---> uname -a: Linux 4dd29e7fb713 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dgexfoundry_device-rest-go_PR-27 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/dgexfoundry_device-rest-go_PR-27@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 660 98 0 1078 1071 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) 20:38:51 LINUX RESTART 20:40:01 tps rtps wtps bread/s bwrtn/s 20:41:01 34.54 10.49 24.05 4390.95 3083.92 20:42:01 1.66 0.00 1.66 0.00 29.63 20:43:01 0.25 0.00 0.25 0.00 2.75 20:44:01 0.27 0.00 0.27 0.00 3.36 20:45:01 0.25 0.00 0.25 0.00 4.46 Average: 7.39 2.10 5.30 878.34 624.93 20:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:41:01 137968 1743588 92.67 2620 1181664 1186772 40.50 457064 1125236 20 20:42:01 152744 1728812 91.88 2620 1181668 1081016 36.89 449200 1120512 8 20:43:01 151884 1729672 91.93 2620 1181676 1081244 36.90 450584 1120512 8 20:44:01 150692 1730864 91.99 2620 1181676 1081196 36.90 455584 1116460 16 20:45:01 149816 1731740 92.04 2620 1181684 1081332 36.90 455908 1116456 20 Average: 148621 1732935 92.10 2620 1181674 1102312 37.62 453668 1119835 14 20:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:41:01 eth0 139.75 128.06 597.85 180.33 0.00 0.00 0.00 20:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 docker0 55.24 47.50 4.70 149.71 0.00 0.00 0.00 20:42:01 eth0 1.20 0.08 0.11 0.01 0.00 0.00 0.00 20:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 eth0 1.75 0.45 0.38 0.21 0.00 0.00 0.00 20:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 eth0 0.83 0.40 0.34 0.20 0.00 0.00 0.00 20:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 eth0 1.50 0.67 0.71 0.43 0.00 0.00 0.00 20:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 29.01 25.94 119.90 36.24 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.05 9.50 0.94 29.95 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) 06/23/20 _x86_64_ (4 CPU) 20:38:51 LINUX RESTART 20:40:01 CPU %user %nice %system %iowait %steal %idle 20:41:01 all 4.36 0.00 1.96 1.03 10.38 82.28 20:41:01 0 3.37 0.00 1.65 0.37 12.57 82.04 20:41:01 1 5.32 0.00 1.57 0.20 10.08 82.85 20:41:01 2 4.73 0.00 2.22 2.04 9.51 81.49 20:41:01 3 4.01 0.00 2.41 1.54 9.29 82.75 20:42:01 all 0.11 0.00 0.17 0.00 1.04 98.69 20:42:01 0 0.21 0.00 0.18 0.00 1.32 98.29 20:42:01 1 0.07 0.00 0.25 0.00 0.61 99.07 20:42:01 2 0.13 0.00 0.13 0.00 1.34 98.40 20:42:01 3 0.02 0.00 0.08 0.00 0.89 99.01 20:43:01 all 0.07 0.00 0.02 0.00 0.51 99.39 20:43:01 0 0.20 0.00 0.02 0.00 0.65 99.14 20:43:01 1 0.03 0.00 0.03 0.00 0.17 99.77 20:43:01 2 0.05 0.00 0.02 0.00 0.43 99.50 20:43:01 3 0.03 0.00 0.02 0.00 0.81 99.14 20:44:01 all 0.11 0.00 0.04 0.00 0.26 99.59 20:44:01 0 0.33 0.00 0.02 0.00 0.35 99.30 20:44:01 1 0.02 0.00 0.03 0.00 0.03 99.92 20:44:01 2 0.03 0.00 0.03 0.00 0.42 99.52 20:44:01 3 0.05 0.00 0.05 0.00 0.25 99.65 20:45:01 all 0.12 0.00 0.03 0.00 0.31 99.53 20:45:01 0 0.38 0.00 0.02 0.00 0.22 99.38 20:45:01 1 0.03 0.00 0.07 0.00 0.70 99.20 20:45:01 2 0.03 0.00 0.03 0.00 0.18 99.75 20:45:01 3 0.02 0.00 0.03 0.00 0.15 99.80 Average: all 0.97 0.00 0.45 0.21 2.54 95.83 Average: 0 0.92 0.00 0.39 0.08 3.10 95.51 Average: 1 1.11 0.00 0.39 0.04 2.35 96.11 Average: 2 1.01 0.00 0.49 0.41 2.40 95.68 Average: 3 0.83 0.00 0.52 0.31 2.30 96.03