---> uname -a: Linux acca447dae64 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: 2933.442 BogoMIPS: 5866.88 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% /w/workspace/dgexfoundry_device-sdk-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/dgexfoundry_device-sdk-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 778 113 0 945 991 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) 08/31/20 _x86_64_ (4 CPU) 23:43:49 LINUX RESTART 23:45:01 tps rtps wtps bread/s bwrtn/s 23:46:01 1.98 0.00 1.98 0.00 41.49 23:47:01 0.38 0.00 0.38 0.00 5.70 23:48:01 0.20 0.00 0.20 0.00 1.90 23:49:01 0.27 0.00 0.27 0.00 3.35 23:50:01 0.32 0.00 0.32 0.00 4.18 23:51:01 247.16 155.76 91.40 6667.02 31832.50 23:52:02 264.58 116.58 148.00 8120.15 38761.39 Average: 73.66 38.96 34.70 2115.57 10107.81 23:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:46:01 176208 1705348 90.63 2620 1142516 1114628 38.04 389396 1156416 20 23:47:01 178664 1702892 90.50 2620 1142520 1080152 36.86 390480 1153132 8 23:48:01 179584 1701972 90.46 2620 1142528 1080020 36.86 389564 1153132 8 23:49:01 177212 1704344 90.58 2620 1142528 1080236 36.87 394556 1150504 8 23:50:01 177836 1703720 90.55 2620 1142532 1080152 36.86 402620 1142140 16 23:51:01 64792 1816764 96.56 2620 1167868 1291820 44.09 557004 1061952 12160 23:52:02 82872 1798684 95.60 1492 1009956 1547724 52.82 696388 826064 13388 Average: 148167 1733389 92.13 2459 1127207 1182105 40.34 460001 1091906 3658 23:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:46:01 eth0 0.90 0.42 0.34 0.21 0.00 0.00 0.00 23:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 eth0 0.72 0.48 0.32 0.21 0.00 0.00 0.00 23:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 eth0 0.82 0.08 0.07 0.01 0.00 0.00 0.00 23:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 eth0 1.07 0.43 0.31 0.21 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 1.98 0.47 0.59 0.24 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 239.56 172.19 5988.88 24.96 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 18.96 16.30 2.00 45.22 0.00 0.00 0.00 23:52:02 eth0 251.80 182.87 3618.97 83.62 0.00 0.00 0.00 23:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:02 docker0 45.31 51.30 3.09 215.66 0.00 0.00 0.00 Average: eth0 71.08 51.07 1374.57 15.66 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.20 9.67 0.73 37.33 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) 08/31/20 _x86_64_ (4 CPU) 23:43:49 LINUX RESTART 23:45:01 CPU %user %nice %system %iowait %steal %idle 23:46:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:46:01 0 0.07 0.00 0.03 0.00 0.00 99.90 23:46:01 1 0.07 0.00 0.03 0.00 0.00 99.90 23:46:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:46:01 3 0.48 0.00 0.03 0.00 0.00 99.48 23:47:01 all 0.16 0.00 0.04 0.00 0.00 99.80 23:47:01 0 0.02 0.00 0.05 0.00 0.00 99.93 23:47:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:47:01 2 0.03 0.00 0.02 0.00 0.00 99.95 23:47:01 3 0.52 0.00 0.02 0.00 0.00 99.47 23:48:01 all 0.14 0.00 0.02 0.00 0.00 99.84 23:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:48:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:48:01 2 0.02 0.00 0.03 0.00 0.00 99.95 23:48:01 3 0.50 0.00 0.00 0.00 0.00 99.50 23:49:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:49:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:49:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:49:01 2 0.02 0.00 0.05 0.00 0.00 99.93 23:49:01 3 0.52 0.00 0.02 0.00 0.00 99.47 23:50:01 all 0.17 0.00 0.03 0.00 0.00 99.80 23:50:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:50:01 1 0.05 0.00 0.08 0.00 0.00 99.87 23:50:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:50:01 3 0.53 0.00 0.02 0.00 0.00 99.45 23:51:01 all 8.25 0.00 4.76 1.67 0.03 85.30 23:51:01 0 7.37 0.00 4.93 1.21 0.03 86.45 23:51:01 1 8.06 0.00 4.64 1.39 0.02 85.89 23:51:01 2 8.98 0.00 5.10 2.17 0.03 83.72 23:51:01 3 8.60 0.00 4.33 1.90 0.02 85.15 23:52:02 all 11.60 0.00 7.39 3.82 0.03 77.16 23:52:02 0 13.66 0.00 8.13 3.04 0.03 75.13 23:52:02 1 12.40 0.00 7.66 6.43 0.03 73.48 23:52:02 2 9.72 0.00 6.41 3.81 0.03 80.03 23:52:02 3 10.65 0.00 7.35 1.98 0.07 79.96 Average: all 2.92 0.00 1.74 0.78 0.01 94.55 Average: 0 3.00 0.00 1.87 0.60 0.01 94.52 Average: 1 2.94 0.00 1.78 1.11 0.01 94.17 Average: 2 2.67 0.00 1.66 0.85 0.01 94.81 Average: 3 3.09 0.00 1.66 0.55 0.01 94.69