---> uname -a: Linux 2949a53a0748 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-571 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-571@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 612 118 0 1106 1118 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) 08/26/20 _x86_64_ (4 CPU) 07:42:50 LINUX RESTART 07:44:01 tps rtps wtps bread/s bwrtn/s 07:45:01 2.51 0.00 2.51 0.00 56.42 07:46:01 0.30 0.00 0.30 0.00 4.60 07:47:01 0.40 0.00 0.40 0.00 5.58 07:48:01 0.28 0.00 0.28 0.00 2.85 07:49:01 115.50 77.76 37.74 5559.91 16293.01 Average: 23.81 15.56 8.25 1112.35 3273.58 07:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:45:01 176596 1704960 90.61 2620 1177208 1056696 36.06 377920 1166936 12 07:46:01 175856 1705700 90.65 2620 1177212 1056924 36.07 379620 1166644 12 07:47:01 177060 1704496 90.59 2620 1177220 1056696 36.06 378280 1166648 12 07:48:01 173628 1707928 90.77 2620 1177220 1056864 36.07 387492 1160368 8 07:49:01 133384 1748172 92.91 2620 1138892 1271688 43.40 440916 1107740 97848 Average: 167305 1714251 91.11 2620 1169550 1099774 37.53 392846 1153667 19578 07:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:45:01 eth0 0.60 0.15 0.04 0.04 0.00 0.00 0.00 07:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 eth0 3.38 2.03 2.98 0.28 0.00 0.00 0.00 07:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 eth0 0.58 0.08 0.06 0.04 0.00 0.00 0.00 07:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 eth0 0.45 0.45 0.27 0.21 0.00 0.00 0.00 07:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 eth0 100.37 63.73 2327.18 9.62 0.00 0.00 0.00 07:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 21.08 13.29 466.26 2.04 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 08/26/20 _x86_64_ (4 CPU) 07:42:50 LINUX RESTART 07:44:01 CPU %user %nice %system %iowait %steal %idle 07:45:01 all 0.12 0.00 0.04 0.00 0.00 99.84 07:45:01 0 0.33 0.00 0.03 0.00 0.00 99.63 07:45:01 1 0.07 0.00 0.03 0.00 0.00 99.90 07:45:01 2 0.07 0.00 0.07 0.00 0.00 99.87 07:45:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:46:01 all 0.17 0.00 0.03 0.00 0.00 99.80 07:46:01 0 0.53 0.00 0.07 0.00 0.00 99.40 07:46:01 1 0.03 0.00 0.03 0.00 0.00 99.93 07:46:01 2 0.05 0.00 0.03 0.00 0.00 99.92 07:46:01 3 0.05 0.00 0.02 0.00 0.00 99.93 07:47:01 all 0.10 0.00 0.03 0.00 0.00 99.87 07:47:01 0 0.33 0.00 0.05 0.00 0.00 99.62 07:47:01 1 0.05 0.00 0.03 0.00 0.00 99.92 07:47:01 2 0.03 0.00 0.02 0.00 0.00 99.95 07:47:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:48:01 all 0.04 0.00 0.05 0.00 0.00 99.91 07:48:01 0 0.05 0.00 0.03 0.00 0.00 99.92 07:48:01 1 0.03 0.00 0.08 0.00 0.00 99.88 07:48:01 2 0.03 0.00 0.03 0.00 0.00 99.93 07:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:49:01 all 4.68 0.00 2.77 1.92 0.01 90.62 07:49:01 0 4.07 0.00 2.44 0.30 0.02 93.17 07:49:01 1 5.64 0.00 3.41 3.88 0.02 87.06 07:49:01 2 4.47 0.00 2.43 1.58 0.02 91.50 07:49:01 3 4.54 0.00 2.83 1.89 0.02 90.72 Average: all 1.02 0.00 0.58 0.38 0.00 98.02 Average: 0 1.06 0.00 0.52 0.06 0.00 98.36 Average: 1 1.16 0.00 0.72 0.77 0.00 97.35 Average: 2 0.93 0.00 0.51 0.31 0.00 98.24 Average: 3 0.92 0.00 0.58 0.38 0.00 98.12