---> uname -a: Linux 6c042fba3fe2 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% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-583 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-583@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 644 150 0 1042 1084 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) 09/18/20 _x86_64_ (4 CPU) 18:41:57 LINUX RESTART (4 CPU) 18:43:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:44:01 21.23 4.89 16.34 0.00 1040.12 2422.65 0.00 18:45:02 0.30 0.00 0.30 0.00 0.00 4.60 0.00 18:46:01 0.30 0.00 0.30 0.00 0.00 3.84 0.00 18:47:01 0.27 0.00 0.27 0.00 0.00 3.25 0.00 18:48:01 0.25 0.00 0.25 0.00 0.00 3.61 0.00 18:49:01 0.33 0.02 0.32 0.00 0.13 3.38 0.00 18:50:01 38.89 36.26 2.63 0.00 4257.21 64.72 0.00 Average: 8.79 5.90 2.89 0.00 758.08 354.04 0.00 18:43:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:44:01 154632 0 583120 30.99 2620 1141184 1121736 38.28 434852 1132184 20 18:45:02 154040 0 583708 31.02 2620 1141188 1121604 38.28 436772 1131152 12 18:46:01 158300 0 579440 30.80 2620 1141196 1101608 37.60 436460 1127728 20 18:47:01 157868 0 579872 30.82 2620 1141196 1097496 37.46 437920 1126984 12 18:48:01 158104 0 579632 30.81 2620 1141200 1097576 37.46 443052 1121924 8 18:49:01 158056 0 579668 30.81 2620 1141212 1097576 37.46 443276 1121924 12 18:50:01 78720 0 662228 35.20 2620 1137988 1500516 51.21 482108 1153724 84780 Average: 145674 0 592524 31.49 2620 1140738 1162587 39.68 444920 1130803 12123 18:43:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:44:01 eth0 46.06 36.13 46.73 49.98 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 9.38 7.64 1.20 18.69 0.00 0.00 0.00 0.00 18:45:02 eth0 3.48 0.73 1.00 0.55 0.00 0.00 0.00 0.00 18:45:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:46:01 eth0 1.80 0.30 0.36 0.23 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 0.42 0.38 0.22 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 1.63 0.43 0.45 0.27 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 18:49:01 eth0 0.58 0.28 0.33 0.20 0.00 0.00 0.00 0.00 18:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 eth0 78.84 67.15 732.80 7.79 0.00 0.00 0.00 0.00 18:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 19.12 15.05 112.16 8.38 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 1.32 1.08 0.17 2.64 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) 18:41:57 LINUX RESTART (4 CPU) 18:43:02 CPU %user %nice %system %iowait %steal %idle 18:44:01 all 1.82 0.00 0.96 0.57 0.01 96.63 18:44:01 0 1.78 0.00 1.00 0.12 0.00 97.10 18:44:01 1 1.43 0.00 0.85 0.97 0.00 96.76 18:44:01 2 2.44 0.00 0.98 0.46 0.02 96.10 18:44:01 3 1.63 0.00 1.02 0.75 0.02 96.59 18:45:02 all 0.15 0.00 0.05 0.00 0.00 99.80 18:45:02 0 0.05 0.00 0.03 0.00 0.00 99.92 18:45:02 1 0.03 0.00 0.05 0.00 0.00 99.92 18:45:02 2 0.45 0.00 0.03 0.00 0.00 99.52 18:45:02 3 0.05 0.00 0.08 0.00 0.00 99.87 18:46:01 all 0.19 0.00 0.04 0.00 0.00 99.77 18:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:46:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:46:01 2 0.56 0.00 0.05 0.00 0.00 99.39 18:46:01 3 0.14 0.00 0.03 0.00 0.00 99.83 18:47:01 all 0.16 0.00 0.02 0.00 0.00 99.82 18:47:01 0 0.02 0.00 0.00 0.00 0.00 99.98 18:47:01 1 0.05 0.00 0.03 0.00 0.02 99.90 18:47:01 2 0.52 0.00 0.02 0.00 0.00 99.47 18:47:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:48:01 all 0.15 0.00 0.03 0.00 0.00 99.81 18:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:48:01 1 0.05 0.00 0.07 0.00 0.00 99.88 18:48:01 2 0.52 0.00 0.02 0.00 0.00 99.47 18:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:49:01 all 0.15 0.00 0.03 0.00 0.00 99.81 18:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:49:01 1 0.02 0.00 0.03 0.00 0.00 99.95 18:49:01 2 0.53 0.00 0.02 0.00 0.02 99.43 18:49:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:50:01 all 1.78 0.00 0.84 0.78 0.01 96.60 18:50:01 0 1.17 0.00 0.88 0.32 0.02 97.61 18:50:01 1 1.25 0.00 0.72 0.45 0.00 97.58 18:50:01 2 2.17 0.00 0.77 0.93 0.00 96.13 18:50:01 3 2.53 0.00 0.99 1.40 0.02 95.07 Average: all 0.63 0.00 0.28 0.19 0.00 98.90 Average: 0 0.44 0.00 0.28 0.06 0.00 99.21 Average: 1 0.41 0.00 0.25 0.20 0.00 99.13 Average: 2 1.02 0.00 0.27 0.20 0.00 98.50 Average: 3 0.63 0.00 0.32 0.31 0.00 98.74