---> uname -a: Linux 5ccc81400baf 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-549 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-549@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 665 123 0 1047 1065 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) 08/10/20 _x86_64_ (4 CPU) 04:17:50 LINUX RESTART 04:19:01 tps rtps wtps bread/s bwrtn/s 04:20:01 46.61 11.37 35.24 4460.24 2264.91 04:21:01 1.70 0.00 1.70 0.00 33.48 04:22:01 0.30 0.00 0.30 0.00 4.30 04:23:01 0.23 0.00 0.23 0.00 2.83 04:24:01 0.35 0.00 0.35 0.00 4.80 04:25:01 28.63 28.35 0.28 2615.35 4.58 Average: 12.98 6.62 6.36 1180.12 386.30 04:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:20:01 148684 1732872 92.10 2620 1141112 1130624 38.59 453428 1118772 120 04:21:01 159116 1722440 91.54 2620 1141116 1066228 36.39 447864 1115436 24 04:22:01 154768 1726788 91.77 2620 1141124 1066780 36.41 452300 1115248 8 04:23:01 155908 1725648 91.71 2620 1141124 1066564 36.40 455384 1111180 8 04:24:01 156952 1724604 91.66 2620 1141128 1066444 36.40 454588 1111180 8 04:25:01 68964 1812592 96.33 2620 1205196 1101984 37.61 464196 1183944 196 Average: 140732 1740824 92.52 2620 1151800 1083104 36.96 454627 1125960 61 04:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:20:01 eth0 77.94 68.92 460.76 59.13 0.00 0.00 0.00 04:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 docker0 7.20 4.60 0.94 17.28 0.00 0.00 0.00 04:21:01 eth0 0.81 0.08 0.07 0.03 0.00 0.00 0.00 04:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 eth0 1.58 1.13 2.83 0.25 0.00 0.00 0.00 04:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 eth0 0.65 0.40 0.29 0.21 0.00 0.00 0.00 04:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:24:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 04:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:25:01 eth0 6.66 4.36 7.53 2.40 0.00 0.00 0.00 04:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 14.66 12.52 78.69 10.36 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.20 0.77 0.16 2.88 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) 08/10/20 _x86_64_ (4 CPU) 04:17:50 LINUX RESTART 04:19:01 CPU %user %nice %system %iowait %steal %idle 04:20:01 all 3.51 0.00 1.85 1.65 5.64 87.34 04:20:01 0 3.24 0.00 2.04 1.83 5.80 87.10 04:20:01 1 3.96 0.00 2.05 1.54 5.60 86.84 04:20:01 2 3.10 0.00 1.39 0.05 5.11 90.35 04:20:01 3 3.76 0.00 1.92 3.21 6.06 85.06 04:21:01 all 0.08 0.00 0.05 0.00 0.46 99.41 04:21:01 0 0.03 0.00 0.05 0.00 0.41 99.50 04:21:01 1 0.27 0.00 0.07 0.00 0.65 99.02 04:21:01 2 0.02 0.00 0.05 0.00 0.55 99.39 04:21:01 3 0.02 0.00 0.02 0.00 0.23 99.73 04:22:01 all 0.13 0.00 0.03 0.00 0.43 99.41 04:22:01 0 0.07 0.00 0.02 0.00 0.40 99.52 04:22:01 1 0.05 0.00 0.02 0.00 0.40 99.53 04:22:01 2 0.08 0.00 0.02 0.00 0.43 99.47 04:22:01 3 0.30 0.00 0.05 0.00 0.52 99.14 04:23:01 all 0.10 0.00 0.09 0.00 0.28 99.53 04:23:01 0 0.03 0.00 0.17 0.00 0.22 99.58 04:23:01 1 0.12 0.00 0.08 0.00 0.38 99.42 04:23:01 2 0.03 0.00 0.08 0.00 0.27 99.62 04:23:01 3 0.23 0.00 0.05 0.00 0.25 99.47 04:24:01 all 0.12 0.00 0.04 0.00 0.07 99.77 04:24:01 0 0.02 0.00 0.05 0.00 0.08 99.85 04:24:01 1 0.05 0.00 0.03 0.00 0.07 99.85 04:24:01 2 0.03 0.00 0.05 0.00 0.05 99.87 04:24:01 3 0.35 0.00 0.02 0.00 0.08 99.55 04:25:01 all 0.54 0.00 0.19 0.57 0.27 98.43 04:25:01 0 0.53 0.00 0.17 0.07 0.27 98.97 04:25:01 1 0.45 0.00 0.20 0.99 0.23 98.13 04:25:01 2 0.27 0.00 0.15 0.63 0.23 98.72 04:25:01 3 0.93 0.00 0.23 0.58 0.33 97.91 Average: all 0.75 0.00 0.38 0.37 1.20 97.30 Average: 0 0.65 0.00 0.42 0.32 1.20 97.41 Average: 1 0.82 0.00 0.41 0.42 1.23 97.11 Average: 2 0.59 0.00 0.29 0.11 1.11 97.89 Average: 3 0.93 0.00 0.38 0.63 1.25 96.80