---> uname -a: Linux 8d58997617eb 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-549 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-549@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 670 109 0 1058 1060 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) 07/22/20 _x86_64_ (4 CPU) 02:41:56 LINUX RESTART 02:43:01 tps rtps wtps bread/s bwrtn/s 02:44:01 2.41 0.00 2.41 0.00 50.41 02:45:01 0.40 0.00 0.40 0.00 5.30 02:46:01 0.30 0.00 0.30 0.00 3.65 02:47:01 0.23 0.00 0.23 0.00 2.83 02:48:01 157.70 102.75 54.95 8006.93 19949.08 Average: 32.21 20.55 11.66 1601.49 4002.52 02:43:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:44:01 150108 1731448 92.02 2620 1140492 1100228 37.55 446828 1125320 20 02:45:01 151028 1730528 91.97 2620 1140496 1079696 36.85 448160 1123772 12 02:46:01 150172 1731384 92.02 2620 1140504 1079828 36.85 449780 1122912 8 02:47:01 149052 1732504 92.08 2620 1140504 1079852 36.85 455740 1118224 16 02:48:01 133564 1747992 92.90 2620 1080892 1223352 41.75 491036 1055108 300 Average: 146785 1734771 92.20 2620 1128578 1112591 37.97 458309 1109067 71 02:43:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:44:01 eth0 1.72 1.00 1.14 0.40 0.00 0.00 0.00 02:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:45:01 eth0 0.73 0.08 0.06 0.04 0.00 0.00 0.00 02:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 eth0 0.95 0.30 0.32 0.20 0.00 0.00 0.00 02:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:47:01 eth0 1.07 0.37 0.32 0.20 0.00 0.00 0.00 02:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:48:01 vethfa14c00 0.22 0.28 0.38 0.10 0.00 0.00 0.00 02:48:01 eth0 581.25 356.47 3454.84 125.56 0.00 0.00 0.00 02:48:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 02:48:01 docker0 9.59 7.59 1.49 17.54 0.00 0.00 0.00 Average: vethfa14c00 0.04 0.06 0.08 0.02 0.00 0.00 0.00 Average: eth0 116.26 71.30 691.01 25.11 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.92 1.52 0.30 3.51 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) 07/22/20 _x86_64_ (4 CPU) 02:41:56 LINUX RESTART 02:43:01 CPU %user %nice %system %iowait %steal %idle 02:44:01 all 0.21 0.00 0.04 0.00 0.00 99.75 02:44:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:44:01 1 0.47 0.00 0.03 0.00 0.00 99.50 02:44:01 2 0.05 0.00 0.05 0.00 0.00 99.90 02:44:01 3 0.28 0.00 0.05 0.00 0.00 99.67 02:45:01 all 0.10 0.00 0.03 0.00 0.00 99.87 02:45:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:45:01 1 0.32 0.00 0.03 0.00 0.00 99.65 02:45:01 2 0.05 0.00 0.00 0.00 0.00 99.95 02:45:01 3 0.03 0.00 0.03 0.00 0.00 99.93 02:46:01 all 0.03 0.00 0.02 0.00 0.00 99.95 02:46:01 0 0.03 0.00 0.02 0.00 0.00 99.95 02:46:01 1 0.03 0.00 0.02 0.00 0.00 99.95 02:46:01 2 0.00 0.00 0.02 0.00 0.00 99.98 02:46:01 3 0.03 0.00 0.02 0.00 0.00 99.95 02:47:01 all 0.14 0.00 0.02 0.00 0.00 99.83 02:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 02:47:01 1 0.05 0.00 0.03 0.00 0.00 99.92 02:47:01 2 0.48 0.00 0.03 0.00 0.00 99.48 02:47:01 3 0.02 0.00 0.03 0.00 0.00 99.95 02:48:01 all 5.75 0.00 3.32 2.20 0.01 88.70 02:48:01 0 4.75 0.00 3.27 2.99 0.02 88.98 02:48:01 1 7.02 0.00 4.24 3.07 0.02 85.66 02:48:01 2 4.99 0.00 2.86 0.50 0.00 91.64 02:48:01 3 6.26 0.00 2.92 2.25 0.02 88.56 Average: all 1.24 0.00 0.68 0.44 0.00 97.63 Average: 0 0.96 0.00 0.67 0.59 0.00 97.77 Average: 1 1.57 0.00 0.87 0.61 0.00 96.95 Average: 2 1.11 0.00 0.59 0.10 0.00 98.20 Average: 3 1.32 0.00 0.61 0.45 0.00 97.62