---> uname -a: Linux 8c2628de67fd 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dgexfoundry_device-sdk-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dgexfoundry_device-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 780 115 0 940 991 Swap: 1023 2 1021 ---> 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) 09/09/20 _x86_64_ (4 CPU) 03:31:19 LINUX RESTART (4 CPU) 03:32:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:33:01 49.10 13.41 35.69 0.00 4940.36 2515.38 0.00 03:34:01 1.47 0.00 1.47 0.00 0.00 24.85 0.00 03:35:01 0.40 0.00 0.40 0.00 0.00 6.26 0.00 03:36:01 0.22 0.00 0.22 0.00 0.00 3.10 0.00 03:37:01 107.02 48.32 58.70 0.00 2637.79 25583.78 0.00 03:38:01 289.88 131.63 158.25 0.00 8452.85 38191.65 0.00 Average: 74.87 32.35 42.52 0.00 2660.16 11111.76 0.00 03:32:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:33:01 165332 0 537028 28.54 2620 1176576 1099952 37.54 391628 1163504 120 03:34:01 164564 0 537792 28.58 2620 1176580 1099772 37.53 393396 1162540 16 03:35:01 164596 0 537752 28.58 2620 1176588 1099824 37.54 395412 1160476 8 03:36:01 165500 0 536848 28.53 2620 1176588 1090320 37.21 396056 1159212 8 03:37:01 70920 0 655088 34.82 2620 1152928 1508608 51.49 506504 1104128 20900 03:38:01 254528 0 718280 38.17 1672 907076 1102780 37.64 571880 772392 16 Average: 164240 0 587131 31.20 2462 1127723 1166876 39.82 442479 1087042 3511 03:32:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:33:01 eth0 169.75 125.33 524.86 68.62 0.00 0.00 0.00 0.00 03:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:33:01 docker0 7.04 4.72 1.04 18.96 0.00 0.00 0.00 0.00 03:34:01 eth0 3.63 0.83 1.02 0.55 0.00 0.00 0.00 0.00 03:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 eth0 2.08 0.80 0.88 0.59 0.00 0.00 0.00 0.00 03:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 eth0 3.26 0.45 0.53 0.24 0.00 0.00 0.00 0.00 03:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 eth0 537.53 491.28 3781.16 38.29 0.00 0.00 0.00 0.00 03:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 eth0 560.85 497.77 3514.29 94.51 0.00 0.00 0.00 0.00 03:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:38:01 docker0 45.91 47.20 3.70 246.94 0.00 0.00 0.00 0.00 Average: eth0 213.29 186.60 1309.55 33.62 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.84 8.68 0.79 44.46 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) 09/09/20 _x86_64_ (4 CPU) 03:31:19 LINUX RESTART (4 CPU) 03:32:03 CPU %user %nice %system %iowait %steal %idle 03:33:01 all 3.94 0.00 2.15 1.96 0.02 91.93 03:33:01 0 3.75 0.00 2.50 1.01 0.02 92.73 03:33:01 1 4.79 0.00 2.27 2.91 0.00 90.03 03:33:01 2 3.95 0.00 1.94 1.63 0.02 92.47 03:33:01 3 3.28 0.00 1.91 2.29 0.03 92.49 03:34:01 all 0.15 0.00 0.05 0.00 0.00 99.80 03:34:01 0 0.33 0.00 0.02 0.00 0.00 99.65 03:34:01 1 0.07 0.00 0.08 0.00 0.00 99.85 03:34:01 2 0.17 0.00 0.05 0.00 0.00 99.78 03:34:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:35:01 all 0.18 0.00 0.03 0.00 0.00 99.79 03:35:01 0 0.08 0.00 0.03 0.00 0.00 99.88 03:35:01 1 0.47 0.00 0.03 0.00 0.02 99.48 03:35:01 2 0.12 0.00 0.03 0.00 0.00 99.85 03:35:01 3 0.05 0.00 0.02 0.00 0.00 99.93 03:36:01 all 0.17 0.00 0.04 0.00 0.00 99.79 03:36:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:36:01 1 0.53 0.00 0.05 0.00 0.00 99.42 03:36:01 2 0.10 0.00 0.03 0.00 0.00 99.87 03:36:01 3 0.02 0.00 0.03 0.00 0.00 99.95 03:37:01 all 5.69 0.00 3.62 0.68 0.09 89.92 03:37:01 0 5.13 0.00 3.69 0.46 0.09 90.63 03:37:01 1 5.97 0.00 3.45 0.47 0.08 90.02 03:37:01 2 5.90 0.00 3.63 0.59 0.08 89.79 03:37:01 3 5.73 0.00 3.70 1.21 0.10 89.26 03:38:01 all 12.95 0.00 9.08 3.80 0.26 73.90 03:38:01 0 11.90 0.00 9.17 2.25 0.24 76.45 03:38:01 1 14.90 0.00 8.70 5.30 0.25 70.84 03:38:01 2 11.42 0.00 9.53 3.28 0.27 75.50 03:38:01 3 13.59 0.00 8.93 4.34 0.29 72.85 Average: all 3.81 0.00 2.47 1.06 0.06 92.61 Average: 0 3.49 0.00 2.54 0.61 0.06 93.31 Average: 1 4.42 0.00 2.41 1.43 0.06 91.69 Average: 2 3.58 0.00 2.51 0.90 0.06 92.94 Average: 3 3.75 0.00 2.41 1.29 0.07 92.49