---> uname -a: Linux fa731ca9e1e1 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 771 108 0 957 998 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) 06/16/20 _x86_64_ (4 CPU) 07:07:34 LINUX RESTART 07:08:02 tps rtps wtps bread/s bwrtn/s 07:09:01 107.99 42.51 65.48 7669.11 15516.18 07:10:01 2.20 0.00 2.20 0.00 45.89 07:11:01 0.40 0.00 0.40 0.00 5.70 07:12:01 0.28 0.00 0.28 0.00 3.20 07:13:01 0.20 0.00 0.20 0.00 2.83 07:14:01 177.82 112.40 65.42 4779.49 30383.23 07:15:01 263.70 118.26 145.45 6276.32 32861.96 Average: 78.89 39.02 39.87 2663.89 11252.36 07:08:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:09:01 153204 1728352 91.86 2620 1147200 1121792 38.28 451404 1116116 120 07:10:01 157848 1723708 91.61 2620 1147232 1080196 36.87 449244 1114160 20 07:11:01 157940 1723616 91.61 2620 1147240 1080244 36.87 449708 1114148 8 07:12:01 154668 1726888 91.78 2620 1147240 1080292 36.87 453796 1113488 8 07:13:01 155864 1725692 91.72 2620 1147248 1080116 36.86 461480 1104828 8 07:14:01 74940 1806616 96.02 2620 1132928 1566384 53.46 485632 1125248 24 07:15:01 214092 1667464 88.62 1512 929252 1322496 45.13 623436 759172 52 Average: 152651 1728905 91.89 2462 1114049 1190217 40.62 482100 1063880 34 07:08:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:09:01 eth0 472.96 259.96 1083.69 103.70 0.00 0.00 0.00 07:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:09:01 docker0 8.73 7.02 1.23 18.07 0.00 0.00 0.00 07:10:01 eth0 3.78 1.68 3.08 0.27 0.00 0.00 0.00 07:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:11:01 eth0 0.98 0.27 0.32 0.20 0.00 0.00 0.00 07:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 eth0 0.55 0.45 0.28 0.24 0.00 0.00 0.00 07:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 07:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 vethfcd23f9 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 vethbb8dd47 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:14:01 eth0 622.69 366.47 4881.54 117.49 0.00 0.00 0.00 07:14:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 07:15:01 eth0 294.86 231.09 3476.68 86.65 0.00 0.00 0.00 07:15:01 vethdba3af8 1.93 1.55 0.39 0.41 0.00 0.00 0.00 07:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:15:01 docker0 57.25 60.09 5.18 224.34 0.00 0.00 0.00 Average: eth0 128.64 82.80 1191.20 28.96 0.00 0.00 0.00 Average: vethdba3af8 0.28 0.22 0.06 0.06 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.20 8.61 0.74 32.14 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) 06/16/20 _x86_64_ (4 CPU) 07:07:34 LINUX RESTART 07:08:02 CPU %user %nice %system %iowait %steal %idle 07:09:01 all 15.73 0.00 6.34 5.61 0.03 72.28 07:09:01 0 15.71 0.00 7.21 3.66 0.02 73.40 07:09:01 1 16.87 0.00 5.46 4.61 0.03 73.02 07:09:01 2 15.85 0.00 6.18 7.46 0.05 70.45 07:09:01 3 14.50 0.00 6.48 6.72 0.03 72.26 07:10:01 all 0.21 0.00 0.05 0.00 0.00 99.74 07:10:01 0 0.12 0.00 0.07 0.00 0.00 99.82 07:10:01 1 0.27 0.00 0.03 0.00 0.00 99.70 07:10:01 2 0.37 0.00 0.07 0.00 0.00 99.57 07:10:01 3 0.07 0.00 0.03 0.00 0.00 99.90 07:11:01 all 0.17 0.00 0.03 0.00 0.00 99.80 07:11:01 0 0.05 0.00 0.02 0.00 0.00 99.93 07:11:01 1 0.53 0.00 0.03 0.00 0.00 99.43 07:11:01 2 0.05 0.00 0.03 0.00 0.00 99.92 07:11:01 3 0.05 0.00 0.03 0.00 0.00 99.92 07:12:01 all 0.16 0.00 0.04 0.00 0.00 99.80 07:12:01 0 0.03 0.00 0.02 0.00 0.00 99.95 07:12:01 1 0.52 0.00 0.05 0.00 0.00 99.43 07:12:01 2 0.08 0.00 0.05 0.00 0.02 99.85 07:12:01 3 0.02 0.00 0.03 0.00 0.00 99.95 07:13:01 all 0.10 0.00 0.05 0.00 0.01 99.84 07:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:13:01 1 0.28 0.00 0.12 0.00 0.00 99.60 07:13:01 2 0.05 0.00 0.07 0.00 0.02 99.87 07:13:01 3 0.03 0.00 0.02 0.00 0.00 99.95 07:14:01 all 6.28 0.00 3.56 1.11 0.01 89.04 07:14:01 0 6.13 0.00 4.01 0.50 0.02 89.33 07:14:01 1 6.67 0.00 3.26 1.43 0.02 88.62 07:14:01 2 6.28 0.00 3.59 1.14 0.00 88.99 07:14:01 3 6.06 0.00 3.36 1.34 0.02 89.22 07:15:01 all 12.14 0.00 8.13 4.57 0.05 75.11 07:15:01 0 11.00 0.00 8.51 4.99 0.05 75.44 07:15:01 1 14.22 0.00 7.93 3.53 0.07 74.25 07:15:01 2 11.79 0.00 8.02 7.27 0.05 72.86 07:15:01 3 11.53 0.00 8.07 2.49 0.03 77.88 Average: all 4.91 0.00 2.57 1.59 0.01 90.91 Average: 0 4.67 0.00 2.81 1.29 0.01 91.22 Average: 1 5.57 0.00 2.39 1.35 0.02 90.67 Average: 2 4.87 0.00 2.55 2.24 0.02 90.32 Average: 3 4.55 0.00 2.54 1.48 0.01 91.41