---> uname -a: Linux 04410ae3c30c 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: 2933.436 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 776 102 0 958 992 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) 08/25/20 _x86_64_ (4 CPU) 16:21:13 LINUX RESTART 16:22:01 tps rtps wtps bread/s bwrtn/s 16:23:01 42.85 10.85 32.00 4422.44 2261.98 16:24:01 1.65 0.00 1.65 0.00 31.86 16:25:01 0.17 0.00 0.17 0.00 1.92 16:26:01 0.32 0.00 0.32 0.00 3.51 16:27:01 207.82 126.87 80.96 5609.46 30538.82 16:28:01 223.30 90.95 132.35 4763.52 33133.48 Average: 79.37 38.12 41.25 2466.44 10998.32 16:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:23:01 173380 1708176 90.79 2620 1148424 1139888 38.90 392140 1152944 16 16:24:01 181596 1699960 90.35 2620 1148428 1080700 36.88 389716 1148624 8 16:25:01 180568 1700988 90.40 2620 1148436 1080964 36.89 391048 1148628 8 16:26:01 175992 1705564 90.65 2620 1148436 1080952 36.89 398744 1145076 16 16:27:01 75884 1805672 95.97 2620 1115968 1430520 48.82 513048 1084844 9672 16:28:01 219416 1662140 88.34 1800 912740 1335388 45.57 611024 763368 52 Average: 167806 1713750 91.08 2483 1103739 1191402 40.66 449287 1073914 1629 16:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:23:01 eth0 95.99 76.04 460.64 55.20 0.00 0.00 0.00 16:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:23:01 docker0 7.19 5.21 0.95 17.73 0.00 0.00 0.00 16:24:01 eth0 0.73 0.07 0.06 0.01 0.00 0.00 0.00 16:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 eth0 2.26 1.18 1.60 0.22 0.00 0.00 0.00 16:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 eth0 0.53 0.32 0.27 0.23 0.00 0.00 0.00 16:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:27:01 vethb1fdbf8 21.16 21.46 2.40 45.84 0.00 0.00 0.00 16:27:01 eth0 545.81 372.12 4928.28 123.62 0.00 0.00 0.00 16:27:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 16:27:01 docker0 28.35 26.54 3.06 63.56 0.00 0.00 0.00 16:28:01 veth06ae971 1.60 1.33 0.26 0.25 0.00 0.00 0.00 16:28:01 eth0 245.27 182.06 3454.75 84.86 0.00 0.00 0.00 16:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:28:01 docker0 40.69 45.45 2.90 193.33 0.00 0.00 0.00 Average: veth06ae971 0.27 0.22 0.04 0.04 0.00 0.00 0.00 Average: eth0 131.87 92.38 1397.52 34.75 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.51 12.00 0.99 42.83 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) 08/25/20 _x86_64_ (4 CPU) 16:21:13 LINUX RESTART 16:22:01 CPU %user %nice %system %iowait %steal %idle 16:23:01 all 3.64 0.00 1.87 1.63 0.30 92.56 16:23:01 0 3.31 0.00 2.33 2.09 0.28 91.98 16:23:01 1 4.36 0.00 1.78 0.84 0.28 92.74 16:23:01 2 3.71 0.00 1.53 0.49 0.25 94.02 16:23:01 3 3.18 0.00 1.83 3.08 0.37 91.54 16:24:01 all 0.15 0.00 0.04 0.00 0.05 99.77 16:24:01 0 0.03 0.00 0.05 0.00 0.05 99.87 16:24:01 1 0.43 0.00 0.02 0.00 0.02 99.53 16:24:01 2 0.08 0.00 0.05 0.00 0.08 99.78 16:24:01 3 0.03 0.00 0.05 0.00 0.03 99.88 16:25:01 all 0.17 0.00 0.03 0.00 0.05 99.74 16:25:01 0 0.03 0.00 0.03 0.00 0.03 99.90 16:25:01 1 0.53 0.00 0.03 0.00 0.08 99.35 16:25:01 2 0.10 0.00 0.05 0.00 0.07 99.78 16:25:01 3 0.05 0.00 0.02 0.00 0.03 99.90 16:26:01 all 0.16 0.00 0.04 0.00 0.00 99.79 16:26:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:26:01 1 0.52 0.00 0.03 0.00 0.02 99.43 16:26:01 2 0.05 0.00 0.05 0.00 0.02 99.88 16:26:01 3 0.05 0.00 0.02 0.00 0.00 99.93 16:27:01 all 7.04 0.00 4.14 1.66 0.14 87.02 16:27:01 0 6.63 0.00 3.99 0.52 0.10 88.75 16:27:01 1 7.58 0.00 4.61 1.10 0.17 86.55 16:27:01 2 7.51 0.00 4.04 2.05 0.12 86.29 16:27:01 3 6.47 0.00 3.93 2.95 0.14 86.51 16:28:01 all 11.24 0.00 7.83 3.34 0.12 77.48 16:28:01 0 10.29 0.00 7.20 0.72 0.10 81.69 16:28:01 1 11.22 0.00 7.80 3.83 0.14 77.01 16:28:01 2 11.73 0.00 8.87 5.21 0.10 74.09 16:28:01 3 11.71 0.00 7.46 3.60 0.14 77.09 Average: all 3.70 0.00 2.30 1.09 0.11 92.80 Average: 0 3.35 0.00 2.25 0.55 0.10 93.75 Average: 1 4.07 0.00 2.35 0.95 0.12 92.51 Average: 2 3.83 0.00 2.41 1.28 0.11 92.38 Average: 3 3.54 0.00 2.19 1.59 0.12 92.56