---> uname -a: Linux 0e8433dc4b8b 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-549 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-549@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 670 121 0 1045 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) 07/16/20 _x86_64_ (4 CPU) 22:40:57 LINUX RESTART 22:42:01 tps rtps wtps bread/s bwrtn/s 22:43:02 3.03 0.50 2.53 26.50 54.42 22:44:01 0.49 0.00 0.49 0.00 8.22 22:45:01 0.20 0.00 0.20 0.00 1.91 22:46:01 0.30 0.00 0.30 0.00 3.76 22:47:01 0.32 0.00 0.32 0.00 4.16 Average: 0.87 0.10 0.77 5.32 14.52 22:42:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:43:02 149576 1731980 92.05 2620 1135800 1128764 38.52 454284 1116764 20 22:44:01 153984 1727572 91.82 2620 1135804 1100336 37.55 453936 1113808 16 22:45:01 154620 1726936 91.78 2620 1135812 1095196 37.38 453608 1113644 8 22:46:01 154324 1727232 91.80 2620 1135812 1081976 36.93 461304 1106632 8 22:47:01 154992 1726564 91.76 2620 1135816 1081904 36.92 461788 1105628 16 Average: 153499 1728057 91.84 2620 1135809 1097635 37.46 456984 1111295 14 22:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:43:02 eth0 19.41 11.99 10.06 39.03 0.00 0.00 0.00 22:43:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:02 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 22:44:01 eth0 1.42 0.47 0.59 0.39 0.00 0.00 0.00 22:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 eth0 1.10 0.38 0.32 0.20 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 eth0 0.50 0.37 0.27 0.21 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 eth0 0.30 0.20 0.14 0.07 0.00 0.00 0.00 22:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.56 2.69 2.28 8.01 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) 07/16/20 _x86_64_ (4 CPU) 22:40:57 LINUX RESTART 22:42:01 CPU %user %nice %system %iowait %steal %idle 22:43:02 all 0.68 0.00 0.14 0.00 0.00 99.18 22:43:02 0 0.58 0.00 0.17 0.00 0.02 99.23 22:43:02 1 0.88 0.00 0.05 0.00 0.00 99.07 22:43:02 2 0.58 0.00 0.17 0.00 0.00 99.25 22:43:02 3 0.68 0.00 0.17 0.00 0.02 99.13 22:44:01 all 0.15 0.00 0.05 0.00 0.00 99.80 22:44:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:44:01 1 0.12 0.00 0.05 0.00 0.00 99.83 22:44:01 2 0.42 0.00 0.05 0.00 0.00 99.53 22:44:01 3 0.03 0.00 0.07 0.00 0.00 99.90 22:45:01 all 0.16 0.00 0.03 0.00 0.00 99.81 22:45:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:45:01 1 0.03 0.00 0.05 0.00 0.00 99.92 22:45:01 2 0.48 0.00 0.02 0.00 0.00 99.50 22:45:01 3 0.07 0.00 0.07 0.00 0.00 99.87 22:46:01 all 0.15 0.00 0.05 0.00 0.00 99.80 22:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:46:01 1 0.03 0.00 0.10 0.00 0.00 99.87 22:46:01 2 0.50 0.00 0.03 0.00 0.00 99.47 22:46:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:47:01 all 0.16 0.00 0.05 0.00 0.00 99.80 22:47:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:47:01 1 0.03 0.00 0.10 0.00 0.00 99.87 22:47:01 2 0.53 0.00 0.05 0.00 0.00 99.42 22:47:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.26 0.00 0.06 0.00 0.00 99.67 Average: 0 0.15 0.00 0.05 0.00 0.00 99.80 Average: 1 0.22 0.00 0.07 0.00 0.00 99.71 Average: 2 0.50 0.00 0.06 0.00 0.00 99.43 Average: 3 0.17 0.00 0.07 0.00 0.00 99.76