---> uname -a: Linux fe478d354d08 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-23 /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-23@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 690 111 0 1035 1041 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) 06/11/20 _x86_64_ (4 CPU) 22:31:04 LINUX RESTART 22:32:01 tps rtps wtps bread/s bwrtn/s 22:33:01 29.42 10.40 19.02 4395.27 2509.67 22:34:01 1.30 0.00 1.30 0.00 20.59 22:35:01 0.32 0.00 0.32 0.00 4.98 22:36:01 0.23 0.00 0.23 0.00 4.40 22:37:01 0.32 0.00 0.32 0.00 5.99 22:38:01 0.37 0.00 0.37 0.00 6.46 Average: 5.33 1.73 3.59 732.77 425.48 22:32:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:33:01 162380 1719176 91.37 2620 1146220 1142376 38.99 432912 1125124 24 22:34:01 164704 1716852 91.25 2620 1146224 1128428 38.51 433084 1123192 8 22:35:01 168276 1713280 91.06 2620 1146232 1096536 37.42 431168 1122132 8 22:36:01 166304 1715252 91.16 2620 1146232 1096560 37.42 433908 1121512 8 22:37:01 169964 1711592 90.97 2620 1146240 1061524 36.23 438604 1114176 8 22:38:01 167960 1713596 91.07 2620 1146248 1061652 36.23 445776 1108892 8 Average: 166598 1714958 91.15 2620 1146233 1097846 37.47 435909 1119171 11 22:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:33:01 eth0 158.16 126.31 582.16 172.17 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 51.89 46.68 4.34 132.87 0.00 0.00 0.00 22:34:01 eth0 1.07 0.40 0.34 0.21 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 eth0 1.66 0.38 0.38 0.20 0.00 0.00 0.00 22:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 eth0 1.57 0.63 0.59 0.41 0.00 0.00 0.00 22:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:01 eth0 1.30 0.30 0.42 0.26 0.00 0.00 0.00 22:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:38:01 eth0 0.65 0.42 0.29 0.22 0.00 0.00 0.00 22:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 27.41 21.41 97.39 28.92 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.65 7.78 0.72 22.15 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) 22:31:04 LINUX RESTART 22:32:01 CPU %user %nice %system %iowait %steal %idle 22:33:01 all 3.37 0.00 1.67 0.73 5.34 88.89 22:33:01 0 4.00 0.00 2.33 0.30 5.89 87.49 22:33:01 1 3.07 0.00 1.64 1.94 5.59 87.76 22:33:01 2 2.86 0.00 1.25 0.51 5.22 90.16 22:33:01 3 3.52 0.00 1.49 0.15 4.65 90.19 22:34:01 all 0.15 0.00 0.05 0.00 0.20 99.59 22:34:01 0 0.05 0.00 0.05 0.00 0.25 99.65 22:34:01 1 0.05 0.00 0.05 0.00 0.15 99.75 22:34:01 2 0.10 0.00 0.07 0.00 0.35 99.48 22:34:01 3 0.45 0.00 0.05 0.00 0.07 99.43 22:35:01 all 0.10 0.00 0.10 0.00 0.63 99.17 22:35:01 0 0.12 0.00 0.05 0.00 0.58 99.25 22:35:01 1 0.03 0.00 0.12 0.00 0.81 99.04 22:35:01 2 0.05 0.00 0.08 0.00 0.70 99.17 22:35:01 3 0.20 0.00 0.12 0.00 0.45 99.24 22:36:01 all 0.09 0.00 0.03 0.00 0.44 99.45 22:36:01 0 0.23 0.00 0.02 0.00 0.57 99.19 22:36:01 1 0.05 0.00 0.03 0.00 0.17 99.75 22:36:01 2 0.05 0.00 0.03 0.00 0.70 99.22 22:36:01 3 0.02 0.00 0.03 0.00 0.32 99.63 22:37:01 all 0.13 0.00 0.05 0.00 0.20 99.62 22:37:01 0 0.37 0.00 0.02 0.00 0.15 99.47 22:37:01 1 0.03 0.00 0.10 0.00 0.08 99.78 22:37:01 2 0.07 0.00 0.05 0.00 0.30 99.58 22:37:01 3 0.05 0.00 0.05 0.00 0.25 99.65 22:38:01 all 0.10 0.00 0.03 0.00 0.23 99.63 22:38:01 0 0.18 0.00 0.03 0.00 0.23 99.55 22:38:01 1 0.05 0.00 0.05 0.00 0.27 99.63 22:38:01 2 0.18 0.00 0.03 0.00 0.33 99.45 22:38:01 3 0.02 0.00 0.02 0.00 0.08 99.88 Average: all 0.66 0.00 0.32 0.12 1.17 97.73 Average: 0 0.82 0.00 0.41 0.05 1.27 97.44 Average: 1 0.55 0.00 0.33 0.32 1.18 97.61 Average: 2 0.55 0.00 0.25 0.09 1.27 97.84 Average: 3 0.71 0.00 0.29 0.02 0.96 98.01