---> uname -a: Linux 1dcebf44b47c 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% /w/workspace/dgexfoundry_device-sdk-go_PR-541 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-541@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 640 127 0 1069 1091 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) 06/16/20 _x86_64_ (4 CPU) 19:58:05 LINUX RESTART 19:59:01 tps rtps wtps bread/s bwrtn/s 20:00:01 19.98 3.53 16.45 956.91 2043.47 20:01:01 1.92 0.02 1.90 0.13 31.96 20:02:01 0.65 0.12 0.53 2.13 10.22 20:03:01 0.37 0.00 0.37 0.00 4.38 20:04:01 0.30 0.00 0.30 0.00 3.73 Average: 4.64 0.73 3.91 191.85 418.79 19:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:01 177092 1704464 90.59 2620 1142972 1124532 38.38 432312 1112376 8 20:01:01 180940 1700616 90.38 2620 1143068 1090584 37.22 430144 1110812 20 20:02:01 180524 1701032 90.41 2620 1143120 1088880 37.16 431000 1110864 16 20:03:01 178940 1702616 90.49 2620 1143120 1088916 37.16 432996 1110296 8 20:04:01 181012 1700544 90.38 2620 1143128 1088688 37.15 438184 1103956 20 Average: 179702 1701854 90.45 2620 1143082 1096320 37.42 432927 1109661 14 19:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:00:01 eth0 44.01 35.58 44.94 41.68 0.00 0.00 0.00 20:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 docker0 10.59 8.52 1.38 17.95 0.00 0.00 0.00 20:01:01 eth0 0.58 0.08 0.06 0.01 0.00 0.00 0.00 20:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 eth0 1.73 0.57 0.74 0.39 0.00 0.00 0.00 20:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 eth0 0.67 0.37 0.29 0.20 0.00 0.00 0.00 20:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 eth0 0.20 0.12 0.13 0.07 0.00 0.00 0.00 20:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 9.44 7.34 9.23 8.47 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.12 1.71 0.28 3.59 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) 06/16/20 _x86_64_ (4 CPU) 19:58:05 LINUX RESTART 19:59:01 CPU %user %nice %system %iowait %steal %idle 20:00:01 all 1.66 0.00 0.92 0.63 0.00 96.79 20:00:01 0 1.50 0.00 0.99 0.10 0.00 97.41 20:00:01 1 1.90 0.00 0.77 1.42 0.00 95.91 20:00:01 2 1.42 0.00 1.07 0.55 0.00 96.96 20:00:01 3 1.84 0.00 0.85 0.42 0.00 96.90 20:01:01 all 0.15 0.00 0.05 0.00 0.00 99.80 20:01:01 0 0.07 0.00 0.05 0.00 0.00 99.88 20:01:01 1 0.45 0.00 0.03 0.00 0.00 99.52 20:01:01 2 0.07 0.00 0.07 0.00 0.00 99.87 20:01:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:02:01 all 0.15 0.00 0.05 0.00 0.00 99.79 20:02:01 0 0.05 0.00 0.05 0.00 0.02 99.88 20:02:01 1 0.43 0.00 0.07 0.00 0.00 99.50 20:02:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:02:01 3 0.08 0.00 0.08 0.00 0.00 99.83 20:03:01 all 0.15 0.00 0.02 0.00 0.00 99.83 20:03:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:03:01 1 0.52 0.00 0.03 0.00 0.00 99.45 20:03:01 2 0.03 0.00 0.03 0.00 0.00 99.93 20:03:01 3 0.02 0.00 0.00 0.00 0.00 99.98 20:04:01 all 0.16 0.00 0.05 0.00 0.00 99.78 20:04:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:04:01 1 0.52 0.00 0.12 0.00 0.00 99.37 20:04:01 2 0.07 0.00 0.03 0.00 0.00 99.90 20:04:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 0.46 0.00 0.22 0.13 0.00 99.20 Average: 0 0.34 0.00 0.22 0.02 0.00 99.42 Average: 1 0.76 0.00 0.20 0.28 0.00 98.75 Average: 2 0.33 0.00 0.25 0.11 0.00 99.31 Average: 3 0.40 0.00 0.20 0.08 0.00 99.32