---> uname -a: Linux b4dbeca4cb9c 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 774 119 0 943 982 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) 06/23/20 _x86_64_ (4 CPU) 08:36:03 LINUX RESTART 08:37:01 tps rtps wtps bread/s bwrtn/s 08:38:01 6.99 1.15 5.85 42.10 211.27 08:39:01 1.42 0.00 1.42 0.00 26.13 08:40:01 0.28 0.00 0.28 0.00 3.61 08:41:01 0.23 0.00 0.23 0.00 2.83 08:42:01 96.16 50.85 45.31 1994.72 16973.35 08:43:01 291.59 161.90 129.69 10616.38 35334.09 Average: 66.05 35.62 30.43 2110.01 8738.62 08:37:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:38:01 165524 1716032 91.20 2620 1123784 1123600 38.35 453752 1101664 20 08:39:01 171608 1709948 90.88 2620 1123788 1081276 36.90 453948 1097672 20 08:40:01 170768 1710788 90.92 2620 1123796 1081360 36.90 455400 1096656 16 08:41:01 170080 1711476 90.96 2620 1123796 1081072 36.90 459860 1092380 12 08:42:01 71340 1810216 96.21 2620 1116876 1515016 51.70 498772 1122524 53520 08:43:01 180948 1700608 90.38 1908 954760 1210316 41.31 502512 909344 28 Average: 155045 1726511 91.76 2501 1094467 1182107 40.34 470707 1070040 8936 08:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:38:01 eth0 35.80 31.02 36.97 39.53 0.00 0.00 0.00 08:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:38:01 docker0 9.28 8.19 1.09 18.41 0.00 0.00 0.00 08:39:01 eth0 3.83 2.15 3.20 0.29 0.00 0.00 0.00 08:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 eth0 0.93 0.27 0.32 0.19 0.00 0.00 0.00 08:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 eth0 0.10 0.10 0.01 0.04 0.00 0.00 0.00 08:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 eth0 138.57 91.65 3259.54 13.37 0.00 0.00 0.00 08:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 eth0 217.04 151.17 2553.71 77.71 0.00 0.00 0.00 08:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:43:01 veth2edb1d9 0.00 0.03 0.00 0.00 0.00 0.00 0.00 08:43:01 docker0 36.70 40.81 2.84 177.68 0.00 0.00 0.00 Average: eth0 65.86 45.95 969.52 21.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2edb1d9 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.14 6.82 0.47 29.71 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) 08:36:03 LINUX RESTART 08:37:01 CPU %user %nice %system %iowait %steal %idle 08:38:01 all 1.42 0.00 0.60 0.05 0.00 97.92 08:38:01 0 1.24 0.00 0.55 0.00 0.00 98.21 08:38:01 1 1.47 0.00 0.63 0.03 0.02 97.85 08:38:01 2 1.74 0.00 0.67 0.15 0.00 97.45 08:38:01 3 1.25 0.00 0.53 0.02 0.00 98.20 08:39:01 all 0.17 0.00 0.05 0.00 0.00 99.78 08:39:01 0 0.05 0.00 0.07 0.00 0.00 99.88 08:39:01 1 0.07 0.00 0.08 0.00 0.00 99.85 08:39:01 2 0.52 0.00 0.05 0.00 0.00 99.43 08:39:01 3 0.05 0.00 0.03 0.00 0.00 99.92 08:40:01 all 0.15 0.00 0.03 0.00 0.01 99.80 08:40:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:40:01 1 0.07 0.00 0.05 0.00 0.00 99.88 08:40:01 2 0.50 0.00 0.03 0.00 0.02 99.45 08:40:01 3 0.05 0.00 0.03 0.00 0.00 99.92 08:41:01 all 0.14 0.00 0.03 0.00 0.00 99.82 08:41:01 0 0.00 0.00 0.02 0.00 0.00 99.98 08:41:01 1 0.47 0.00 0.03 0.00 0.00 99.50 08:41:01 2 0.02 0.00 0.03 0.00 0.00 99.95 08:41:01 3 0.07 0.00 0.05 0.00 0.00 99.88 08:42:01 all 4.46 0.00 3.04 0.61 0.01 91.88 08:42:01 0 4.22 0.00 3.27 0.36 0.02 92.13 08:42:01 1 4.32 0.00 3.01 0.68 0.02 91.97 08:42:01 2 4.50 0.00 2.76 1.24 0.02 91.47 08:42:01 3 4.78 0.00 3.07 0.17 0.02 91.97 08:43:01 all 12.32 0.00 8.23 4.09 0.08 75.29 08:43:01 0 12.00 0.00 8.46 5.84 0.08 73.62 08:43:01 1 15.33 0.00 8.69 3.23 0.07 72.68 08:43:01 2 11.47 0.00 7.86 3.62 0.08 76.97 08:43:01 3 10.45 0.00 7.93 3.65 0.08 77.88 Average: all 3.08 0.00 1.98 0.78 0.02 94.14 Average: 0 2.90 0.00 2.05 1.03 0.02 94.02 Average: 1 3.59 0.00 2.06 0.65 0.02 93.68 Average: 2 3.10 0.00 1.88 0.83 0.02 94.17 Average: 3 2.74 0.00 1.92 0.63 0.02 94.69