---> uname -a: Linux 5d8754f5dfaa 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/edgexfoundry_device-sdk-c_PR-243 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/edgexfoundry_device-sdk-c_PR-243@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 618 72 0 1147 1114 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 03/17/20 _x86_64_ (4 CPU) 11:33:46 LINUX RESTART 11:35:03 tps rtps wtps bread/s bwrtn/s 11:36:01 24.36 2.70 21.66 675.81 2339.01 11:37:01 2.16 0.00 2.16 0.00 71.77 11:38:01 0.28 0.00 0.28 0.00 3.75 11:39:01 0.23 0.00 0.23 0.00 2.83 11:40:01 0.33 0.00 0.33 0.00 5.04 11:41:01 128.79 78.95 49.84 4798.00 17337.61 Average: 26.04 13.67 12.37 913.80 3299.27 11:35:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:36:01 112420 1769884 94.03 2620 1215736 959732 32.75 442604 1169384 16 11:37:01 121744 1760560 93.53 2620 1215740 904316 30.85 439516 1164508 16 11:38:01 120324 1761980 93.61 2620 1215748 904600 30.86 441012 1164508 16 11:39:01 121772 1760532 93.53 2620 1215748 904348 30.86 441656 1162312 12 11:40:01 121452 1760852 93.55 2620 1215752 904500 30.86 442216 1162312 8 11:41:01 134064 1748240 92.88 2620 1153484 997992 34.05 409004 1147788 81036 Average: 121963 1760341 93.52 2620 1205368 929248 31.71 436001 1161802 13517 11:35:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:36:01 eth0 48.48 44.01 358.73 44.03 0.00 0.00 0.00 11:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:36:01 docker0 5.81 4.07 0.76 16.77 0.00 0.00 0.00 11:37:01 eth0 0.73 0.08 0.06 0.01 0.00 0.00 0.00 11:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 eth0 1.18 0.72 0.58 0.35 0.00 0.00 0.00 11:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 eth0 0.10 0.10 0.01 0.07 0.00 0.00 0.00 11:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 eth0 0.32 0.23 0.14 0.07 0.00 0.00 0.00 11:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:41:01 eth0 96.17 75.35 2330.49 11.72 0.00 0.00 0.00 11:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:41:01 veth7d65d16 0.00 0.03 0.00 0.00 0.00 0.00 0.00 11:41:01 docker0 5.62 3.94 0.73 16.24 0.00 0.00 0.00 Average: eth0 24.37 19.96 448.93 9.19 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth7d65d16 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.94 0.66 0.12 2.72 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 03/17/20 _x86_64_ (4 CPU) 11:33:46 LINUX RESTART 11:35:03 CPU %user %nice %system %iowait %steal %idle 11:36:01 all 2.13 0.00 2.15 0.12 9.33 86.27 11:36:01 0 2.69 0.00 2.11 0.15 9.14 85.91 11:36:01 1 1.80 0.00 2.50 0.08 9.62 85.99 11:36:01 2 2.69 0.00 2.59 0.15 8.50 86.07 11:36:01 3 1.39 0.00 1.44 0.08 10.05 87.04 11:37:01 all 0.10 0.00 0.05 0.00 0.77 99.08 11:37:01 0 0.03 0.00 0.03 0.00 0.45 99.49 11:37:01 1 0.26 0.00 0.07 0.00 1.37 98.30 11:37:01 2 0.05 0.00 0.03 0.00 0.97 98.94 11:37:01 3 0.05 0.00 0.05 0.00 0.28 99.62 11:38:01 all 0.14 0.00 0.03 0.00 0.12 99.70 11:38:01 0 0.07 0.00 0.02 0.00 0.12 99.80 11:38:01 1 0.37 0.00 0.03 0.00 0.13 99.47 11:38:01 2 0.03 0.00 0.03 0.00 0.05 99.88 11:38:01 3 0.10 0.00 0.05 0.00 0.17 99.68 11:39:01 all 0.11 0.00 0.06 0.00 0.59 99.23 11:39:01 0 0.02 0.00 0.03 0.00 0.65 99.30 11:39:01 1 0.22 0.00 0.13 0.00 0.58 99.07 11:39:01 2 0.08 0.00 0.03 0.00 0.68 99.20 11:39:01 3 0.13 0.00 0.03 0.00 0.48 99.35 11:40:01 all 0.10 0.00 0.04 0.00 0.50 99.36 11:40:01 0 0.05 0.00 0.03 0.00 0.38 99.54 11:40:01 1 0.07 0.00 0.05 0.00 0.98 98.91 11:40:01 2 0.23 0.00 0.03 0.00 0.40 99.33 11:40:01 3 0.05 0.00 0.03 0.00 0.23 99.68 11:41:01 all 3.52 0.00 2.14 2.50 7.40 84.44 11:41:01 0 3.28 0.00 2.65 1.28 7.94 84.86 11:41:01 1 3.44 0.00 1.78 5.82 7.68 81.28 11:41:01 2 4.52 0.00 2.20 2.70 7.17 83.42 11:41:01 3 2.85 0.00 1.94 0.18 6.82 88.21 Average: all 1.02 0.00 0.75 0.44 3.13 94.67 Average: 0 1.02 0.00 0.81 0.24 3.11 94.82 Average: 1 1.03 0.00 0.77 0.98 3.41 93.81 Average: 2 1.26 0.00 0.82 0.47 2.96 94.49 Average: 3 0.77 0.00 0.60 0.04 3.04 95.55