---> uname -a: Linux 46d578bd6c59 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: 2933.442 BogoMIPS: 5866.88 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-567 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-567@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 112 0 1054 1061 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) 08/19/20 _x86_64_ (4 CPU) 15:20:15 LINUX RESTART 15:21:01 tps rtps wtps bread/s bwrtn/s 15:22:01 41.00 11.57 29.43 4480.96 2326.43 15:23:01 1.35 0.00 1.35 0.00 18.60 15:24:02 0.28 0.00 0.28 0.00 3.88 15:25:01 0.22 0.00 0.22 0.00 3.01 15:26:01 0.25 0.00 0.25 0.00 3.00 15:27:01 42.02 41.53 0.48 4049.94 10.85 Average: 14.23 8.88 5.35 1426.33 395.57 15:21:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:22:01 156872 1724684 91.66 2620 1132680 1102788 37.64 430104 1134540 24 15:23:01 161648 1719908 91.41 2620 1132684 1073332 36.63 429088 1131300 8 15:24:02 160808 1720748 91.45 2620 1132692 1073584 36.64 430468 1131300 16 15:25:01 159356 1722200 91.53 2620 1132692 1073624 36.64 432484 1130788 8 15:26:01 160716 1720840 91.46 2620 1132696 1073492 36.64 439844 1122532 12 15:27:01 85192 1796364 95.47 2620 1181580 1109904 37.88 458080 1176504 80 Average: 147432 1734124 92.16 2620 1140837 1084454 37.01 436678 1137827 25 15:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:22:01 eth0 115.30 80.34 464.18 58.42 0.00 0.00 0.00 15:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 docker0 5.81 4.03 0.85 17.80 0.00 0.00 0.00 15:23:01 eth0 0.77 0.07 0.06 0.01 0.00 0.00 0.00 15:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:02 eth0 1.10 0.38 0.90 0.14 0.00 0.00 0.00 15:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 eth0 0.51 0.41 0.31 0.27 0.00 0.00 0.00 15:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 eth0 0.27 0.20 0.14 0.07 0.00 0.00 0.00 15:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 eth0 7.13 4.46 8.05 2.72 0.00 0.00 0.00 15:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.91 14.36 79.20 10.30 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.97 0.67 0.14 2.98 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) 08/19/20 _x86_64_ (4 CPU) 15:20:15 LINUX RESTART 15:21:01 CPU %user %nice %system %iowait %steal %idle 15:22:01 all 3.55 0.00 1.99 1.56 0.01 92.90 15:22:01 0 3.66 0.00 2.17 0.64 0.02 93.51 15:22:01 1 3.66 0.00 1.89 1.39 0.02 93.04 15:22:01 2 3.54 0.00 2.54 1.39 0.00 92.53 15:22:01 3 3.31 0.00 1.36 2.85 0.02 92.47 15:23:01 all 0.16 0.00 0.04 0.00 0.00 99.80 15:23:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:23:01 1 0.37 0.00 0.05 0.00 0.00 99.58 15:23:01 2 0.22 0.00 0.05 0.00 0.00 99.73 15:23:01 3 0.05 0.00 0.05 0.00 0.00 99.90 15:24:02 all 0.18 0.00 0.03 0.00 0.00 99.79 15:24:02 0 0.05 0.00 0.03 0.00 0.00 99.92 15:24:02 1 0.53 0.00 0.02 0.00 0.00 99.45 15:24:02 2 0.07 0.00 0.05 0.00 0.00 99.88 15:24:02 3 0.07 0.00 0.02 0.00 0.00 99.92 15:25:01 all 0.12 0.00 0.03 0.00 0.00 99.84 15:25:01 0 0.07 0.00 0.03 0.00 0.00 99.90 15:25:01 1 0.36 0.00 0.05 0.00 0.00 99.59 15:25:01 2 0.05 0.00 0.03 0.00 0.00 99.92 15:25:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:26:01 all 0.06 0.00 0.05 0.00 0.00 99.88 15:26:01 0 0.02 0.00 0.08 0.00 0.00 99.90 15:26:01 1 0.17 0.00 0.07 0.00 0.00 99.77 15:26:01 2 0.03 0.00 0.03 0.00 0.02 99.92 15:26:01 3 0.02 0.00 0.03 0.00 0.00 99.95 15:27:01 all 0.83 0.00 0.34 0.97 0.00 97.86 15:27:01 0 0.45 0.00 0.13 0.02 0.00 99.40 15:27:01 1 0.82 0.00 0.27 0.37 0.00 98.55 15:27:01 2 1.28 0.00 0.73 2.87 0.00 95.12 15:27:01 3 0.80 0.00 0.25 0.62 0.00 98.33 Average: all 0.82 0.00 0.42 0.42 0.00 98.34 Average: 0 0.71 0.00 0.42 0.11 0.00 98.76 Average: 1 0.98 0.00 0.39 0.29 0.00 98.33 Average: 2 0.87 0.00 0.57 0.71 0.00 97.85 Average: 3 0.71 0.00 0.29 0.58 0.00 98.42