---> uname -a: Linux 3a3e1b71f9de 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: 2933.438 BogoMIPS: 5866.87 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 806 123 0 907 961 Swap: 1023 4 1019 ---> 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) 08/19/20 _x86_64_ (4 CPU) 20:28:29 LINUX RESTART 20:30:01 tps rtps wtps bread/s bwrtn/s 20:31:01 7.54 2.11 5.43 110.94 210.79 20:32:01 0.30 0.00 0.30 0.00 4.60 20:33:01 0.28 0.00 0.28 0.00 3.36 20:34:02 0.23 0.00 0.23 0.00 3.03 20:35:01 25.58 2.42 23.16 392.01 15098.88 20:36:01 380.64 201.53 179.11 8658.53 43032.01 20:37:01 138.99 88.19 50.80 6818.21 12656.48 Average: 79.30 42.18 37.12 2290.16 10141.57 20:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:31:01 159724 1721832 91.51 2620 1114092 1162268 39.67 427648 1131636 20 20:32:01 171152 1710404 90.90 2620 1114096 1066532 36.40 422684 1127340 8 20:33:01 171000 1710556 90.91 2620 1114104 1066352 36.39 423600 1126724 20 20:34:02 169604 1711952 90.99 2620 1114104 1066424 36.40 431776 1119524 8 20:35:01 74772 1806784 96.03 2620 1125084 1499492 51.17 604792 1031848 59640 20:36:01 114472 1767084 93.92 2524 986648 1315508 44.90 589968 904696 64484 20:37:01 101976 1779580 94.58 1492 957540 1564452 53.39 685052 816284 50936 Average: 137529 1744027 92.69 2445 1075095 1248718 42.62 512217 1036865 25017 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:31:01 eth0 26.32 24.82 36.42 41.72 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 6.13 4.54 0.89 18.06 0.00 0.00 0.00 20:32:01 eth0 1.77 1.17 2.81 0.08 0.00 0.00 0.00 20:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 eth0 0.92 0.38 0.31 0.20 0.00 0.00 0.00 20:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:02 eth0 0.33 0.30 0.28 0.20 0.00 0.00 0.00 20:34:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 eth0 104.03 57.50 3818.06 6.73 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 eth0 166.06 113.86 3268.89 69.87 0.00 0.00 0.00 20:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 docker0 21.51 18.96 2.28 47.16 0.00 0.00 0.00 20:37:01 eth0 230.27 130.66 2566.35 71.08 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 docker0 28.55 46.61 1.73 186.94 0.00 0.00 0.00 Average: eth0 75.68 46.97 1379.96 27.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.05 10.05 0.70 36.16 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) 08/19/20 _x86_64_ (4 CPU) 20:28:29 LINUX RESTART 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:31:01 all 1.36 0.00 0.82 0.07 3.90 93.86 20:31:01 0 0.62 0.00 0.52 0.05 4.59 94.22 20:31:01 1 2.07 0.00 1.11 0.08 3.65 93.09 20:31:01 2 1.00 0.00 0.95 0.08 4.06 93.91 20:31:01 3 1.79 0.00 0.73 0.03 3.26 94.20 20:32:01 all 0.15 0.00 0.06 0.00 0.28 99.50 20:32:01 0 0.03 0.00 0.07 0.00 0.25 99.65 20:32:01 1 0.17 0.00 0.07 0.00 0.33 99.43 20:32:01 2 0.37 0.00 0.03 0.00 0.22 99.38 20:32:01 3 0.05 0.00 0.07 0.00 0.33 99.55 20:33:01 all 0.14 0.00 0.03 0.00 0.14 99.69 20:33:01 0 0.02 0.00 0.02 0.00 0.10 99.87 20:33:01 1 0.07 0.00 0.05 0.00 0.17 99.72 20:33:01 2 0.43 0.00 0.05 0.00 0.25 99.27 20:33:01 3 0.03 0.00 0.02 0.00 0.05 99.90 20:34:02 all 0.08 0.00 0.05 0.00 0.13 99.74 20:34:02 0 0.02 0.00 0.02 0.00 0.02 99.95 20:34:02 1 0.20 0.00 0.03 0.00 0.17 99.60 20:34:02 2 0.05 0.00 0.10 0.00 0.13 99.72 20:34:02 3 0.07 0.00 0.07 0.00 0.20 99.67 20:35:01 all 2.17 0.00 1.27 0.13 4.47 91.95 20:35:01 0 2.11 0.00 1.17 0.29 4.60 91.84 20:35:01 1 2.51 0.00 1.00 0.00 4.96 91.53 20:35:01 2 2.13 0.00 1.65 0.05 4.34 91.82 20:35:01 3 1.94 0.00 1.21 0.19 4.00 92.66 20:36:01 all 9.40 0.00 6.96 2.62 17.45 63.56 20:36:01 0 8.27 0.00 5.74 3.70 18.18 64.12 20:36:01 1 10.71 0.00 8.92 2.09 17.50 60.78 20:36:01 2 9.61 0.00 7.06 1.70 17.34 64.28 20:36:01 3 9.07 0.00 6.19 2.97 16.75 65.02 20:37:01 all 5.48 0.00 4.43 2.78 10.24 77.08 20:37:01 0 6.44 0.00 4.42 0.92 10.41 77.81 20:37:01 1 4.80 0.00 4.46 3.61 10.61 76.52 20:37:01 2 6.85 0.00 4.83 1.60 9.81 76.91 20:37:01 3 3.86 0.00 3.99 4.96 10.10 77.09 Average: all 2.69 0.00 1.95 0.81 5.25 89.30 Average: 0 2.52 0.00 1.72 0.72 5.50 89.55 Average: 1 2.93 0.00 2.23 0.84 5.34 88.66 Average: 2 2.92 0.00 2.10 0.49 5.17 89.33 Average: 3 2.41 0.00 1.76 1.18 4.98 89.67