---> uname -a: Linux c4495fc98a35 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 7.6G 42.4G 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 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-198@tmp /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/edgexfoundry_edgex-docs_PR-198 ---> free -m: total used free shared buff/cache available Mem: 1837 680 112 0 1043 1052 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) 08/25/20 _x86_64_ (4 CPU) 21:57:17 LINUX RESTART 21:58:01 tps rtps wtps bread/s bwrtn/s 21:59:01 78.58 18.59 59.99 5070.57 18806.20 22:00:02 88.13 19.68 68.45 2100.32 7983.49 Average: 83.36 19.14 64.22 3584.09 13389.90 21:58:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:59:01 115568 1765988 93.86 2620 1182424 1309712 44.70 526844 1066780 53440 22:00:02 76536 1805020 95.93 2620 1114744 1438684 49.10 684116 907448 58556 Average: 96052 1785504 94.90 2620 1148584 1374198 46.90 605480 987114 55998 21:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:59:01 eth0 614.72 378.48 3615.37 66.31 0.00 0.00 0.00 21:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:00:02 veth3d76c3e 16.56 38.77 1.52 292.85 0.00 0.00 0.00 22:00:02 eth0 1053.93 660.51 4307.79 1380.41 0.00 0.00 0.00 22:00:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 22:00:02 docker0 16.56 38.64 1.29 292.84 0.00 0.00 0.00 Average: veth3d76c3e 8.29 19.40 0.76 146.56 0.00 0.00 0.00 Average: eth0 527.44 330.56 2155.87 690.84 0.00 0.00 0.00 Average: lo 0.06 0.06 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.29 19.34 0.65 146.55 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) 08/25/20 _x86_64_ (4 CPU) 21:57:17 LINUX RESTART 21:58:01 CPU %user %nice %system %iowait %steal %idle 21:59:01 all 11.27 0.00 4.00 1.64 12.80 70.29 21:59:01 0 8.02 0.00 3.72 1.37 15.17 71.72 21:59:01 1 12.03 0.00 4.11 0.84 12.81 70.21 21:59:01 2 12.67 0.00 4.55 1.13 13.68 67.97 21:59:01 3 12.43 0.00 3.62 3.24 9.49 71.22 22:00:02 all 15.58 0.00 3.25 0.60 10.76 69.82 22:00:02 0 15.79 0.00 3.61 0.55 13.07 66.97 22:00:02 1 22.36 0.00 3.54 0.91 10.49 62.71 22:00:02 2 16.28 0.00 3.65 0.71 9.77 69.59 22:00:02 3 8.00 0.00 2.20 0.24 9.75 79.80 Average: all 13.45 0.00 3.62 1.12 11.77 70.05 Average: 0 11.87 0.00 3.67 0.96 14.13 69.37 Average: 1 17.24 0.00 3.82 0.87 11.64 66.43 Average: 2 14.50 0.00 4.09 0.92 11.70 68.79 Average: 3 10.18 0.00 2.90 1.71 9.62 75.59