---> uname -a: Linux 6f2d7c607c29 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 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-571 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-571@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 606 119 0 1111 1126 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) 08/28/20 _x86_64_ (4 CPU) 06:01:43 LINUX RESTART 06:03:01 tps rtps wtps bread/s bwrtn/s 06:04:02 5.14 1.83 3.31 128.99 107.35 06:05:01 0.37 0.00 0.37 0.00 5.47 06:06:01 0.25 0.00 0.25 0.00 2.85 06:07:01 0.18 0.00 0.18 0.00 1.88 06:08:01 0.43 0.00 0.43 0.00 6.71 06:09:01 92.92 59.22 33.70 5085.58 15326.33 Average: 16.62 10.22 6.40 873.07 2586.94 06:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:04:02 165392 1716164 91.21 2620 1187612 1156900 39.48 394852 1160160 20 06:05:01 174428 1707128 90.73 2620 1187616 1073164 36.63 390312 1157068 8 06:06:01 174332 1707224 90.73 2620 1187624 1073200 36.63 390648 1157068 8 06:07:01 172824 1708732 90.81 2620 1187624 1073248 36.63 394016 1155220 12 06:08:01 173920 1707636 90.76 2620 1187628 1073068 36.62 393176 1155196 8 06:09:01 106092 1775464 94.36 2620 1152680 1515232 51.71 487848 1102968 32904 Average: 161165 1720391 91.43 2620 1181797 1160802 39.62 408475 1147947 5493 06:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:04:02 eth0 15.56 11.20 8.29 39.03 0.00 0.00 0.00 06:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 eth0 1.05 0.47 0.33 0.21 0.00 0.00 0.00 06:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 eth0 0.90 0.35 0.34 0.20 0.00 0.00 0.00 06:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 eth0 0.47 0.43 0.27 0.21 0.00 0.00 0.00 06:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 eth0 0.33 0.23 0.14 0.07 0.00 0.00 0.00 06:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 eth0 85.05 50.63 2325.00 9.75 0.00 0.00 0.00 06:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.30 10.60 390.85 8.27 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) 08/28/20 _x86_64_ (4 CPU) 06:01:43 LINUX RESTART 06:03:01 CPU %user %nice %system %iowait %steal %idle 06:04:02 all 0.74 0.00 0.15 0.02 0.44 98.66 06:04:02 0 0.78 0.00 0.12 0.00 0.42 98.68 06:04:02 1 0.65 0.00 0.13 0.02 0.50 98.70 06:04:02 2 0.93 0.00 0.20 0.00 0.45 98.42 06:04:02 3 0.57 0.00 0.13 0.03 0.38 98.88 06:05:01 all 0.11 0.00 0.07 0.00 0.52 99.29 06:05:01 0 0.03 0.00 0.07 0.00 0.46 99.44 06:05:01 1 0.39 0.00 0.08 0.00 0.61 98.92 06:05:01 2 0.02 0.00 0.05 0.00 0.64 99.29 06:05:01 3 0.02 0.00 0.07 0.00 0.36 99.56 06:06:01 all 0.12 0.00 0.03 0.00 0.20 99.64 06:06:01 0 0.03 0.00 0.03 0.00 0.18 99.75 06:06:01 1 0.42 0.00 0.03 0.00 0.42 99.14 06:06:01 2 0.05 0.00 0.02 0.00 0.15 99.78 06:06:01 3 0.02 0.00 0.02 0.00 0.08 99.88 06:07:01 all 0.13 0.00 0.04 0.00 0.15 99.68 06:07:01 0 0.03 0.00 0.03 0.00 0.10 99.83 06:07:01 1 0.42 0.00 0.05 0.00 0.18 99.35 06:07:01 2 0.02 0.00 0.03 0.00 0.05 99.90 06:07:01 3 0.05 0.00 0.05 0.00 0.23 99.67 06:08:01 all 0.08 0.00 0.05 0.00 0.20 99.67 06:08:01 0 0.02 0.00 0.03 0.00 0.17 99.78 06:08:01 1 0.23 0.00 0.05 0.00 0.17 99.55 06:08:01 2 0.02 0.00 0.07 0.00 0.22 99.70 06:08:01 3 0.05 0.00 0.05 0.00 0.27 99.63 06:09:01 all 3.58 0.00 2.02 1.26 4.43 88.70 06:09:01 0 3.76 0.00 2.41 1.13 4.28 88.41 06:09:01 1 3.27 0.00 1.54 1.15 4.67 89.37 06:09:01 2 4.73 0.00 2.35 2.42 4.31 86.19 06:09:01 3 2.57 0.00 1.80 0.37 4.44 90.81 Average: all 0.79 0.00 0.39 0.21 0.99 97.62 Average: 0 0.77 0.00 0.45 0.19 0.93 97.67 Average: 1 0.90 0.00 0.32 0.19 1.09 97.50 Average: 2 0.95 0.00 0.45 0.40 0.96 97.24 Average: 3 0.55 0.00 0.35 0.07 0.96 98.07