---> uname -a: Linux fe3cb2b624f2 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 8.6G 41.4G 17% / 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 8.6G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.6G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.6G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.6G 41.4G 17% /var/log/sa /dev/vda1 50.0G 8.6G 41.4G 17% /w/workspace/edgex-go/30 /dev/vda1 50.0G 8.6G 41.4G 17% /w/workspace/edgex-go/30@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 707 114 0 1015 1033 Swap: 1023 2 1021 ---> 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 10: eth0@if11: 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) 08/06/20 _x86_64_ (4 CPU) 10:33:43 LINUX RESTART 10:35:01 tps rtps wtps bread/s bwrtn/s 10:36:01 380.31 241.99 138.32 9968.40 63030.92 10:37:02 54.82 17.08 37.74 1237.09 13070.55 10:38:01 0.25 0.00 0.25 0.00 3.39 10:39:01 0.25 0.00 0.25 0.00 2.85 Average: 109.45 65.10 44.36 2815.46 19121.43 10:35:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:36:01 160528 1721028 91.47 1496 1033424 1350356 46.09 570356 948440 25492 10:37:02 212204 1669352 88.72 1496 1027528 1101052 37.58 574488 895260 20 10:38:01 214584 1666972 88.60 1496 1027524 1076560 36.74 574940 893628 16 10:39:01 213196 1668360 88.67 1496 1027528 1076380 36.73 580144 889464 12 Average: 200128 1681428 89.36 1496 1029001 1151087 39.28 574982 906698 6385 10:35:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:36:01 eth0 1284.37 793.60 6376.24 2761.92 0.00 0.00 0.00 10:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:36:01 docker0 27.34 50.51 1.57 358.82 0.00 0.00 0.00 10:37:02 eth0 85.30 68.40 704.83 8.11 0.00 0.00 0.00 10:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:37:02 docker0 16.76 18.33 1.40 12.92 0.00 0.00 0.00 10:38:01 eth0 0.46 0.36 0.27 0.21 0.00 0.00 0.00 10:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:39:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 10:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 344.29 216.70 1779.26 696.12 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.08 17.29 0.75 93.41 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) 08/06/20 _x86_64_ (4 CPU) 10:33:43 LINUX RESTART 10:35:01 CPU %user %nice %system %iowait %steal %idle 10:36:01 all 20.63 0.00 7.06 2.89 0.24 69.18 10:36:01 0 17.46 0.00 7.54 2.27 0.27 72.46 10:36:01 1 19.85 0.00 6.62 1.88 0.17 71.47 10:36:01 2 15.44 0.00 6.48 5.63 0.32 72.13 10:36:01 3 29.76 0.00 7.61 1.77 0.17 60.70 10:37:02 all 2.34 0.00 1.35 0.96 0.04 95.31 10:37:02 0 2.34 0.00 1.59 1.89 0.02 94.16 10:37:02 1 2.20 0.00 1.42 0.75 0.03 95.59 10:37:02 2 2.88 0.00 1.34 0.77 0.05 94.96 10:37:02 3 1.94 0.00 1.04 0.42 0.05 96.55 10:38:01 all 0.17 0.00 0.03 0.00 0.00 99.80 10:38:01 0 0.02 0.00 0.03 0.00 0.00 99.95 10:38:01 1 0.05 0.00 0.05 0.00 0.02 99.88 10:38:01 2 0.03 0.00 0.03 0.00 0.00 99.93 10:38:01 3 0.56 0.00 0.03 0.00 0.00 99.41 10:39:01 all 0.15 0.00 0.03 0.00 0.00 99.82 10:39:01 0 0.02 0.00 0.02 0.00 0.00 99.97 10:39:01 1 0.03 0.00 0.05 0.00 0.00 99.92 10:39:01 2 0.02 0.00 0.03 0.00 0.00 99.95 10:39:01 3 0.52 0.00 0.02 0.00 0.02 99.45 Average: all 5.77 0.00 2.10 0.96 0.07 91.10 Average: 0 4.89 0.00 2.26 1.03 0.07 91.74 Average: 1 5.49 0.00 2.02 0.66 0.05 91.77 Average: 2 4.56 0.00 1.96 1.59 0.09 91.79 Average: 3 8.13 0.00 2.16 0.54 0.06 89.11