---> uname -a: Linux bf377f694c14 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 7.2G 42.8G 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-570@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-570 ---> free -m: total used free shared buff/cache available Mem: 1837 635 122 0 1080 1096 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) 09/01/20 _x86_64_ (4 CPU) 18:42:46 LINUX RESTART 18:44:01 tps rtps wtps bread/s bwrtn/s 18:45:01 3.76 0.67 3.10 55.41 98.40 18:46:01 0.37 0.00 0.37 0.00 5.28 18:47:01 0.28 0.00 0.28 0.00 3.51 18:48:01 0.28 0.00 0.28 0.00 3.25 18:49:01 0.25 0.00 0.25 0.00 3.51 Average: 0.99 0.13 0.86 11.08 22.79 18:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:45:01 186124 1695432 90.11 2620 1145972 1118936 38.19 377280 1158380 16 18:46:01 188324 1693232 89.99 2620 1145976 1068628 36.47 378536 1155364 12 18:47:01 185388 1696168 90.15 2620 1145980 1068808 36.48 381668 1155344 8 18:48:01 183528 1698028 90.25 2620 1145984 1068796 36.48 388268 1150724 16 18:49:01 182300 1699256 90.31 2620 1145988 1068700 36.47 392800 1147440 16 Average: 185133 1696423 90.16 2620 1145980 1078774 36.82 383710 1153450 14 18:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:45:01 eth0 8.19 5.53 3.65 19.92 0.00 0.00 0.00 18:45:01 lo 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 18:46:01 eth0 0.65 0.10 0.04 0.04 0.00 0.00 0.00 18:46:01 lo 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 18:47:01 eth0 0.68 0.45 0.29 0.21 0.00 0.00 0.00 18:47:01 lo 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 18:48:01 eth0 0.97 0.30 0.32 0.17 0.00 0.00 0.00 18:48:01 lo 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 18:49:01 eth0 0.32 0.20 0.14 0.10 0.00 0.00 0.00 18:49:01 lo 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 Average: eth0 2.16 1.32 0.89 4.09 0.00 0.00 0.00 Average: lo 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 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/01/20 _x86_64_ (4 CPU) 18:42:46 LINUX RESTART 18:44:01 CPU %user %nice %system %iowait %steal %idle 18:45:01 all 0.36 0.00 0.08 0.00 0.08 99.47 18:45:01 0 0.25 0.00 0.07 0.00 0.10 99.58 18:45:01 1 0.45 0.00 0.07 0.02 0.05 99.42 18:45:01 2 0.32 0.00 0.05 0.00 0.07 99.57 18:45:01 3 0.42 0.00 0.15 0.00 0.10 99.33 18:46:01 all 0.12 0.00 0.04 0.00 0.07 99.77 18:46:01 0 0.03 0.00 0.03 0.00 0.02 99.92 18:46:01 1 0.07 0.00 0.03 0.00 0.03 99.87 18:46:01 2 0.03 0.00 0.05 0.00 0.17 99.75 18:46:01 3 0.37 0.00 0.03 0.00 0.07 99.53 18:47:01 all 0.12 0.00 0.02 0.00 0.07 99.78 18:47:01 0 0.03 0.00 0.02 0.00 0.10 99.85 18:47:01 1 0.03 0.00 0.02 0.00 0.02 99.93 18:47:01 2 0.03 0.00 0.03 0.00 0.17 99.77 18:47:01 3 0.40 0.00 0.03 0.00 0.03 99.53 18:48:01 all 0.11 0.00 0.04 0.00 0.03 99.82 18:48:01 0 0.03 0.00 0.05 0.00 0.03 99.88 18:48:01 1 0.03 0.00 0.03 0.00 0.02 99.92 18:48:01 2 0.02 0.00 0.03 0.00 0.05 99.90 18:48:01 3 0.35 0.00 0.05 0.00 0.02 99.58 18:49:01 all 0.11 0.00 0.05 0.00 0.08 99.76 18:49:01 0 0.02 0.00 0.02 0.00 0.08 99.88 18:49:01 1 0.03 0.00 0.03 0.00 0.17 99.77 18:49:01 2 0.05 0.00 0.10 0.00 0.02 99.83 18:49:01 3 0.33 0.00 0.03 0.00 0.07 99.57 Average: all 0.17 0.00 0.05 0.00 0.07 99.72 Average: 0 0.07 0.00 0.04 0.00 0.07 99.82 Average: 1 0.12 0.00 0.04 0.00 0.06 99.78 Average: 2 0.09 0.00 0.05 0.00 0.09 99.76 Average: 3 0.37 0.00 0.06 0.00 0.06 99.51