---> uname -a: Linux 6744bcce5e97 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-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 671 119 0 1046 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) 07/18/20 _x86_64_ (4 CPU) 13:22:04 LINUX RESTART 13:23:01 tps rtps wtps bread/s bwrtn/s 13:24:01 5.15 1.48 3.66 91.02 121.29 13:25:01 0.45 0.00 0.45 0.00 8.01 13:26:01 0.27 0.00 0.27 0.00 4.13 13:27:01 0.37 0.00 0.37 0.00 5.56 13:28:01 0.32 0.00 0.32 0.00 5.23 Average: 1.31 0.30 1.01 18.20 28.84 13:23:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:24:01 157144 1724412 91.65 2620 1134168 1112224 37.96 440412 1124244 20 13:25:01 161748 1719808 91.40 2620 1134172 1080728 36.88 441036 1120396 20 13:26:01 161056 1720500 91.44 2620 1134180 1080752 36.88 441364 1120396 16 13:27:01 160612 1720944 91.46 2620 1134228 1080584 36.88 445108 1117508 24 13:28:01 159948 1721608 91.50 2620 1134184 1080656 36.88 457140 1105728 16 Average: 160102 1721454 91.49 2620 1134186 1086989 37.10 445012 1117654 19 13:23:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:24:01 eth0 16.84 14.13 6.41 39.23 0.00 0.00 0.00 13:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:25:01 eth0 1.15 0.35 0.34 0.17 0.00 0.00 0.00 13:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:26:01 eth0 0.65 0.35 0.28 0.23 0.00 0.00 0.00 13:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:27:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 13:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:28:01 eth0 0.45 0.12 0.15 0.07 0.00 0.00 0.00 13:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.83 3.00 1.44 7.94 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) 07/18/20 _x86_64_ (4 CPU) 13:22:04 LINUX RESTART 13:23:01 CPU %user %nice %system %iowait %steal %idle 13:24:01 all 0.79 0.00 0.08 0.01 0.00 99.11 13:24:01 0 0.55 0.00 0.08 0.02 0.00 99.35 13:24:01 1 1.02 0.00 0.08 0.00 0.00 98.90 13:24:01 2 0.55 0.00 0.08 0.00 0.00 99.37 13:24:01 3 1.05 0.00 0.05 0.02 0.00 98.88 13:25:01 all 0.18 0.00 0.03 0.00 0.00 99.80 13:25:01 0 0.10 0.00 0.03 0.00 0.00 99.87 13:25:01 1 0.47 0.00 0.02 0.00 0.00 99.52 13:25:01 2 0.15 0.00 0.05 0.00 0.00 99.80 13:25:01 3 0.02 0.00 0.02 0.00 0.00 99.97 13:26:01 all 0.03 0.00 0.02 0.00 0.00 99.95 13:26:01 0 0.02 0.00 0.02 0.00 0.00 99.97 13:26:01 1 0.02 0.00 0.02 0.00 0.00 99.97 13:26:01 2 0.03 0.00 0.02 0.00 0.00 99.95 13:26:01 3 0.05 0.00 0.03 0.00 0.00 99.92 13:27:01 all 0.11 0.00 0.03 0.00 0.00 99.87 13:27:01 0 0.03 0.00 0.03 0.00 0.00 99.93 13:27:01 1 0.35 0.00 0.03 0.00 0.00 99.62 13:27:01 2 0.03 0.00 0.02 0.00 0.00 99.95 13:27:01 3 0.03 0.00 0.03 0.00 0.00 99.93 13:28:01 all 0.15 0.00 0.02 0.00 0.00 99.82 13:28:01 0 0.03 0.00 0.02 0.00 0.00 99.95 13:28:01 1 0.50 0.00 0.03 0.00 0.00 99.47 13:28:01 2 0.02 0.00 0.03 0.00 0.00 99.95 13:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.25 0.00 0.04 0.00 0.00 99.71 Average: 0 0.15 0.00 0.04 0.00 0.00 99.81 Average: 1 0.47 0.00 0.04 0.00 0.00 99.49 Average: 2 0.16 0.00 0.04 0.00 0.00 99.80 Average: 3 0.24 0.00 0.03 0.00 0.00 99.73