---> uname -a: Linux f469aeb1c487 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 7.2G 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-553 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 656 115 0 1065 1075 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) 07/28/20 _x86_64_ (4 CPU) 03:06:03 LINUX RESTART 03:07:01 tps rtps wtps bread/s bwrtn/s 03:08:01 6.38 2.10 4.28 110.46 197.42 03:09:01 1.78 0.00 1.78 0.00 31.41 03:10:01 0.25 0.00 0.25 0.00 4.36 03:11:01 0.37 0.00 0.37 0.00 6.36 03:12:01 0.28 0.00 0.28 0.00 5.01 Average: 1.81 0.42 1.39 22.09 48.91 03:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:08:01 167488 1714068 91.10 2620 1135628 1121968 38.29 449688 1103840 20 03:09:01 174524 1707032 90.72 2620 1135632 1080260 36.87 447168 1101352 20 03:10:01 173408 1708148 90.78 2620 1135640 1080416 36.87 448060 1101352 16 03:11:01 173516 1708040 90.78 2620 1135640 1080188 36.86 454572 1094616 16 03:12:01 170700 1710856 90.93 2620 1135648 1080248 36.87 459628 1092524 20 Average: 171927 1709629 90.86 2620 1135638 1088616 37.15 451823 1098737 18 03:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:08:01 eth0 13.36 9.56 6.53 29.13 0.00 0.00 0.00 03:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 03:09:01 eth0 3.18 0.92 2.92 0.06 0.00 0.00 0.00 03:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 eth0 1.05 0.57 0.55 0.40 0.00 0.00 0.00 03:10:01 lo 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 03:11:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 03:11:01 lo 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 03:12:01 eth0 0.17 0.12 0.08 0.07 0.00 0.00 0.00 03:12:01 lo 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 Average: eth0 3.57 2.25 2.02 5.93 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) 07/28/20 _x86_64_ (4 CPU) 03:06:03 LINUX RESTART 03:07:01 CPU %user %nice %system %iowait %steal %idle 03:08:01 all 0.64 0.00 0.15 0.14 0.00 99.07 03:08:01 0 0.58 0.00 0.25 0.07 0.00 99.10 03:08:01 1 0.47 0.00 0.12 0.02 0.00 99.40 03:08:01 2 0.87 0.00 0.13 0.43 0.00 98.57 03:08:01 3 0.67 0.00 0.08 0.03 0.00 99.22 03:09:01 all 0.17 0.00 0.04 0.00 0.00 99.79 03:09:01 0 0.07 0.00 0.05 0.00 0.00 99.88 03:09:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:09:01 2 0.50 0.00 0.03 0.00 0.00 99.47 03:09:01 3 0.07 0.00 0.05 0.00 0.00 99.88 03:10:01 all 0.15 0.00 0.03 0.00 0.00 99.82 03:10:01 0 0.07 0.00 0.03 0.00 0.00 99.90 03:10:01 1 0.00 0.00 0.02 0.00 0.00 99.98 03:10:01 2 0.47 0.00 0.05 0.00 0.00 99.48 03:10:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:11:01 all 0.15 0.00 0.03 0.00 0.00 99.83 03:11:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:11:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:11:01 2 0.52 0.00 0.03 0.00 0.00 99.45 03:11:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:12:01 all 0.15 0.00 0.04 0.00 0.00 99.80 03:12:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:12:01 1 0.02 0.00 0.03 0.00 0.00 99.95 03:12:01 2 0.52 0.00 0.03 0.00 0.00 99.45 03:12:01 3 0.03 0.00 0.05 0.00 0.00 99.92 Average: all 0.25 0.00 0.06 0.03 0.00 99.66 Average: 0 0.15 0.00 0.08 0.01 0.00 99.75 Average: 1 0.11 0.00 0.04 0.00 0.00 99.85 Average: 2 0.57 0.00 0.06 0.09 0.00 99.28 Average: 3 0.17 0.00 0.05 0.01 0.00 99.77