CPU) 09:00:43 LINUX RESTART (4 CPU) 09:02:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:03:01 3.60 0.00 3.60 0.00 0.00 110.01 0.00 09:04:02 0.35 0.00 0.35 0.00 0.00 5.41 0.00 09:05:01 0.20 0.00 0.20 0.00 0.00 2.52 0.00 09:06:01 0.32 0.00 0.32 0.00 0.00 3.65 0.00 09:07:01 0.30 0.00 0.30 0.00 0.00 4.33 0.00 09:08:01 0.30 0.02 0.28 0.00 0.13 3.53 0.00 Average: 0.85 0.00 0.84 0.00 0.02 21.63 0.00 09:02:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:03:01 144332 0 587452 31.22 2620 1147152 1086016 37.06 461472 1116664 12 09:04:02 145220 0 586560 31.17 2620 1147156 1073708 36.64 462192 1115672 16 09:05:01 145316 0 586456 31.17 2620 1147164 1073708 36.64 462248 1115672 8 09:06:01 143568 0 588204 31.26 2620 1147164 1073732 36.64 472132 1107196 16 09:07:01 142416 0 589352 31.32 2620 1147168 1073780 36.65 473616 1107132 8 09:08:01 144140 0 587616 31.23 2620 1147180 1073528 36.64 472004 1107132 8 Average: 144165 0 587607 31.23 2620 1147164 1075745 36.71 467277 1111578 11 09:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:03:01 eth0 1.00 0.28 0.30 0.20 0.00 0.00 0.00 0.00 09:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:02 eth0 1.13 0.42 0.34 0.18 0.00 0.00 0.00 0.00 09:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 eth0 1.32 0.39 0.34 0.24 0.00 0.00 0.00 0.00 09:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 eth0 1.00 0.28 0.32 0.20 0.00 0.00 0.00 0.00 09:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 eth0 0.68 0.48 0.43 0.27 0.00 0.00 0.00 0.00 09:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:08:01 eth0 0.12 0.08 0.01 0.01 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.87 0.32 0.29 0.18 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 0.00 0.00 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) 09/18/20 _x86_64_ (4 CPU) 09:00:43 LINUX RESTART (4 CPU) 09:02:01 CPU %user %nice %system %iowait %steal %idle 09:03:01 all 0.16 0.00 0.05 0.00 0.00 99.79 09:03:01 0 0.07 0.00 0.08 0.00 0.00 99.85 09:03:01 1 0.28 0.00 0.03 0.00 0.00 99.68 09:03:01 2 0.22 0.00 0.07 0.00 0.00 99.72 09:03:01 3 0.07 0.00 0.03 0.00 0.00 99.90 09:04:02 all 0.17 0.00 0.04 0.00 0.00 99.79 09:04:02 0 0.07 0.00 0.05 0.00 0.00 99.88 09:04:02 1 0.52 0.00 0.03 0.00 0.00 99.45 09:04:02 2 0.05 0.00 0.05 0.00 0.00 99.90 09:04:02 3 0.05 0.00 0.03 0.00 0.00 99.92 09:05:01 all 0.15 0.00 0.03 0.00 0.00 99.82 09:05:01 0 0.05 0.00 0.03 0.00 0.00 99.92 09:05:01 1 0.51 0.00 0.03 0.00 0.00 99.46 09:05:01 2 0.03 0.00 0.03 0.00 0.00 99.93 09:05:01 3 0.02 0.00 0.02 0.00 0.00 99.97 09:06:01 all 0.12 0.00 0.04 0.00 0.00 99.85 09:06:01 0 0.03 0.00 0.03 0.00 0.00 99.93 09:06:01 1 0.37 0.00 0.07 0.00 0.00 99.57 09:06:01 2 0.07 0.00 0.03 0.00 0.00 99.90 09:06:01 3 0.00 0.00 0.02 0.00 0.00 99.98 09:07:01 all 0.11 0.00 0.05 0.00 0.00 99.84 09:07:01 0 0.12 0.00 0.13 0.00 0.00 99.75 09:07:01 1 0.18 0.00 0.02 0.00 0.00 99.80 09:07:01 2 0.07 0.00 0.03 0.00 0.00 99.90 09:07:01 3 0.07 0.00 0.03 0.00 0.00 99.90 09:08:01 all 0.15 0.00 0.03 0.00 0.00 99.82 09:08:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:08:01 1 0.50 0.00 0.03 0.00 0.00 99.47 09:08:01 2 0.02 0.00 0.03 0.00 0.00 99.95 09:08:01 3 0.05 0.00 0.05 0.00 0.00 99.90 Average: all 0.14 0.00 0.04 0.00 0.00 99.82 Average: 0 0.06 0.00 0.06 0.00 0.00 99.88 Average: 1 0.39 0.00 0.04 0.00 0.00 99.57 Average: 2 0.08 0.00 0.04 0.00 0.00 99.88 Average: 3 0.04 0.00 0.03 0.00 0.00 99.93