---> uname -a: Linux e2367c03f271 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-551@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-551 ---> free -m: total used free shared buff/cache available Mem: 1837 634 129 0 1073 1097 Swap: 1023 1 1022 ---> 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 6: eth0@if7: 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) 07/16/20 _x86_64_ (4 CPU) 08:20:58 LINUX RESTART 08:22:01 tps rtps wtps bread/s bwrtn/s 08:23:01 6.31 0.02 6.29 0.13 217.44 08:24:01 0.85 0.00 0.85 0.00 12.36 08:25:01 0.27 0.00 0.27 0.00 3.86 08:26:01 0.15 0.00 0.15 0.00 1.60 08:27:01 0.32 0.00 0.32 0.00 4.70 Average: 1.58 0.00 1.58 0.03 47.99 08:22:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:23:01 182016 1699540 90.33 2620 1154560 1102508 37.63 417156 1122684 12 08:24:01 179364 1702192 90.47 2620 1154564 1080148 36.86 423192 1119076 8 08:25:01 177120 1704436 90.59 2620 1154572 1080208 36.87 425352 1119016 12 08:26:01 178052 1703504 90.54 2620 1154572 1079944 36.86 425900 1118356 12 08:27:01 175220 1706336 90.69 2620 1154580 1080016 36.86 430920 1116304 16 Average: 178354 1703202 90.52 2620 1154570 1084565 37.01 424504 1119087 12 08:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:23:01 eth0 17.24 11.11 11.60 21.59 0.00 0.00 0.00 08:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:23:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 08:24:01 eth0 0.92 0.35 0.30 0.20 0.00 0.00 0.00 08:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 eth0 0.68 0.42 0.29 0.21 0.00 0.00 0.00 08:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 08:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 08:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.83 2.42 2.46 4.41 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 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) 07/16/20 _x86_64_ (4 CPU) 08:20:58 LINUX RESTART 08:22:01 CPU %user %nice %system %iowait %steal %idle 08:23:01 all 0.97 0.00 0.22 0.11 0.00 98.69 08:23:01 0 0.53 0.00 0.20 0.00 0.02 99.25 08:23:01 1 1.55 0.00 0.17 0.02 0.02 98.25 08:23:01 2 0.75 0.00 0.22 0.00 0.00 99.03 08:23:01 3 1.03 0.00 0.30 0.45 0.00 98.21 08:24:01 all 0.12 0.00 0.03 0.00 0.00 99.85 08:24:01 0 0.05 0.00 0.03 0.00 0.00 99.92 08:24:01 1 0.05 0.00 0.05 0.00 0.00 99.90 08:24:01 2 0.02 0.00 0.03 0.00 0.00 99.95 08:24:01 3 0.33 0.00 0.03 0.00 0.00 99.63 08:25:01 all 0.16 0.00 0.02 0.00 0.00 99.82 08:25:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:25:01 1 0.05 0.00 0.02 0.00 0.00 99.93 08:25:01 2 0.03 0.00 0.03 0.00 0.02 99.92 08:25:01 3 0.53 0.00 0.02 0.00 0.00 99.45 08:26:01 all 0.12 0.00 0.04 0.00 0.01 99.83 08:26:01 0 0.02 0.00 0.00 0.00 0.02 99.97 08:26:01 1 0.05 0.00 0.07 0.00 0.02 99.87 08:26:01 2 0.02 0.00 0.02 0.00 0.00 99.97 08:26:01 3 0.42 0.00 0.05 0.00 0.03 99.50 08:27:01 all 0.17 0.00 0.06 0.00 0.00 99.77 08:27:01 0 0.05 0.00 0.05 0.00 0.00 99.90 08:27:01 1 0.05 0.00 0.05 0.00 0.00 99.90 08:27:01 2 0.05 0.00 0.02 0.00 0.00 99.93 08:27:01 3 0.52 0.00 0.17 0.00 0.00 99.32 Average: all 0.31 0.00 0.08 0.02 0.01 99.59 Average: 0 0.13 0.00 0.06 0.00 0.01 99.80 Average: 1 0.35 0.00 0.07 0.00 0.01 99.57 Average: 2 0.17 0.00 0.06 0.00 0.00 99.76 Average: 3 0.57 0.00 0.11 0.09 0.01 99.22