---> uname -a: Linux 58bdf0081f72 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% /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 622 115 0 1099 1109 Swap: 1023 0 1023 ---> 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) 08/26/20 _x86_64_ (4 CPU) 07:18:49 LINUX RESTART 07:20:01 tps rtps wtps bread/s bwrtn/s 07:21:01 2.31 0.00 2.31 0.00 50.14 07:22:01 0.33 0.00 0.33 0.00 5.00 07:23:01 0.32 0.00 0.32 0.00 3.68 07:24:01 0.25 0.00 0.25 0.00 2.70 07:25:01 0.23 0.00 0.23 0.00 3.11 07:26:01 116.12 76.74 39.38 5715.35 16358.01 Average: 19.93 12.79 7.14 952.74 2737.64 07:20:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:21:01 170640 1710916 90.93 2620 1180612 1072092 36.59 388092 1162864 12 07:22:01 169492 1712064 90.99 2620 1180616 1072296 36.60 389736 1162572 16 07:23:01 169112 1712444 91.01 2620 1180624 1072320 36.60 389656 1162572 12 07:24:01 169208 1712348 91.01 2620 1180676 1072092 36.59 397480 1154908 16 07:25:01 168924 1712632 91.02 2620 1180632 1072164 36.59 398056 1154872 8 07:26:01 159192 1722364 91.54 2620 1142040 1101512 37.59 412808 1107212 98360 Average: 167761 1713795 91.08 2620 1174200 1077079 36.76 395971 1150833 16404 07:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:21:01 eth0 0.55 0.08 0.04 0.01 0.00 0.00 0.00 07:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:22:01 eth0 1.20 0.55 0.56 0.36 0.00 0.00 0.00 07:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:23:01 eth0 1.03 0.45 0.35 0.21 0.00 0.00 0.00 07:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:24:01 eth0 0.12 0.10 0.01 0.04 0.00 0.00 0.00 07:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:25:01 eth0 0.27 0.20 0.14 0.07 0.00 0.00 0.00 07:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:26:01 eth0 101.70 65.75 2332.57 11.16 0.00 0.00 0.00 07:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.48 11.19 389.02 1.98 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) 08/26/20 _x86_64_ (4 CPU) 07:18:49 LINUX RESTART 07:20:01 CPU %user %nice %system %iowait %steal %idle 07:21:01 all 0.19 0.00 0.05 0.00 0.01 99.75 07:21:01 0 0.03 0.00 0.05 0.00 0.02 99.90 07:21:01 1 0.55 0.00 0.05 0.00 0.02 99.38 07:21:01 2 0.08 0.00 0.05 0.00 0.02 99.85 07:21:01 3 0.10 0.00 0.03 0.00 0.00 99.87 07:22:01 all 0.14 0.00 0.03 0.00 0.00 99.82 07:22:01 0 0.07 0.00 0.02 0.00 0.00 99.92 07:22:01 1 0.28 0.00 0.03 0.00 0.00 99.68 07:22:01 2 0.18 0.00 0.07 0.00 0.00 99.75 07:22:01 3 0.03 0.00 0.03 0.00 0.00 99.93 07:23:01 all 0.15 0.00 0.03 0.00 0.01 99.80 07:23:01 0 0.03 0.00 0.03 0.00 0.02 99.92 07:23:01 1 0.52 0.00 0.02 0.00 0.00 99.47 07:23:01 2 0.03 0.00 0.03 0.00 0.02 99.92 07:23:01 3 0.03 0.00 0.03 0.00 0.00 99.93 07:24:01 all 0.16 0.00 0.04 0.00 0.00 99.80 07:24:01 0 0.00 0.00 0.02 0.00 0.00 99.98 07:24:01 1 0.52 0.00 0.07 0.00 0.00 99.42 07:24:01 2 0.07 0.00 0.07 0.00 0.00 99.87 07:24:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:25:01 all 0.17 0.00 0.04 0.00 0.00 99.79 07:25:01 0 0.03 0.00 0.03 0.00 0.00 99.93 07:25:01 1 0.53 0.00 0.05 0.00 0.00 99.42 07:25:01 2 0.07 0.00 0.05 0.00 0.02 99.87 07:25:01 3 0.03 0.00 0.03 0.00 0.00 99.93 07:26:01 all 4.96 0.00 2.79 1.90 0.06 90.28 07:26:01 0 4.64 0.00 2.89 3.03 0.07 89.37 07:26:01 1 5.24 0.00 2.79 3.46 0.08 88.42 07:26:01 2 5.25 0.00 3.09 0.67 0.05 90.94 07:26:01 3 4.71 0.00 2.34 0.45 0.03 92.46 Average: all 0.95 0.00 0.49 0.32 0.01 98.22 Average: 0 0.80 0.00 0.50 0.50 0.02 98.18 Average: 1 1.27 0.00 0.50 0.57 0.02 97.65 Average: 2 0.94 0.00 0.56 0.11 0.02 98.37 Average: 3 0.81 0.00 0.41 0.08 0.01 98.69