---> uname -a: Linux 324d61bdac47 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 7.8G 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 767 122 0 947 989 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) 06/15/20 _x86_64_ (4 CPU) 14:51:06 LINUX RESTART 14:52:05 tps rtps wtps bread/s bwrtn/s 14:53:01 63.96 31.66 32.30 7669.27 3456.79 14:54:01 3.41 0.00 3.41 0.00 110.41 14:55:01 0.35 0.00 0.35 0.00 4.63 14:56:01 0.27 0.00 0.27 0.00 2.83 14:57:01 0.15 0.00 0.15 0.00 1.82 14:58:01 0.35 0.00 0.35 0.00 4.96 14:59:01 0.27 0.02 0.25 0.13 2.83 15:00:02 0.25 0.00 0.25 0.00 2.93 15:01:01 2.57 0.05 2.52 11.11 65.47 15:02:01 275.97 159.05 116.91 6967.38 31643.53 15:03:01 119.01 55.52 63.49 5428.87 20195.44 Average: 42.36 22.38 19.98 1792.93 5063.99 14:52:05 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:53:01 185208 1696348 90.16 2620 1135228 1118796 38.18 426204 1109844 116 14:54:01 190472 1691084 89.88 2620 1135364 1082492 36.94 424876 1107300 12 14:55:01 191088 1690468 89.84 2620 1135368 1074268 36.66 426460 1104884 8 14:56:01 189776 1691780 89.91 2620 1135368 1074268 36.66 431292 1101588 8 14:57:01 188956 1692600 89.96 2620 1135376 1074424 36.67 440984 1092640 16 14:58:01 188996 1692560 89.96 2620 1135384 1074500 36.67 441216 1092640 16 14:59:01 190252 1691304 89.89 2620 1135392 1074460 36.67 438488 1094552 12 15:00:02 189980 1691576 89.90 2620 1135396 1074460 36.67 433712 1099224 8 15:01:01 150076 1731480 92.02 2620 1135844 1404268 47.93 469092 1100044 40 15:02:01 221736 1659820 88.22 2596 940644 1207732 41.22 514108 872284 28 15:03:01 128960 1752596 93.15 2132 967760 1241500 42.37 587448 870180 224 Average: 183227 1698329 90.26 2573 1102466 1136470 38.79 457625 1058653 44 14:52:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:53:01 eth0 553.34 327.88 1150.39 118.07 0.00 0.00 0.00 14:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:53:01 docker0 7.74 6.31 0.99 20.26 0.00 0.00 0.00 14:54:01 eth0 3.26 1.85 2.89 0.14 0.00 0.00 0.00 14:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:55:01 eth0 0.05 0.07 0.00 0.01 0.00 0.00 0.00 14:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 eth0 0.93 0.02 0.07 0.00 0.00 0.00 0.00 14:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 eth0 1.02 0.52 0.38 0.21 0.00 0.00 0.00 14:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 eth0 0.60 0.37 0.40 0.23 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:00:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 vetha41a8ba 0.00 0.05 0.00 0.00 0.00 0.00 0.00 15:01:01 eth0 570.72 342.22 1167.17 118.12 0.00 0.00 0.00 15:01:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 15:01:01 docker0 7.35 5.99 0.94 19.24 0.00 0.00 0.00 15:02:01 veth6e07276 0.00 0.02 0.00 0.00 0.00 0.00 0.00 15:02:01 eth0 195.46 144.39 3381.39 71.56 0.00 0.00 0.00 15:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 docker0 24.40 30.94 1.38 157.41 0.00 0.00 0.00 15:03:01 vetha788075 0.00 0.10 0.00 0.01 0.00 0.00 0.00 15:03:01 eth0 117.31 82.60 2355.43 18.71 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 docker0 2.00 1.37 0.32 0.32 0.00 0.00 0.00 Average: vetha788075 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 80.07 51.63 630.85 18.91 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.08 3.50 0.24 16.19 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) 06/15/20 _x86_64_ (4 CPU) 14:51:06 LINUX RESTART 14:52:05 CPU %user %nice %system %iowait %steal %idle 14:53:01 all 11.76 0.00 3.35 4.40 0.01 80.47 14:53:01 0 16.09 0.00 4.03 3.29 0.00 76.59 14:53:01 1 9.42 0.00 3.26 6.78 0.00 80.54 14:53:01 2 11.27 0.00 3.07 2.06 0.02 83.58 14:53:01 3 10.26 0.00 3.02 5.46 0.02 81.24 14:54:01 all 0.18 0.00 0.05 0.00 0.00 99.77 14:54:01 0 0.03 0.00 0.05 0.00 0.00 99.92 14:54:01 1 0.08 0.00 0.03 0.00 0.00 99.88 14:54:01 2 0.55 0.00 0.03 0.00 0.00 99.42 14:54:01 3 0.08 0.00 0.07 0.00 0.00 99.85 14:55:01 all 0.14 0.00 0.03 0.00 0.00 99.83 14:55:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:55:01 1 0.28 0.00 0.03 0.00 0.00 99.68 14:55:01 2 0.23 0.00 0.05 0.00 0.00 99.72 14:55:01 3 0.03 0.00 0.05 0.00 0.00 99.92 14:56:01 all 0.14 0.00 0.03 0.00 0.00 99.83 14:56:01 0 0.02 0.00 0.00 0.00 0.00 99.98 14:56:01 1 0.45 0.00 0.03 0.00 0.00 99.52 14:56:01 2 0.02 0.00 0.03 0.00 0.00 99.95 14:56:01 3 0.07 0.00 0.05 0.00 0.00 99.88 14:57:01 all 0.15 0.00 0.05 0.00 0.00 99.80 14:57:01 0 0.00 0.00 0.03 0.00 0.00 99.97 14:57:01 1 0.53 0.00 0.05 0.00 0.00 99.42 14:57:01 2 0.02 0.00 0.03 0.00 0.00 99.95 14:57:01 3 0.03 0.00 0.12 0.00 0.00 99.85 14:58:01 all 0.15 0.00 0.02 0.00 0.00 99.83 14:58:01 0 0.03 0.00 0.02 0.00 0.00 99.95 14:58:01 1 0.55 0.00 0.03 0.00 0.00 99.42 14:58:01 2 0.02 0.00 0.02 0.00 0.00 99.97 14:58:01 3 0.02 0.00 0.02 0.00 0.00 99.97 14:59:01 all 0.14 0.00 0.02 0.01 0.00 99.83 14:59:01 0 0.02 0.00 0.03 0.00 0.00 99.95 14:59:01 1 0.50 0.00 0.05 0.03 0.00 99.42 14:59:01 2 0.03 0.00 0.02 0.00 0.00 99.95 14:59:01 3 0.02 0.00 0.00 0.00 0.00 99.98 15:00:02 all 0.05 0.00 0.03 0.00 0.00 99.92 15:00:02 0 0.02 0.00 0.02 0.00 0.00 99.97 15:00:02 1 0.08 0.00 0.05 0.00 0.00 99.87 15:00:02 2 0.05 0.00 0.03 0.00 0.00 99.92 15:00:02 3 0.03 0.00 0.02 0.00 0.00 99.95 15:01:01 all 0.67 0.00 0.43 0.03 0.00 98.87 15:01:01 0 0.71 0.00 0.37 0.02 0.00 98.90 15:01:01 1 0.82 0.00 0.24 0.02 0.02 98.91 15:01:01 2 0.58 0.00 0.64 0.05 0.00 98.73 15:01:01 3 0.54 0.00 0.48 0.02 0.00 98.96 15:02:01 all 10.09 0.00 6.79 3.21 0.03 79.87 15:02:01 0 9.25 0.00 7.70 2.95 0.02 80.08 15:02:01 1 11.92 0.00 7.17 1.91 0.02 78.99 15:02:01 2 9.62 0.00 5.96 3.95 0.07 80.41 15:02:01 3 9.56 0.00 6.38 4.03 0.02 80.02 15:03:01 all 5.87 0.00 3.65 3.65 0.01 86.82 15:03:01 0 5.26 0.00 3.77 7.06 0.02 83.90 15:03:01 1 6.15 0.00 3.65 3.03 0.02 87.15 15:03:01 2 6.45 0.00 3.97 3.58 0.00 86.00 15:03:01 3 5.60 0.00 3.23 0.98 0.03 90.16 Average: all 2.60 0.00 1.30 1.00 0.01 95.10 Average: 0 2.76 0.00 1.43 1.19 0.00 94.61 Average: 1 2.75 0.00 1.31 1.03 0.00 94.90 Average: 2 2.56 0.00 1.24 0.86 0.01 95.33 Average: 3 2.32 0.00 1.20 0.92 0.01 95.55