---> uname -a: Linux 72ba7b670c0a 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: 2933.396 BogoMIPS: 5866.79 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-553 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 654 123 0 1058 1076 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) 08/06/20 _x86_64_ (4 CPU) 03:10:32 LINUX RESTART 03:11:02 tps rtps wtps bread/s bwrtn/s 03:12:01 77.03 35.14 41.89 7510.49 4973.73 03:13:01 1.53 0.00 1.53 0.00 30.19 03:14:01 0.38 0.00 0.38 0.00 6.06 03:15:01 0.38 0.00 0.38 0.00 5.71 03:16:01 0.32 0.00 0.32 0.00 4.93 03:17:01 0.67 0.17 0.50 12.39 11.67 03:18:01 0.50 0.02 0.48 0.13 9.69 03:19:01 0.22 0.00 0.22 0.00 3.60 Average: 9.99 4.35 5.64 927.14 621.95 03:11:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:12:01 150256 1731300 92.01 2620 1152152 1130032 38.57 420108 1151060 120 03:13:01 156244 1725312 91.70 2620 1152248 1084128 37.00 418440 1147472 20 03:14:01 155300 1726256 91.75 2620 1152252 1084368 37.01 419884 1147460 16 03:15:01 153528 1728028 91.84 2620 1152256 1084456 37.01 421740 1146840 16 03:16:01 155448 1726108 91.74 2620 1152260 1084192 37.00 427344 1139772 12 03:17:01 150616 1730940 92.00 2620 1152764 1096412 37.42 431560 1140096 20 03:18:01 150260 1731296 92.01 2620 1152772 1096656 37.43 431776 1140096 8 03:19:01 150820 1730736 91.98 2620 1152780 1096584 37.42 430080 1141128 8 Average: 152809 1728747 91.88 2620 1152436 1094604 37.36 425117 1144241 28 03:11:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:12:01 eth0 314.93 226.74 1082.73 108.84 0.00 0.00 0.00 03:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 docker0 10.07 7.45 1.14 17.83 0.00 0.00 0.00 03:13:01 eth0 0.85 0.13 0.07 0.04 0.00 0.00 0.00 03:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:14:01 eth0 0.77 0.37 0.31 0.20 0.00 0.00 0.00 03:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:15:01 eth0 0.98 0.63 0.57 0.40 0.00 0.00 0.00 03:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 03:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 eth0 3.85 2.31 3.41 1.43 0.00 0.00 0.00 03:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 eth0 4.11 2.20 3.42 1.76 0.00 0.00 0.00 03:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 eth0 1.25 0.73 0.94 0.49 0.00 0.00 0.00 03:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 40.30 28.75 134.53 13.96 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.24 0.92 0.14 2.20 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) 08/06/20 _x86_64_ (4 CPU) 03:10:32 LINUX RESTART 03:11:02 CPU %user %nice %system %iowait %steal %idle 03:12:01 all 13.21 0.00 5.02 2.35 0.02 79.40 03:12:01 0 12.34 0.00 5.90 2.38 0.02 79.36 03:12:01 1 14.01 0.00 4.55 1.03 0.03 80.38 03:12:01 2 12.05 0.00 4.68 2.46 0.02 80.80 03:12:01 3 14.43 0.00 4.98 3.56 0.02 77.02 03:13:01 all 0.15 0.00 0.04 0.00 0.00 99.81 03:13:01 0 0.47 0.00 0.05 0.00 0.00 99.48 03:13:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:13:01 2 0.05 0.00 0.03 0.00 0.00 99.92 03:13:01 3 0.02 0.00 0.03 0.00 0.00 99.95 03:14:01 all 0.15 0.00 0.04 0.00 0.00 99.82 03:14:01 0 0.13 0.00 0.05 0.00 0.00 99.82 03:14:01 1 0.05 0.00 0.02 0.00 0.00 99.93 03:14:01 2 0.35 0.00 0.05 0.00 0.00 99.60 03:14:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:15:01 all 0.16 0.00 0.04 0.00 0.00 99.80 03:15:01 0 0.07 0.00 0.03 0.00 0.00 99.90 03:15:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:15:01 2 0.50 0.00 0.05 0.00 0.00 99.45 03:15:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:16:01 all 0.16 0.00 0.05 0.00 0.00 99.79 03:16:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:16:01 1 0.05 0.00 0.10 0.00 0.00 99.85 03:16:01 2 0.53 0.00 0.05 0.00 0.00 99.42 03:16:01 3 0.05 0.00 0.05 0.00 0.00 99.90 03:17:01 all 0.23 0.00 0.07 0.00 0.00 99.69 03:17:01 0 0.08 0.00 0.03 0.00 0.00 99.88 03:17:01 1 0.08 0.00 0.13 0.02 0.00 99.77 03:17:01 2 0.12 0.00 0.03 0.00 0.00 99.85 03:17:01 3 0.62 0.00 0.07 0.00 0.00 99.32 03:18:01 all 0.16 0.00 0.07 0.00 0.00 99.77 03:18:01 0 0.08 0.00 0.07 0.00 0.00 99.85 03:18:01 1 0.12 0.00 0.05 0.00 0.00 99.83 03:18:01 2 0.07 0.00 0.07 0.00 0.00 99.87 03:18:01 3 0.40 0.00 0.10 0.00 0.00 99.50 03:19:01 all 0.16 0.00 0.05 0.00 0.00 99.79 03:19:01 0 0.03 0.00 0.07 0.00 0.00 99.90 03:19:01 1 0.07 0.00 0.07 0.00 0.00 99.87 03:19:01 2 0.02 0.00 0.03 0.00 0.00 99.95 03:19:01 3 0.53 0.00 0.05 0.00 0.02 99.40 Average: all 1.76 0.00 0.66 0.29 0.00 97.29 Average: 0 1.62 0.00 0.76 0.29 0.00 97.33 Average: 1 1.77 0.00 0.61 0.13 0.00 97.49 Average: 2 1.68 0.00 0.61 0.30 0.00 97.41 Average: 3 1.98 0.00 0.65 0.43 0.00 96.93