---> uname -a: Linux 05e5bcf8092b 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 775 107 0 953 994 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) 07/21/20 _x86_64_ (4 CPU) 03:06:21 LINUX RESTART 03:07:01 tps rtps wtps bread/s bwrtn/s 03:08:01 49.98 13.82 36.16 4661.21 2692.01 03:09:01 1.70 0.00 1.70 0.00 31.15 03:10:01 0.25 0.00 0.25 0.00 2.98 03:11:01 0.20 0.00 0.20 0.00 1.75 03:12:01 0.35 0.00 0.35 0.00 5.61 03:13:01 0.35 0.00 0.35 0.00 4.76 03:14:01 0.34 0.02 0.32 0.14 3.56 03:15:01 0.22 0.00 0.22 0.00 2.56 03:16:01 248.44 159.90 88.55 7075.61 31210.84 03:17:01 253.65 122.70 130.94 8399.33 32334.04 Average: 55.66 29.70 25.96 2017.69 6642.57 03:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:08:01 155640 1725916 91.73 2620 1139512 1119176 38.20 426788 1138956 20 03:09:01 161692 1719864 91.41 2620 1139516 1072540 36.60 426564 1134112 8 03:10:01 161124 1720432 91.44 2620 1139524 1072696 36.61 427556 1134112 8 03:11:01 159920 1721636 91.50 2620 1139524 1072540 36.60 428556 1133748 8 03:12:01 159596 1721960 91.52 2620 1139528 1072624 36.61 434148 1128632 16 03:13:01 159172 1722384 91.54 2620 1139536 1072784 36.61 434784 1128632 8 03:14:01 160064 1721492 91.49 2620 1139540 1072604 36.61 433832 1128632 8 03:15:01 159600 1721956 91.52 2620 1139548 1072712 36.61 430408 1132672 8 03:16:01 139160 1742396 92.60 2620 1066784 1521600 51.93 566852 979352 44 03:17:01 74780 1806776 96.03 1712 1040108 1316976 44.95 644856 872900 1652 Average: 149075 1732481 92.08 2529 1122312 1146625 39.13 465434 1091175 178 03:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:08:01 eth0 240.54 159.64 586.97 73.11 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 7.81 6.08 1.19 18.07 0.00 0.00 0.00 03:09:01 eth0 0.68 0.03 0.06 0.00 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 3.55 1.98 3.19 0.31 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 1.00 0.17 0.14 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 03:13:01 eth0 0.62 0.42 0.33 0.14 0.00 0.00 0.00 03:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:14:01 eth0 0.08 0.10 0.01 0.07 0.00 0.00 0.00 03:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:15:01 eth0 0.52 0.30 0.27 0.20 0.00 0.00 0.00 03:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 vethdfdbdc3 0.00 0.08 0.00 0.01 0.00 0.00 0.00 03:16:01 eth0 715.47 458.47 4968.92 130.39 0.00 0.00 0.00 03:16:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 03:16:01 docker0 26.22 22.64 3.13 63.25 0.00 0.00 0.00 03:17:01 eth0 218.84 174.23 3447.44 81.13 0.00 0.00 0.00 03:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 docker0 37.68 38.63 2.85 174.66 0.00 0.00 0.00 Average: eth0 62.76 45.98 790.28 17.61 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.40 6.14 0.60 23.84 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) 07/21/20 _x86_64_ (4 CPU) 03:06:21 LINUX RESTART 03:07:01 CPU %user %nice %system %iowait %steal %idle 03:08:01 all 4.84 0.00 1.89 1.73 0.01 91.54 03:08:01 0 4.00 0.00 2.26 0.77 0.02 92.95 03:08:01 1 5.15 0.00 1.50 0.62 0.02 92.71 03:08:01 2 4.79 0.00 1.87 0.59 0.00 92.75 03:08:01 3 5.43 0.00 1.89 4.96 0.00 87.72 03:09:01 all 0.15 0.00 0.04 0.00 0.00 99.82 03:09:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:09:01 1 0.17 0.00 0.03 0.00 0.00 99.80 03:09:01 2 0.35 0.00 0.05 0.00 0.00 99.60 03:09:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:10:01 all 0.05 0.00 0.04 0.00 0.00 99.91 03:10:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:10:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:10:01 2 0.10 0.00 0.07 0.00 0.00 99.83 03:10:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:11:01 all 0.06 0.00 0.03 0.00 0.00 99.90 03:11:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:11:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:11:01 2 0.20 0.00 0.07 0.00 0.00 99.73 03:11:01 3 0.02 0.00 0.03 0.00 0.00 99.95 03:12:01 all 0.16 0.00 0.03 0.00 0.00 99.80 03:12:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:12:01 1 0.05 0.00 0.08 0.00 0.00 99.87 03:12:01 2 0.53 0.00 0.02 0.00 0.00 99.45 03:12:01 3 0.02 0.00 0.00 0.00 0.00 99.98 03:13:01 all 0.15 0.00 0.02 0.00 0.00 99.83 03:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:13:01 1 0.03 0.00 0.07 0.00 0.00 99.90 03:13:01 2 0.53 0.00 0.03 0.00 0.00 99.43 03:13:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:14:01 all 0.16 0.00 0.03 0.00 0.00 99.81 03:14:01 0 0.00 0.00 0.00 0.00 0.00 100.00 03:14:01 1 0.03 0.00 0.05 0.00 0.00 99.92 03:14:01 2 0.56 0.00 0.02 0.00 0.00 99.42 03:14:01 3 0.02 0.00 0.02 0.00 0.00 99.97 03:15:01 all 0.15 0.00 0.02 0.00 0.00 99.83 03:15:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:15:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:15:01 2 0.53 0.00 0.03 0.00 0.00 99.43 03:15:01 3 0.00 0.00 0.02 0.00 0.00 99.98 03:16:01 all 7.66 0.00 4.20 2.32 0.01 85.81 03:16:01 0 7.17 0.00 4.82 3.37 0.00 84.64 03:16:01 1 7.70 0.00 3.80 2.84 0.02 85.65 03:16:01 2 7.68 0.00 4.03 1.56 0.02 86.71 03:16:01 3 8.08 0.00 4.18 1.50 0.03 86.21 03:17:01 all 10.77 0.00 6.88 4.11 0.02 78.24 03:17:01 0 10.42 0.00 6.05 4.41 0.03 79.08 03:17:01 1 9.98 0.00 6.81 2.90 0.03 80.28 03:17:01 2 11.80 0.00 6.92 2.14 0.00 79.14 03:17:01 3 10.89 0.00 7.69 6.99 0.00 74.44 Average: all 2.40 0.00 1.31 0.81 0.00 95.47 Average: 0 2.16 0.00 1.32 0.85 0.01 95.67 Average: 1 2.31 0.00 1.24 0.63 0.01 95.81 Average: 2 2.70 0.00 1.30 0.43 0.00 95.57 Average: 3 2.44 0.00 1.38 1.34 0.00 94.84