---> uname -a: Linux 9fb1ca513408 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 639 117 0 1081 1093 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) 02:41:00 LINUX RESTART 02:42:01 tps rtps wtps bread/s bwrtn/s 02:43:01 5.65 1.82 3.83 128.43 138.35 02:44:01 0.27 0.00 0.27 0.00 3.65 02:45:01 0.43 0.00 0.43 0.00 5.85 02:46:01 0.23 0.00 0.23 0.00 2.70 02:47:01 0.32 0.00 0.32 0.00 4.63 Average: 1.38 0.36 1.02 25.69 31.04 02:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:43:01 165560 1715996 91.20 2620 1149536 1118896 38.19 422700 1132792 20 02:44:01 168992 1712564 91.02 2620 1149540 1099780 37.53 422524 1130456 16 02:45:01 171380 1710176 90.89 2620 1149596 1080200 36.87 422436 1128396 16 02:46:01 169176 1712380 91.01 2620 1149548 1080356 36.87 428444 1124784 16 02:47:01 168980 1712576 91.02 2620 1149552 1080380 36.87 431644 1121756 16 Average: 168818 1712738 91.03 2620 1149554 1091922 37.27 425550 1127637 17 02:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:43:01 eth0 19.45 13.39 10.69 31.17 0.00 0.00 0.00 02:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:43:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 02:44:01 eth0 1.17 0.65 0.56 0.37 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 1.03 0.52 0.33 0.21 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 1.28 0.57 0.50 0.28 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 Average: eth0 4.73 3.04 2.43 6.41 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) 07/22/20 _x86_64_ (4 CPU) 02:41:00 LINUX RESTART 02:42:01 CPU %user %nice %system %iowait %steal %idle 02:43:01 all 0.78 0.00 0.19 0.03 0.00 98.99 02:43:01 0 0.83 0.00 0.23 0.02 0.00 98.92 02:43:01 1 0.68 0.00 0.13 0.02 0.02 99.15 02:43:01 2 0.72 0.00 0.17 0.07 0.00 99.05 02:43:01 3 0.88 0.00 0.25 0.00 0.02 98.85 02:44:01 all 0.15 0.00 0.04 0.00 0.00 99.81 02:44:01 0 0.03 0.00 0.03 0.00 0.00 99.93 02:44:01 1 0.03 0.00 0.03 0.00 0.00 99.93 02:44:01 2 0.05 0.00 0.05 0.00 0.00 99.90 02:44:01 3 0.50 0.00 0.05 0.00 0.00 99.45 02:45:01 all 0.15 0.00 0.03 0.00 0.00 99.81 02:45:01 0 0.03 0.00 0.02 0.00 0.00 99.95 02:45:01 1 0.03 0.00 0.03 0.00 0.00 99.93 02:45:01 2 0.05 0.00 0.02 0.00 0.00 99.93 02:45:01 3 0.52 0.00 0.03 0.00 0.00 99.45 02:46:01 all 0.15 0.00 0.03 0.00 0.00 99.82 02:46:01 0 0.05 0.00 0.03 0.00 0.00 99.92 02:46:01 1 0.05 0.00 0.05 0.00 0.00 99.90 02:46:01 2 0.02 0.00 0.02 0.00 0.00 99.97 02:46:01 3 0.48 0.00 0.03 0.00 0.00 99.48 02:47:01 all 0.16 0.00 0.05 0.00 0.00 99.80 02:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 02:47:01 1 0.02 0.00 0.08 0.00 0.00 99.90 02:47:01 2 0.05 0.00 0.03 0.00 0.00 99.92 02:47:01 3 0.55 0.00 0.03 0.00 0.00 99.42 Average: all 0.28 0.00 0.07 0.01 0.00 99.65 Average: 0 0.19 0.00 0.07 0.00 0.00 99.74 Average: 1 0.16 0.00 0.07 0.00 0.00 99.76 Average: 2 0.18 0.00 0.06 0.01 0.00 99.75 Average: 3 0.59 0.00 0.08 0.00 0.00 99.33