---> uname -a: Linux c382cd165ca0 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 8.2G 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% /w/workspace/dgexfoundry_device-sdk-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/dgexfoundry_device-sdk-go_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 787 120 0 929 984 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) 09/18/20 _x86_64_ (4 CPU) 08:41:09 LINUX RESTART (4 CPU) 08:42:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:43:01 26.34 10.40 15.93 0.00 4391.41 2109.77 0.00 08:44:01 1.65 0.00 1.65 0.00 0.00 29.43 0.00 08:45:01 0.28 0.00 0.28 0.00 0.00 3.35 0.00 08:46:01 0.28 0.00 0.28 0.00 0.00 3.05 0.00 08:47:01 86.43 36.60 49.83 0.00 2147.54 22071.16 0.00 08:48:01 315.34 143.95 171.39 0.00 9113.66 41846.30 0.00 Average: 71.75 31.84 39.91 0.00 2609.55 11014.36 0.00 08:42:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:43:01 166952 0 584768 31.08 2620 1127216 1112956 37.98 418176 1136424 24 08:44:01 171576 0 580140 30.83 2620 1127220 1083524 36.98 417960 1133056 16 08:45:01 170980 0 580728 30.86 2620 1127228 1083696 36.98 420540 1130904 16 08:46:01 170128 0 581580 30.91 2620 1127228 1073476 36.64 424132 1128104 8 08:47:01 67416 0 702260 37.32 2620 1109260 1490040 50.85 511464 1103712 66836 08:48:01 193200 0 783872 41.66 1520 902964 1589264 54.24 660160 745200 44 Average: 156709 0 635558 33.78 2437 1086853 1238826 42.28 475405 1062900 11157 08:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:43:01 eth0 81.74 69.89 352.42 47.76 0.00 0.00 0.00 0.00 08:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 docker0 5.96 3.65 0.93 18.13 0.00 0.00 0.00 0.00 08:44:01 eth0 3.03 1.33 2.90 0.12 0.00 0.00 0.00 0.00 08:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 eth0 0.83 0.37 0.31 0.20 0.00 0.00 0.00 0.00 08:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 eth0 0.50 0.33 0.27 0.20 0.00 0.00 0.00 0.00 08:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 eth0 435.05 401.10 3780.36 30.71 0.00 0.00 0.00 0.00 08:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 eth0 527.91 473.47 3533.04 102.48 0.00 0.00 0.00 0.00 08:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 veth1443bb2 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 08:48:01 docker0 66.63 65.24 5.30 263.94 0.00 0.00 0.00 0.00 Average: eth0 174.90 157.80 1278.62 30.25 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: veth1443bb2 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.10 11.48 1.04 47.03 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) 09/18/20 _x86_64_ (4 CPU) 08:41:09 LINUX RESTART (4 CPU) 08:42:01 CPU %user %nice %system %iowait %steal %idle 08:43:01 all 2.57 0.00 1.55 0.68 0.00 95.20 08:43:01 0 2.52 0.00 2.21 0.69 0.00 94.59 08:43:01 1 2.47 0.00 1.12 0.10 0.00 96.31 08:43:01 2 2.64 0.00 1.64 0.85 0.02 94.85 08:43:01 3 2.66 0.00 1.22 1.07 0.00 95.05 08:44:01 all 0.15 0.00 0.04 0.00 0.00 99.80 08:44:01 0 0.03 0.00 0.02 0.00 0.02 99.93 08:44:01 1 0.43 0.00 0.03 0.00 0.00 99.53 08:44:01 2 0.10 0.00 0.07 0.00 0.00 99.83 08:44:01 3 0.05 0.00 0.03 0.00 0.00 99.92 08:45:01 all 0.16 0.00 0.03 0.00 0.00 99.81 08:45:01 0 0.03 0.00 0.03 0.00 0.00 99.93 08:45:01 1 0.52 0.00 0.03 0.00 0.00 99.45 08:45:01 2 0.05 0.00 0.05 0.00 0.00 99.90 08:45:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:46:01 all 0.06 0.00 0.07 0.00 0.00 99.87 08:46:01 0 0.03 0.00 0.05 0.00 0.00 99.92 08:46:01 1 0.17 0.00 0.10 0.00 0.00 99.73 08:46:01 2 0.02 0.00 0.05 0.00 0.00 99.93 08:46:01 3 0.03 0.00 0.07 0.00 0.00 99.90 08:47:01 all 4.77 0.00 3.11 0.75 0.01 91.37 08:47:01 0 4.78 0.00 2.78 1.27 0.00 91.17 08:47:01 1 4.72 0.00 3.34 1.37 0.02 90.56 08:47:01 2 4.80 0.00 3.59 0.10 0.00 91.50 08:47:01 3 4.78 0.00 2.71 0.25 0.02 92.24 08:48:01 all 12.87 0.00 8.74 4.54 0.03 73.82 08:48:01 0 12.00 0.00 9.23 2.54 0.02 76.22 08:48:01 1 10.97 0.00 8.20 6.61 0.02 74.20 08:48:01 2 13.35 0.00 9.43 4.10 0.03 73.09 08:48:01 3 15.16 0.00 8.11 4.92 0.03 71.78 Average: all 3.40 0.00 2.23 0.98 0.01 93.37 Average: 0 3.20 0.00 2.36 0.74 0.01 93.69 Average: 1 3.19 0.00 2.12 1.33 0.01 93.36 Average: 2 3.47 0.00 2.45 0.83 0.01 93.24 Average: 3 3.75 0.00 2.01 1.03 0.01 93.20