---> uname -a: Linux 0935f5bf4849 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: 2933.438 BogoMIPS: 5866.87 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-567 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-567@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 673 122 0 1040 1057 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) 08/17/20 _x86_64_ (4 CPU) 09:42:59 LINUX RESTART 09:44:03 tps rtps wtps bread/s bwrtn/s 09:45:01 29.63 12.25 17.38 4700.07 2177.34 09:46:01 0.32 0.00 0.32 0.00 4.46 09:47:01 0.22 0.00 0.22 0.00 2.20 09:48:01 0.30 0.00 0.30 0.00 3.65 09:49:01 0.28 0.00 0.28 0.00 3.98 09:50:01 0.28 0.00 0.28 0.00 3.35 Average: 5.04 1.99 3.05 762.08 355.99 09:44:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:45:01 185780 1695776 90.13 2620 1099680 1141076 38.94 422544 1114448 24 09:46:01 193108 1688448 89.74 2620 1099628 1081416 36.91 422232 1108920 8 09:47:01 192524 1689032 89.77 2620 1099636 1081488 36.91 422788 1108924 8 09:48:01 191216 1690340 89.84 2620 1099636 1081464 36.91 424288 1108280 8 09:49:01 192448 1689108 89.77 2620 1099640 1081356 36.90 428888 1103176 8 09:50:01 188772 1692784 89.97 2620 1099648 1081272 36.90 441884 1093792 12 Average: 190641 1690915 89.87 2620 1099645 1091345 37.25 427104 1106257 11 09:44:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:45:01 eth0 69.61 60.81 470.91 51.92 0.00 0.00 0.00 09:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:45:01 docker0 7.48 6.69 0.98 18.26 0.00 0.00 0.00 09:46:01 eth0 1.63 0.83 2.80 0.06 0.00 0.00 0.00 09:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 eth0 0.73 0.32 0.29 0.20 0.00 0.00 0.00 09:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:48:01 eth0 0.57 0.32 0.31 0.20 0.00 0.00 0.00 09:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 eth0 0.27 0.20 0.14 0.07 0.00 0.00 0.00 09:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 11.83 10.14 76.95 8.51 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.21 1.09 0.16 2.96 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) 08/17/20 _x86_64_ (4 CPU) 09:42:59 LINUX RESTART 09:44:03 CPU %user %nice %system %iowait %steal %idle 09:45:01 all 2.86 0.00 1.81 0.72 2.54 92.07 09:45:01 0 3.43 0.00 2.23 1.78 2.74 89.82 09:45:01 1 3.36 0.00 1.82 0.54 2.39 91.89 09:45:01 2 2.78 0.00 1.80 0.12 2.63 92.67 09:45:01 3 1.89 0.00 1.39 0.43 2.41 93.88 09:46:01 all 0.16 0.00 0.05 0.00 0.18 99.60 09:46:01 0 0.10 0.00 0.03 0.00 0.10 99.77 09:46:01 1 0.12 0.00 0.07 0.00 0.30 99.52 09:46:01 2 0.37 0.00 0.07 0.00 0.30 99.27 09:46:01 3 0.07 0.00 0.03 0.00 0.05 99.85 09:47:01 all 0.12 0.00 0.03 0.00 0.26 99.58 09:47:01 0 0.05 0.00 0.05 0.00 0.25 99.65 09:47:01 1 0.07 0.00 0.05 0.00 0.18 99.70 09:47:01 2 0.33 0.00 0.03 0.00 0.28 99.35 09:47:01 3 0.02 0.00 0.02 0.00 0.30 99.67 09:48:01 all 0.11 0.00 0.04 0.00 0.27 99.59 09:48:01 0 0.02 0.00 0.03 0.00 0.07 99.88 09:48:01 1 0.05 0.00 0.03 0.00 0.25 99.67 09:48:01 2 0.35 0.00 0.07 0.00 0.33 99.25 09:48:01 3 0.03 0.00 0.02 0.00 0.43 99.52 09:49:01 all 0.13 0.00 0.06 0.00 0.16 99.65 09:49:01 0 0.02 0.00 0.02 0.00 0.03 99.93 09:49:01 1 0.10 0.00 0.03 0.00 0.18 99.68 09:49:01 2 0.38 0.00 0.15 0.00 0.17 99.30 09:49:01 3 0.00 0.00 0.03 0.00 0.25 99.72 09:50:01 all 0.12 0.00 0.07 0.00 0.11 99.70 09:50:01 0 0.02 0.00 0.02 0.00 0.03 99.93 09:50:01 1 0.43 0.00 0.07 0.00 0.27 99.23 09:50:01 2 0.02 0.00 0.13 0.00 0.08 99.77 09:50:01 3 0.02 0.00 0.03 0.00 0.05 99.90 Average: all 0.57 0.00 0.33 0.12 0.57 98.41 Average: 0 0.59 0.00 0.39 0.29 0.52 98.22 Average: 1 0.67 0.00 0.34 0.09 0.58 98.32 Average: 2 0.69 0.00 0.37 0.02 0.62 98.30 Average: 3 0.33 0.00 0.25 0.07 0.57 98.78