---> uname -a: Linux ceabcb987fdc 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dgexfoundry_device-sdk-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dgexfoundry_device-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 771 112 0 954 997 Swap: 1023 3 1020 ---> 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 16: eth0@if17: 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) 08/17/20 _x86_64_ (4 CPU) 06:29:59 LINUX RESTART 06:31:02 tps rtps wtps bread/s bwrtn/s 06:32:01 19.13 4.06 15.07 976.63 2050.66 06:33:01 0.40 0.00 0.40 0.00 5.91 06:34:01 0.25 0.00 0.25 0.00 2.58 06:35:01 0.18 0.00 0.18 0.00 2.15 06:36:01 0.32 0.00 0.32 0.00 5.03 06:37:01 239.67 150.29 89.38 6711.50 31182.49 06:38:01 254.68 123.53 131.15 8345.61 32541.19 Average: 73.68 39.80 33.88 2294.64 9420.06 06:31:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:32:01 164544 1717012 91.25 2620 1136496 1126184 38.43 400584 1156896 20 06:33:01 168844 1712712 91.03 2620 1136500 1082792 36.95 400728 1152928 8 06:34:01 168732 1712824 91.03 2620 1136508 1082792 36.95 401088 1152732 8 06:35:01 166192 1715364 91.17 2620 1136508 1083068 36.96 404292 1152204 12 06:36:01 167560 1713996 91.09 2620 1136512 1082940 36.96 412604 1143004 20 06:37:01 111832 1769724 94.06 2620 1051792 1888400 64.45 593560 977152 40 06:38:01 88356 1793200 95.30 1492 1044328 1141780 38.97 629984 874772 88 Average: 148009 1733547 92.13 2459 1111235 1212565 41.38 463263 1087098 28 06:31:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:32:01 eth0 36.42 30.19 42.11 41.85 0.00 0.00 0.00 06:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:32:01 docker0 8.13 6.06 1.01 17.89 0.00 0.00 0.00 06:33:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 06:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:34:01 eth0 1.33 0.08 0.12 0.01 0.00 0.00 0.00 06:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:35:01 eth0 0.93 0.87 0.57 0.41 0.00 0.00 0.00 06:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:36:01 eth0 0.22 0.20 0.08 0.07 0.00 0.00 0.00 06:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:37:01 vetha3cf55a 0.00 0.02 0.00 0.00 0.00 0.00 0.00 06:37:01 eth0 617.05 395.92 4956.44 125.48 0.00 0.00 0.00 06:37:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 06:37:01 docker0 26.59 23.72 2.98 62.48 0.00 0.00 0.00 06:38:01 eth0 224.85 164.75 3430.78 80.35 0.00 0.00 0.00 06:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:38:01 docker0 28.01 33.18 1.72 186.44 0.00 0.00 0.00 Average: eth0 63.25 45.86 1047.84 20.16 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.82 8.15 0.67 35.66 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) 08/17/20 _x86_64_ (4 CPU) 06:29:59 LINUX RESTART 06:31:02 CPU %user %nice %system %iowait %steal %idle 06:32:01 all 1.60 0.00 0.89 0.58 0.00 96.94 06:32:01 0 1.90 0.00 0.98 0.05 0.00 97.06 06:32:01 1 1.31 0.00 0.87 0.41 0.00 97.42 06:32:01 2 1.65 0.00 0.83 1.36 0.00 96.17 06:32:01 3 1.53 0.00 0.92 0.44 0.02 97.10 06:33:01 all 0.14 0.00 0.03 0.00 0.00 99.83 06:33:01 0 0.43 0.00 0.02 0.00 0.00 99.55 06:33:01 1 0.07 0.00 0.05 0.00 0.00 99.88 06:33:01 2 0.03 0.00 0.03 0.00 0.00 99.93 06:33:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:34:01 all 0.15 0.00 0.02 0.00 0.00 99.82 06:34:01 0 0.50 0.00 0.03 0.00 0.00 99.47 06:34:01 1 0.05 0.00 0.03 0.00 0.00 99.92 06:34:01 2 0.03 0.00 0.03 0.00 0.00 99.93 06:34:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:35:01 all 0.16 0.00 0.03 0.00 0.00 99.81 06:35:01 0 0.52 0.00 0.02 0.00 0.00 99.47 06:35:01 1 0.05 0.00 0.02 0.00 0.00 99.93 06:35:01 2 0.03 0.00 0.03 0.00 0.00 99.93 06:35:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:36:01 all 0.17 0.00 0.07 0.00 0.00 99.75 06:36:01 0 0.52 0.00 0.03 0.00 0.00 99.45 06:36:01 1 0.08 0.00 0.07 0.00 0.02 99.83 06:36:01 2 0.07 0.00 0.17 0.00 0.00 99.77 06:36:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:37:01 all 7.41 0.00 4.08 2.60 0.00 85.91 06:37:01 0 7.85 0.00 4.26 3.29 0.00 84.60 06:37:01 1 6.77 0.00 3.92 2.34 0.00 86.97 06:37:01 2 7.89 0.00 4.40 2.81 0.02 84.88 06:37:01 3 7.11 0.00 3.72 2.00 0.00 87.17 06:38:01 all 11.25 0.00 6.84 3.73 0.02 78.17 06:38:01 0 13.12 0.00 7.31 3.86 0.02 75.70 06:38:01 1 11.04 0.00 6.94 5.14 0.02 76.86 06:38:01 2 10.71 0.00 6.99 3.45 0.02 78.84 06:38:01 3 10.12 0.00 6.13 2.45 0.02 81.28 Average: all 2.97 0.00 1.70 0.98 0.00 94.34 Average: 0 3.53 0.00 1.80 1.02 0.00 93.64 Average: 1 2.76 0.00 1.69 1.12 0.00 94.42 Average: 2 2.90 0.00 1.78 1.08 0.00 94.23 Average: 3 2.68 0.00 1.54 0.69 0.00 95.08