---> uname -a: Linux 2b0b6709ab09 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: 2933.396 BogoMIPS: 5866.79 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% /var/log/sa /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 ---> free -m: total used free shared buff/cache available Mem: 1837 672 125 0 1040 1059 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) 08/26/20 _x86_64_ (4 CPU) 05:59:49 LINUX RESTART 06:01:01 tps rtps wtps bread/s bwrtn/s 06:02:01 2.55 0.07 2.48 1.47 53.33 06:03:01 0.50 0.00 0.50 0.00 6.98 06:04:01 0.18 0.00 0.18 0.00 2.17 06:05:01 0.27 0.00 0.27 0.00 3.48 06:06:01 0.30 0.00 0.30 0.00 4.03 Average: 0.76 0.01 0.75 0.29 14.00 06:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:02:01 149888 1731668 92.03 2620 1141452 1092720 37.29 460608 1111756 8 06:03:01 150972 1730584 91.98 2620 1141460 1077480 36.77 462404 1109432 20 06:04:01 152000 1729556 91.92 2620 1141464 1077300 36.77 461344 1109428 12 06:05:01 149732 1731824 92.04 2620 1141464 1077556 36.78 473576 1099444 8 06:06:01 150392 1731164 92.01 2620 1141472 1077448 36.77 473136 1099444 8 Average: 150597 1730959 92.00 2620 1141462 1080501 36.88 466214 1105901 11 06:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:02:01 eth0 3.50 1.95 2.91 0.15 0.00 0.00 0.00 06:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 eth0 0.80 0.50 0.33 0.18 0.00 0.00 0.00 06:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 eth0 0.92 0.10 0.09 0.04 0.00 0.00 0.00 06:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 eth0 1.08 0.72 0.58 0.40 0.00 0.00 0.00 06:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 eth0 0.27 0.20 0.14 0.07 0.00 0.00 0.00 06:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.31 0.69 0.81 0.17 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) 08/26/20 _x86_64_ (4 CPU) 05:59:49 LINUX RESTART 06:01:01 CPU %user %nice %system %iowait %steal %idle 06:02:01 all 0.19 0.00 0.06 0.00 0.00 99.75 06:02:01 0 0.33 0.00 0.08 0.00 0.00 99.58 06:02:01 1 0.07 0.00 0.03 0.02 0.00 99.88 06:02:01 2 0.32 0.00 0.07 0.00 0.00 99.62 06:02:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:03:01 all 0.15 0.00 0.03 0.00 0.00 99.82 06:03:01 0 0.03 0.00 0.03 0.00 0.00 99.93 06:03:01 1 0.03 0.00 0.03 0.00 0.00 99.93 06:03:01 2 0.52 0.00 0.05 0.00 0.00 99.43 06:03:01 3 0.02 0.00 0.02 0.00 0.00 99.97 06:04:01 all 0.14 0.00 0.03 0.00 0.00 99.84 06:04:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:04:01 1 0.03 0.00 0.03 0.00 0.00 99.93 06:04:01 2 0.48 0.00 0.03 0.00 0.00 99.48 06:04:01 3 0.02 0.00 0.02 0.00 0.00 99.97 06:05:01 all 0.15 0.00 0.04 0.00 0.00 99.80 06:05:01 0 0.03 0.00 0.05 0.00 0.00 99.92 06:05:01 1 0.03 0.00 0.05 0.00 0.00 99.92 06:05:01 2 0.48 0.00 0.07 0.00 0.00 99.45 06:05:01 3 0.07 0.00 0.02 0.00 0.00 99.92 06:06:01 all 0.13 0.00 0.03 0.00 0.00 99.83 06:06:01 0 0.02 0.00 0.00 0.00 0.00 99.98 06:06:01 1 0.07 0.00 0.03 0.00 0.00 99.90 06:06:01 2 0.42 0.00 0.07 0.00 0.00 99.52 06:06:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.15 0.00 0.04 0.00 0.00 99.81 Average: 0 0.09 0.00 0.04 0.00 0.00 99.88 Average: 1 0.05 0.00 0.04 0.00 0.00 99.91 Average: 2 0.44 0.00 0.06 0.00 0.00 99.50 Average: 3 0.03 0.00 0.02 0.00 0.00 99.95