---> uname -a: Linux 0e3e79be3dec 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dgexfoundry_device-sdk-go_PR-463 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/dgexfoundry_device-sdk-go_PR-463@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 582 64 0 1190 1150 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 03/12/20 _x86_64_ (4 CPU) 14:58:40 LINUX RESTART 14:59:01 tps rtps wtps bread/s bwrtn/s 15:00:03 86.02 36.59 49.43 4848.21 14272.05 15:01:01 3.89 0.05 3.84 0.69 116.28 15:02:01 0.45 0.08 0.37 1.60 7.48 15:03:01 0.30 0.00 0.30 0.00 3.73 15:04:01 0.20 0.00 0.20 0.00 2.70 Average: 18.27 7.40 10.88 976.99 2900.13 14:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:03 106832 1775472 94.32 2620 1253072 914764 31.21 422756 1191344 16 15:01:01 113160 1769144 93.99 2620 1253108 896368 30.58 418972 1191272 16 15:02:01 112496 1769808 94.02 2620 1253248 894484 30.52 419856 1191332 8 15:03:01 113876 1768428 93.95 2620 1253252 894232 30.51 418672 1191332 16 15:04:01 114104 1768200 93.94 2620 1253260 894232 30.51 418816 1191332 8 Average: 112094 1770210 94.04 2620 1253188 898816 30.67 419814 1191322 13 14:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:00:03 eth0 578.91 378.13 1037.05 109.71 0.00 0.00 0.00 15:00:03 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:03 docker0 6.26 4.83 0.84 15.32 0.00 0.00 0.00 15:01:01 eth0 1.07 0.09 0.09 0.01 0.00 0.00 0.00 15:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 eth0 3.36 1.78 3.61 0.47 0.00 0.00 0.00 15:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 eth0 0.47 0.08 0.04 0.01 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 15:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 117.73 76.57 209.65 22.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.26 0.97 0.17 3.08 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 03/12/20 _x86_64_ (4 CPU) 14:58:40 LINUX RESTART 14:59:01 CPU %user %nice %system %iowait %steal %idle 15:00:03 all 12.30 0.00 5.53 3.12 0.02 79.04 15:00:03 0 12.61 0.00 5.97 2.39 0.02 79.01 15:00:03 1 12.14 0.00 5.25 3.27 0.02 79.32 15:00:03 2 13.82 0.00 5.22 4.67 0.02 76.27 15:00:03 3 10.63 0.00 5.65 2.16 0.02 81.55 15:01:01 all 0.16 0.00 0.06 0.00 0.00 99.77 15:01:01 0 0.09 0.00 0.07 0.00 0.00 99.84 15:01:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:01:01 2 0.09 0.00 0.07 0.00 0.00 99.84 15:01:01 3 0.43 0.00 0.07 0.00 0.00 99.50 15:02:01 all 0.17 0.00 0.07 0.00 0.00 99.76 15:02:01 0 0.13 0.00 0.10 0.00 0.00 99.77 15:02:01 1 0.10 0.00 0.08 0.00 0.02 99.80 15:02:01 2 0.17 0.00 0.07 0.00 0.00 99.77 15:02:01 3 0.25 0.00 0.05 0.00 0.00 99.70 15:03:01 all 0.08 0.00 0.05 0.00 0.00 99.87 15:03:01 0 0.18 0.00 0.07 0.00 0.02 99.73 15:03:01 1 0.02 0.00 0.03 0.00 0.00 99.95 15:03:01 2 0.07 0.00 0.03 0.00 0.00 99.90 15:03:01 3 0.07 0.00 0.05 0.00 0.00 99.88 15:04:01 all 0.18 0.00 0.03 0.00 0.00 99.79 15:04:01 0 0.52 0.00 0.03 0.00 0.00 99.45 15:04:01 1 0.07 0.00 0.03 0.00 0.00 99.90 15:04:01 2 0.10 0.00 0.03 0.00 0.00 99.87 15:04:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 2.58 0.00 1.15 0.62 0.01 95.64 Average: 0 2.70 0.00 1.24 0.48 0.01 95.57 Average: 1 2.48 0.00 1.09 0.66 0.01 95.76 Average: 2 2.85 0.00 1.09 0.93 0.00 95.13 Average: 3 2.28 0.00 1.16 0.43 0.00 96.12