---> uname -a: Linux 2b3f6ae71164 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 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 7.2G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.2G 42.7G 15% /w/workspace/edgexfoundry_edgex-ui-go_PR-246 /dev/vda1 50.0G 7.2G 42.7G 15% /w/workspace/edgexfoundry_edgex-ui-go_PR-246@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 628 124 0 1084 1104 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) 06/22/20 _x86_64_ (4 CPU) 10:07:44 LINUX RESTART 10:08:01 tps rtps wtps bread/s bwrtn/s 10:09:01 157.45 66.84 90.61 8635.96 40930.05 10:10:01 1.50 0.00 1.50 0.00 25.13 10:11:01 0.13 0.00 0.13 0.00 2.28 10:12:01 0.28 0.00 0.28 0.00 3.50 10:13:01 0.28 0.00 0.28 0.00 4.35 10:14:01 116.87 79.35 37.51 5625.44 17840.48 Average: 46.10 24.37 21.73 2377.73 9804.55 10:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:09:01 179052 1702504 90.48 2620 1155332 1126172 38.43 404180 1137268 136 10:10:01 184576 1696980 90.19 2620 1155364 1080552 36.88 403920 1132968 20 10:11:01 184696 1696860 90.18 2620 1155372 1080576 36.88 405024 1132048 16 10:12:01 184576 1696980 90.19 2620 1155372 1080600 36.88 405152 1132048 8 10:13:01 183860 1697696 90.23 2620 1155376 1080372 36.87 410672 1127372 8 10:14:01 100456 1781100 94.66 2620 1117820 1513880 51.67 505084 1073660 50144 Average: 169536 1712020 90.99 2620 1149106 1160359 39.60 422339 1122561 8389 10:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:09:01 eth0 529.97 324.72 1203.10 153.19 0.00 0.00 0.00 10:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:09:01 docker0 31.15 24.85 2.94 59.61 0.00 0.00 0.00 10:10:01 eth0 1.15 0.33 0.33 0.17 0.00 0.00 0.00 10:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 eth0 1.03 0.32 0.32 0.23 0.00 0.00 0.00 10:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 eth0 0.58 0.43 0.31 0.21 0.00 0.00 0.00 10:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 10:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:01 eth0 105.96 68.02 2332.44 11.36 0.00 0.00 0.00 10:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 106.51 65.68 589.60 27.54 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.19 4.14 0.49 9.94 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) 06/22/20 _x86_64_ (4 CPU) 10:07:44 LINUX RESTART 10:08:01 CPU %user %nice %system %iowait %steal %idle 10:09:01 all 16.61 0.00 6.68 11.33 0.11 65.27 10:09:01 0 17.49 0.00 6.47 8.79 0.12 67.13 10:09:01 1 16.52 0.00 6.93 13.27 0.10 63.18 10:09:01 2 16.03 0.00 7.14 11.22 0.08 65.52 10:09:01 3 16.37 0.00 6.23 12.03 0.12 65.25 10:10:01 all 0.15 0.00 0.04 0.00 0.00 99.81 10:10:01 0 0.00 0.00 0.03 0.00 0.00 99.97 10:10:01 1 0.47 0.00 0.07 0.00 0.00 99.47 10:10:01 2 0.08 0.00 0.02 0.00 0.02 99.88 10:10:01 3 0.07 0.00 0.02 0.00 0.00 99.92 10:11:01 all 0.17 0.00 0.04 0.00 0.00 99.79 10:11:01 0 0.03 0.00 0.05 0.00 0.00 99.92 10:11:01 1 0.55 0.00 0.02 0.00 0.02 99.42 10:11:01 2 0.03 0.00 0.05 0.00 0.00 99.92 10:11:01 3 0.05 0.00 0.03 0.00 0.00 99.92 10:12:01 all 0.15 0.00 0.03 0.00 0.00 99.82 10:12:01 0 0.05 0.00 0.03 0.00 0.02 99.90 10:12:01 1 0.53 0.00 0.02 0.00 0.00 99.45 10:12:01 2 0.03 0.00 0.03 0.00 0.00 99.93 10:12:01 3 0.03 0.00 0.02 0.00 0.00 99.95 10:13:01 all 0.14 0.00 0.04 0.00 0.01 99.81 10:13:01 0 0.07 0.00 0.03 0.00 0.00 99.90 10:13:01 1 0.43 0.00 0.05 0.00 0.00 99.52 10:13:01 2 0.02 0.00 0.05 0.00 0.02 99.92 10:13:01 3 0.02 0.00 0.02 0.00 0.02 99.95 10:14:01 all 5.18 0.00 2.48 1.31 0.05 90.97 10:14:01 0 4.94 0.00 2.60 1.76 0.02 90.69 10:14:01 1 5.62 0.00 2.67 1.64 0.10 89.97 10:14:01 2 4.91 0.00 2.23 1.31 0.05 91.50 10:14:01 3 5.27 0.00 2.45 0.54 0.03 91.72 Average: all 3.71 0.00 1.54 2.09 0.03 92.63 Average: 0 3.74 0.00 1.53 1.75 0.03 92.96 Average: 1 4.00 0.00 1.61 2.46 0.04 91.89 Average: 2 3.49 0.00 1.57 2.07 0.03 92.84 Average: 3 3.61 0.00 1.45 2.08 0.03 92.84