---> uname -a: Linux 62e9151de58c 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 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% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-591 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-591@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 662 141 0 1033 1066 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) 18:41:22 LINUX RESTART (4 CPU) 18:42:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:43:01 84.11 37.38 46.73 0.00 7477.85 4985.11 0.00 18:44:01 1.71 0.00 1.71 0.00 0.00 32.77 0.00 18:45:01 0.68 0.00 0.68 0.00 0.00 8.73 0.00 18:46:01 0.65 0.00 0.65 0.00 0.00 8.33 0.00 18:47:01 0.22 0.00 0.22 0.00 0.00 3.31 0.00 18:48:01 0.27 0.00 0.27 0.00 0.00 3.25 0.00 Average: 14.61 6.23 8.38 0.00 1247.00 840.71 0.00 18:42:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:43:01 161380 0 585896 31.14 2620 1131660 1130344 38.58 445692 1114516 120 18:44:01 164048 0 583224 31.00 2620 1131664 1114548 38.04 445352 1112452 16 18:45:01 164008 0 583256 31.00 2620 1131672 1114660 38.04 445936 1112440 8 18:46:01 162920 0 584344 31.06 2620 1131672 1110500 37.90 447324 1111708 8 18:47:01 163424 0 583832 31.03 2620 1131680 1110512 37.90 454016 1105096 8 18:48:01 163920 0 583332 31.00 2620 1131684 1106444 37.76 454176 1104876 20 Average: 163283 0 583981 31.04 2620 1131672 1114501 38.04 448749 1110181 30 18:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:43:01 eth0 508.00 315.89 1081.87 108.84 0.00 0.00 0.00 0.00 18:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:43:01 docker0 5.56 4.18 0.94 18.32 0.00 0.00 0.00 0.00 18:44:01 eth0 2.85 0.78 0.95 0.59 0.00 0.00 0.00 0.00 18:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 eth0 3.53 0.82 1.03 0.55 0.00 0.00 0.00 0.00 18:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:01 eth0 1.82 0.37 0.36 0.24 0.00 0.00 0.00 0.00 18:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 eth0 1.57 0.40 0.41 0.21 0.00 0.00 0.00 0.00 18:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 eth0 2.08 0.72 0.77 0.43 0.00 0.00 0.00 0.00 18:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.69 53.19 181.00 18.49 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 0.93 0.70 0.16 3.05 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) 18:41:22 LINUX RESTART (4 CPU) 18:42:01 CPU %user %nice %system %iowait %steal %idle 18:43:01 all 12.53 0.00 5.25 2.53 0.12 79.57 18:43:01 0 11.76 0.00 5.66 1.10 0.10 81.38 18:43:01 1 12.67 0.00 5.50 3.42 0.08 78.32 18:43:01 2 12.10 0.00 5.04 3.59 0.15 79.12 18:43:01 3 13.59 0.00 4.79 2.02 0.13 79.47 18:44:01 all 0.17 0.00 0.05 0.00 0.01 99.77 18:44:01 0 0.52 0.00 0.07 0.00 0.02 99.40 18:44:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:44:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:44:01 3 0.05 0.00 0.03 0.00 0.02 99.90 18:45:01 all 0.17 0.00 0.04 0.00 0.01 99.78 18:45:01 0 0.07 0.00 0.03 0.00 0.02 99.88 18:45:01 1 0.52 0.00 0.05 0.00 0.02 99.42 18:45:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:45:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:46:01 all 0.13 0.00 0.03 0.00 0.01 99.82 18:46:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:46:01 1 0.42 0.00 0.02 0.00 0.00 99.57 18:46:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:46:01 3 0.03 0.00 0.05 0.00 0.03 99.88 18:47:01 all 0.17 0.00 0.05 0.00 0.00 99.77 18:47:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:47:01 1 0.52 0.00 0.05 0.00 0.02 99.42 18:47:01 2 0.05 0.00 0.10 0.00 0.00 99.85 18:47:01 3 0.08 0.00 0.03 0.00 0.00 99.88 18:48:01 all 0.15 0.00 0.04 0.00 0.05 99.76 18:48:01 0 0.03 0.00 0.03 0.00 0.05 99.88 18:48:01 1 0.45 0.00 0.03 0.00 0.05 99.47 18:48:01 2 0.02 0.00 0.03 0.00 0.05 99.90 18:48:01 3 0.08 0.00 0.07 0.00 0.05 99.80 Average: all 2.20 0.00 0.90 0.42 0.03 96.45 Average: 0 2.05 0.00 0.97 0.18 0.03 96.77 Average: 1 2.42 0.00 0.94 0.56 0.03 96.05 Average: 2 2.02 0.00 0.87 0.59 0.03 96.49 Average: 3 2.29 0.00 0.83 0.33 0.04 96.51