---> uname -a: Linux 4787992856a3 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: 2933.442 BogoMIPS: 5866.88 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-27 /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-27@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 669 128 0 1039 1062 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) 06/23/20 _x86_64_ (4 CPU) 20:44:16 LINUX RESTART 20:45:01 tps rtps wtps bread/s bwrtn/s 20:46:01 37.67 10.92 26.75 4432.30 2610.57 20:47:01 1.50 0.00 1.50 0.00 26.78 20:48:01 0.27 0.00 0.27 0.00 3.28 20:49:01 0.30 0.00 0.30 0.00 3.78 20:50:01 0.22 0.00 0.22 0.00 2.51 20:51:01 100.68 70.60 30.08 5396.10 15027.20 Average: 23.45 13.59 9.85 1638.48 2946.42 20:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:46:01 147944 1733612 92.14 2620 1141268 1120880 38.25 455676 1117736 20 20:47:01 155480 1726076 91.74 2620 1141272 1071744 36.58 451808 1114996 12 20:48:01 154708 1726848 91.78 2620 1141280 1071948 36.58 453096 1115000 12 20:49:01 153872 1727684 91.82 2620 1141280 1071876 36.58 454516 1114400 8 20:50:01 154396 1727160 91.79 2620 1141344 1071816 36.58 457744 1110824 28 20:51:01 120012 1761544 93.62 2620 1077388 1489144 50.82 521924 1057544 33376 Average: 147735 1733821 92.15 2620 1130639 1149568 39.23 465794 1105083 5576 20:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:46:01 eth0 232.31 186.32 586.06 180.22 0.00 0.00 0.00 20:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 docker0 56.50 42.55 4.28 132.67 0.00 0.00 0.00 20:47:01 eth0 1.20 0.07 0.11 0.01 0.00 0.00 0.00 20:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 eth0 1.02 0.62 0.54 0.40 0.00 0.00 0.00 20:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 eth0 0.65 0.33 0.47 0.25 0.00 0.00 0.00 20:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 eth0 0.37 0.22 0.15 0.07 0.00 0.00 0.00 20:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 eth0 99.60 65.49 2330.02 10.23 0.00 0.00 0.00 20:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 55.87 42.18 486.35 31.87 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.42 7.09 0.71 22.12 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) 06/23/20 _x86_64_ (4 CPU) 20:44:16 LINUX RESTART 20:45:01 CPU %user %nice %system %iowait %steal %idle 20:46:01 all 4.08 0.00 1.82 1.24 0.00 92.86 20:46:01 0 3.85 0.00 2.58 0.89 0.00 92.69 20:46:01 1 4.15 0.00 1.72 0.70 0.00 93.43 20:46:01 2 4.45 0.00 1.39 1.37 0.00 92.79 20:46:01 3 3.85 0.00 1.55 1.99 0.02 92.59 20:47:01 all 0.15 0.00 0.04 0.00 0.00 99.82 20:47:01 0 0.47 0.00 0.03 0.00 0.00 99.50 20:47:01 1 0.05 0.00 0.05 0.00 0.00 99.90 20:47:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:48:01 all 0.16 0.00 0.04 0.00 0.00 99.80 20:48:01 0 0.40 0.00 0.03 0.00 0.00 99.57 20:48:01 1 0.03 0.00 0.03 0.00 0.00 99.93 20:48:01 2 0.13 0.00 0.05 0.00 0.00 99.82 20:48:01 3 0.07 0.00 0.03 0.00 0.00 99.90 20:49:01 all 0.12 0.00 0.04 0.00 0.00 99.84 20:49:01 0 0.38 0.00 0.07 0.00 0.00 99.55 20:49:01 1 0.02 0.00 0.02 0.00 0.00 99.97 20:49:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:49:01 3 0.02 0.00 0.02 0.00 0.00 99.97 20:50:01 all 0.16 0.00 0.06 0.00 0.00 99.78 20:50:01 0 0.52 0.00 0.02 0.00 0.00 99.47 20:50:01 1 0.05 0.00 0.03 0.00 0.00 99.92 20:50:01 2 0.05 0.00 0.17 0.00 0.00 99.78 20:50:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:51:01 all 4.14 0.00 2.33 1.49 0.00 92.03 20:51:01 0 4.60 0.00 2.31 0.84 0.00 92.26 20:51:01 1 3.82 0.00 2.04 1.67 0.00 92.47 20:51:01 2 4.20 0.00 2.54 2.02 0.00 91.24 20:51:01 3 3.94 0.00 2.46 1.46 0.00 92.14 Average: all 1.46 0.00 0.72 0.45 0.00 97.36 Average: 0 1.70 0.00 0.84 0.29 0.00 97.18 Average: 1 1.35 0.00 0.65 0.39 0.00 97.61 Average: 2 1.48 0.00 0.71 0.56 0.00 97.24 Average: 3 1.32 0.00 0.69 0.57 0.00 97.42