---> uname -a: Linux e9f90d5d579f 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: 2933.442 BogoMIPS: 5866.88 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 7.8G 42.2G 16% / 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 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_device-sdk-c_master /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_device-sdk-c_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 778 127 0 931 977 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 14: eth0@if15: 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) 08/04/20 _x86_64_ (4 CPU) 16:39:44 LINUX RESTART 16:40:01 tps rtps wtps bread/s bwrtn/s 16:41:02 191.33 99.67 91.66 11783.29 40408.84 16:42:01 1.93 0.00 1.93 0.00 42.38 16:43:01 0.32 0.00 0.32 0.00 5.41 16:44:01 0.28 0.00 0.28 0.00 2.85 16:45:01 0.15 0.00 0.15 0.00 1.75 16:46:01 208.89 115.57 93.32 4702.63 27115.15 Average: 67.36 35.98 31.37 2756.59 11298.58 16:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:41:02 159480 1722076 91.52 2620 1122420 1115236 38.06 456148 1107208 116 16:42:01 165824 1715732 91.19 2620 1122452 1081668 36.92 452424 1104948 20 16:43:01 162900 1718656 91.34 2620 1122460 1081908 36.92 456016 1104832 8 16:44:01 162648 1718908 91.36 2620 1122460 1081920 36.92 456124 1104828 8 16:45:01 162488 1719068 91.36 2620 1122464 1081668 36.92 460816 1100088 8 16:46:01 81072 1800484 95.69 2620 1050632 1280596 43.70 448856 1084084 27616 Average: 149069 1732487 92.08 2620 1110481 1120499 38.24 455064 1100998 4629 16:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:41:02 eth0 454.75 276.05 1071.81 110.75 0.00 0.00 0.00 16:41:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:41:02 docker0 7.32 6.97 0.86 19.97 0.00 0.00 0.00 16:42:01 eth0 0.68 0.08 0.06 0.02 0.00 0.00 0.00 16:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:43:01 eth0 9.46 4.66 8.58 0.46 0.00 0.00 0.00 16:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:44:01 eth0 0.68 0.30 0.29 0.23 0.00 0.00 0.00 16:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 16:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 eth0 141.53 95.65 3213.48 16.70 0.00 0.00 0.00 16:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 101.53 63.01 717.87 21.43 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.22 1.17 0.14 3.34 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) 08/04/20 _x86_64_ (4 CPU) 16:39:44 LINUX RESTART 16:40:01 CPU %user %nice %system %iowait %steal %idle 16:41:02 all 16.10 0.00 8.24 11.26 0.03 64.37 16:41:02 0 15.05 0.00 8.68 9.68 0.02 66.57 16:41:02 1 16.39 0.00 8.45 12.20 0.02 62.95 16:41:02 2 17.86 0.00 8.08 10.74 0.02 63.30 16:41:02 3 15.11 0.00 7.75 12.41 0.03 64.69 16:42:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:42:01 0 0.47 0.00 0.05 0.00 0.00 99.47 16:42:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:42:01 2 0.07 0.00 0.02 0.00 0.00 99.92 16:42:01 3 0.05 0.00 0.07 0.00 0.00 99.88 16:43:01 all 0.22 0.00 0.05 0.00 0.00 99.72 16:43:01 0 0.57 0.00 0.03 0.00 0.00 99.40 16:43:01 1 0.08 0.00 0.02 0.00 0.00 99.90 16:43:01 2 0.13 0.00 0.07 0.00 0.00 99.80 16:43:01 3 0.08 0.00 0.05 0.00 0.00 99.87 16:44:01 all 0.14 0.00 0.05 0.00 0.00 99.82 16:44:01 0 0.22 0.00 0.03 0.00 0.00 99.75 16:44:01 1 0.03 0.00 0.05 0.00 0.00 99.92 16:44:01 2 0.03 0.00 0.03 0.00 0.00 99.93 16:44:01 3 0.28 0.00 0.08 0.00 0.00 99.63 16:45:01 all 0.05 0.00 0.04 0.00 0.00 99.91 16:45:01 0 0.02 0.00 0.03 0.00 0.00 99.95 16:45:01 1 0.05 0.00 0.07 0.00 0.00 99.88 16:45:01 2 0.05 0.00 0.03 0.00 0.02 99.90 16:45:01 3 0.07 0.00 0.03 0.00 0.00 99.90 16:46:01 all 7.41 0.00 5.09 1.46 0.01 86.03 16:46:01 0 7.06 0.00 4.75 1.70 0.02 86.48 16:46:01 1 7.77 0.00 4.92 1.43 0.02 85.86 16:46:01 2 7.53 0.00 5.82 1.25 0.00 85.40 16:46:01 3 7.28 0.00 4.87 1.47 0.02 86.37 Average: all 4.00 0.00 2.24 2.11 0.01 91.64 Average: 0 3.88 0.00 2.25 1.89 0.01 91.98 Average: 1 4.05 0.00 2.25 2.26 0.01 91.44 Average: 2 4.27 0.00 2.34 1.99 0.01 91.40 Average: 3 3.80 0.00 2.13 2.30 0.01 91.76