---> uname -a: Linux 88060955af86 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 42.7G 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 42.7G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-24 /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-24@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 656 107 0 1073 1075 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) 06/15/20 _x86_64_ (4 CPU) 18:20:19 LINUX RESTART 18:21:01 tps rtps wtps bread/s bwrtn/s 18:22:01 47.35 11.92 35.43 4489.78 3069.16 18:23:01 1.55 0.00 1.55 0.00 26.50 18:24:01 0.27 0.00 0.27 0.00 3.88 18:25:01 0.23 0.00 0.23 0.00 2.70 Average: 12.35 2.98 9.37 1122.68 775.72 18:21:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:22:01 158168 1723388 91.59 2620 1155276 1124028 38.36 430048 1133292 20 18:23:01 164268 1717288 91.27 2620 1155280 1079276 36.83 429556 1128864 20 18:24:01 163524 1718032 91.31 2620 1155288 1079420 36.84 430484 1128864 8 18:25:01 161724 1719832 91.40 2620 1155288 1079444 36.84 432208 1128292 12 Average: 161921 1719635 91.39 2620 1155283 1090542 37.22 430574 1129828 15 18:21:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:22:01 eth0 264.29 206.01 740.15 186.17 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 51.78 47.22 4.16 135.41 0.00 0.00 0.00 18:23:01 eth0 1.60 0.48 0.92 0.03 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 eth0 0.82 0.33 0.31 0.20 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 eth0 0.48 0.28 0.27 0.20 0.00 0.00 0.00 18:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 66.81 51.79 185.45 46.66 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.95 11.81 1.04 33.86 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) 06/15/20 _x86_64_ (4 CPU) 18:20:19 LINUX RESTART 18:21:01 CPU %user %nice %system %iowait %steal %idle 18:22:01 all 4.83 0.00 1.96 1.69 0.00 91.51 18:22:01 0 5.07 0.00 2.39 0.10 0.00 92.44 18:22:01 1 4.81 0.00 1.74 0.52 0.00 92.93 18:22:01 2 4.12 0.00 1.61 0.22 0.02 94.04 18:22:01 3 5.31 0.00 2.13 5.93 0.02 86.62 18:23:01 all 0.15 0.00 0.04 0.00 0.00 99.80 18:23:01 0 0.23 0.00 0.03 0.00 0.00 99.73 18:23:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:23:01 2 0.20 0.00 0.05 0.00 0.00 99.75 18:23:01 3 0.15 0.00 0.05 0.00 0.00 99.80 18:24:01 all 0.16 0.00 0.03 0.00 0.00 99.80 18:24:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:24:01 1 0.07 0.00 0.03 0.00 0.00 99.90 18:24:01 2 0.48 0.00 0.03 0.00 0.00 99.48 18:24:01 3 0.07 0.00 0.05 0.00 0.00 99.88 18:25:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:25:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:25:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:25:01 2 0.53 0.00 0.03 0.00 0.00 99.43 18:25:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 1.32 0.00 0.52 0.42 0.00 97.74 Average: 0 1.34 0.00 0.62 0.03 0.00 98.01 Average: 1 1.23 0.00 0.45 0.13 0.00 98.19 Average: 2 1.33 0.00 0.43 0.05 0.00 98.18 Average: 3 1.38 0.00 0.56 1.48 0.00 96.57