---> uname -a: Linux 2b94e43407ff 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-538 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-538@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 643 128 0 1065 1089 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) 06/15/20 _x86_64_ (4 CPU) 15:18:16 LINUX RESTART 15:19:01 tps rtps wtps bread/s bwrtn/s 15:20:01 49.85 12.93 36.92 4637.68 2670.67 15:21:01 1.65 0.00 1.65 0.00 29.04 15:22:01 0.28 0.00 0.28 0.00 3.75 15:23:01 0.22 0.00 0.22 0.00 2.96 15:24:01 0.23 0.00 0.23 0.00 3.55 15:25:01 39.58 39.12 0.47 4116.04 11.47 Average: 15.30 8.68 6.63 1459.18 453.75 15:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:20:01 170976 1710580 90.91 2620 1145100 1124896 38.39 397408 1152268 20 15:21:01 178124 1703432 90.53 2620 1145104 1066852 36.41 395976 1148044 16 15:22:01 178108 1703448 90.53 2620 1145112 1066864 36.41 395944 1148044 12 15:23:01 176172 1705384 90.64 2620 1145112 1066948 36.41 398268 1147504 8 15:24:01 177260 1704296 90.58 2620 1145116 1066792 36.41 402732 1142024 8 15:25:01 83532 1798024 95.56 2620 1209852 1102720 37.63 422252 1211144 80 Average: 160695 1720861 91.46 2620 1155899 1082512 36.94 402097 1158171 24 15:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:20:01 eth0 256.87 157.32 683.87 79.63 0.00 0.00 0.00 15:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:20:01 docker0 6.84 6.27 1.10 17.81 0.00 0.00 0.00 15:21:01 eth0 3.05 1.22 2.80 0.08 0.00 0.00 0.00 15:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:22:01 eth0 1.05 0.40 0.43 0.20 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:23:01 eth0 0.53 0.42 0.28 0.21 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 15:24:01 eth0 0.28 0.20 0.14 0.07 0.00 0.00 0.00 15:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:25:01 eth0 9.96 6.16 9.63 3.73 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 Average: eth0 45.31 27.63 116.23 13.99 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.14 1.05 0.18 2.97 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) 06/15/20 _x86_64_ (4 CPU) 15:18:16 LINUX RESTART 15:19:01 CPU %user %nice %system %iowait %steal %idle 15:20:01 all 6.21 0.00 2.12 1.78 0.29 89.59 15:20:01 0 6.02 0.00 2.19 0.76 0.30 90.73 15:20:01 1 6.29 0.00 1.77 0.13 0.32 91.49 15:20:01 2 5.18 0.00 2.48 3.74 0.32 88.27 15:20:01 3 7.37 0.00 2.04 2.49 0.22 87.89 15:21:01 all 0.17 0.00 0.05 0.00 0.02 99.76 15:21:01 0 0.07 0.00 0.08 0.00 0.05 99.80 15:21:01 1 0.55 0.00 0.03 0.00 0.02 99.40 15:21:01 2 0.03 0.00 0.02 0.00 0.02 99.93 15:21:01 3 0.03 0.00 0.03 0.00 0.02 99.92 15:22:01 all 0.16 0.00 0.03 0.00 0.00 99.81 15:22:01 0 0.05 0.00 0.03 0.00 0.00 99.92 15:22:01 1 0.52 0.00 0.03 0.00 0.00 99.45 15:22:01 2 0.07 0.00 0.03 0.00 0.02 99.88 15:22:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:23:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:23:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:23:01 1 0.48 0.00 0.03 0.00 0.00 99.48 15:23:01 2 0.05 0.00 0.07 0.00 0.02 99.87 15:23:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:24:01 all 0.16 0.00 0.05 0.00 0.01 99.78 15:24:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:24:01 1 0.05 0.00 0.05 0.00 0.02 99.88 15:24:01 2 0.55 0.00 0.03 0.00 0.00 99.42 15:24:01 3 0.02 0.00 0.08 0.00 0.02 99.88 15:25:01 all 0.88 0.00 0.49 0.70 0.03 97.91 15:25:01 0 0.55 0.00 0.45 0.02 0.03 98.95 15:25:01 1 1.39 0.00 0.78 2.39 0.02 95.43 15:25:01 2 0.83 0.00 0.30 0.05 0.03 98.78 15:25:01 3 0.75 0.00 0.43 0.33 0.05 98.43 Average: all 1.28 0.00 0.46 0.41 0.06 97.79 Average: 0 1.11 0.00 0.46 0.13 0.06 98.24 Average: 1 1.54 0.00 0.45 0.42 0.06 97.53 Average: 2 1.11 0.00 0.49 0.63 0.07 97.70 Average: 3 1.36 0.00 0.43 0.47 0.05 97.69