---> uname -a: Linux fc5af21cfe86 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-536 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-536@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 658 116 0 1063 1074 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) 06/11/20 _x86_64_ (4 CPU) 03:43:45 LINUX RESTART 03:44:01 tps rtps wtps bread/s bwrtn/s 03:45:01 172.75 81.54 91.21 10213.45 40368.50 03:46:01 0.95 0.02 0.93 0.53 23.45 03:47:01 0.17 0.00 0.17 0.00 2.47 03:48:01 0.28 0.00 0.28 0.00 3.35 03:49:02 0.20 0.00 0.20 0.00 2.97 03:50:01 0.29 0.00 0.29 0.00 3.83 Average: 29.20 13.64 15.56 1707.87 6756.01 03:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:45:01 161344 1720212 91.42 2620 1143764 1103624 37.66 420044 1139664 120 03:46:01 166612 1714944 91.14 2620 1143796 1071060 36.55 418712 1136888 20 03:47:01 165944 1715612 91.18 2620 1143804 1071280 36.56 419720 1136876 16 03:48:01 164268 1717288 91.27 2620 1143804 1071304 36.56 421552 1136380 16 03:49:02 164232 1717324 91.27 2620 1143812 1071392 36.56 426560 1131652 16 03:50:01 165308 1716248 91.21 2620 1143816 1071248 36.56 425752 1131512 12 Average: 164618 1716938 91.25 2620 1143799 1076651 36.74 422057 1135495 33 03:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:45:01 eth0 573.03 350.51 1078.00 114.97 0.00 0.00 0.00 03:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:45:01 docker0 8.47 6.91 1.18 17.67 0.00 0.00 0.00 03:46:01 eth0 0.85 0.08 0.07 0.04 0.00 0.00 0.00 03:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 eth0 2.48 0.55 0.69 0.36 0.00 0.00 0.00 03:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 eth0 1.60 0.63 0.59 0.40 0.00 0.00 0.00 03:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:02 eth0 0.55 0.37 0.27 0.23 0.00 0.00 0.00 03:49:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:49:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 eth0 0.27 0.17 0.09 0.07 0.00 0.00 0.00 03:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 96.78 58.91 180.54 19.41 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.42 1.16 0.20 2.95 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) 06/11/20 _x86_64_ (4 CPU) 03:43:45 LINUX RESTART 03:44:01 CPU %user %nice %system %iowait %steal %idle 03:45:01 all 14.53 0.00 7.02 9.87 0.02 68.57 03:45:01 0 15.67 0.00 7.68 6.40 0.03 70.22 03:45:01 1 13.27 0.00 6.57 8.59 0.03 71.54 03:45:01 2 14.97 0.00 7.48 9.26 0.02 68.28 03:45:01 3 14.21 0.00 6.33 15.25 0.02 64.19 03:46:01 all 0.15 0.00 0.02 0.00 0.00 99.82 03:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:46:01 1 0.07 0.00 0.03 0.00 0.00 99.90 03:46:01 2 0.52 0.00 0.02 0.00 0.00 99.47 03:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 03:47:01 all 0.14 0.00 0.02 0.00 0.00 99.84 03:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:47:01 1 0.05 0.00 0.03 0.00 0.00 99.92 03:47:01 2 0.45 0.00 0.02 0.00 0.00 99.53 03:47:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:48:01 all 0.17 0.00 0.02 0.00 0.00 99.82 03:48:01 0 0.02 0.00 0.00 0.00 0.00 99.98 03:48:01 1 0.05 0.00 0.02 0.00 0.00 99.93 03:48:01 2 0.58 0.00 0.02 0.00 0.00 99.40 03:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 03:49:02 all 0.16 0.00 0.02 0.00 0.00 99.82 03:49:02 0 0.03 0.00 0.03 0.00 0.00 99.93 03:49:02 1 0.05 0.00 0.03 0.00 0.00 99.92 03:49:02 2 0.53 0.00 0.02 0.00 0.00 99.45 03:49:02 3 0.02 0.00 0.02 0.00 0.00 99.97 03:50:01 all 0.14 0.00 0.03 0.00 0.00 99.83 03:50:01 0 0.00 0.00 0.00 0.00 0.00 100.00 03:50:01 1 0.05 0.00 0.08 0.00 0.00 99.86 03:50:01 2 0.51 0.00 0.02 0.00 0.00 99.47 03:50:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 2.54 0.00 1.18 1.64 0.00 94.64 Average: 0 2.62 0.00 1.29 1.06 0.01 95.03 Average: 1 2.25 0.00 1.13 1.43 0.01 95.19 Average: 2 2.92 0.00 1.26 1.54 0.00 94.29 Average: 3 2.37 0.00 1.06 2.53 0.00 94.04