---> uname -a: Linux b51e89210ef5 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_edgex-docs_PR-203 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/edgexfoundry_edgex-docs_PR-203@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 641 101 0 1094 1092 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 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/28/20 _x86_64_ (4 CPU) 01:50:48 LINUX RESTART 01:52:01 tps rtps wtps bread/s bwrtn/s 01:53:01 2.35 0.02 2.33 0.53 58.00 01:54:01 0.27 0.02 0.25 2.93 3.09 01:55:01 0.32 0.00 0.32 0.00 3.93 01:56:01 0.27 0.00 0.27 0.00 3.36 01:57:01 0.32 0.00 0.32 0.00 3.66 01:58:02 106.42 34.91 71.51 7066.69 24689.16 01:59:01 87.12 19.57 67.55 3449.87 10743.69 02:00:01 227.99 147.10 80.89 9475.07 22663.55 Average: 53.09 25.22 27.87 2498.91 7268.33 01:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 118664 1762892 93.69 2620 1315216 997188 34.03 296916 1313180 12 01:54:01 116988 1764568 93.78 2620 1315316 1005384 34.31 299048 1312976 8 01:55:01 116832 1764724 93.79 2620 1315320 1005384 34.31 299116 1312976 8 01:56:01 115156 1766400 93.88 2620 1315324 1005384 34.31 302700 1311196 8 01:57:01 114768 1766788 93.90 2620 1315328 1005492 34.32 303072 1311388 8 01:58:02 94364 1787192 94.98 2620 1158696 1265400 43.19 609860 999648 27408 01:59:01 111400 1770156 94.08 2596 1127656 1273944 43.48 640632 917972 66072 02:00:01 111788 1769768 94.06 1492 1119248 1280784 43.71 684488 882772 220 Average: 112495 1769061 94.02 2476 1247763 1104870 37.71 429479 1170264 11718 01:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:53:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 01:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 01:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 01:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 01:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 01:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:02 eth0 679.00 487.09 3781.75 69.37 0.00 0.00 0.00 01:58:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:58:02 vethbcbc194 5.90 14.90 0.50 117.91 0.00 0.00 0.00 01:58:02 docker0 5.90 14.78 0.42 117.90 0.00 0.00 0.00 01:59:01 eth0 142.65 90.92 229.65 375.64 0.00 0.00 0.00 01:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:59:01 vethbcbc194 12.05 28.09 1.10 178.25 0.00 0.00 0.00 01:59:01 docker0 12.05 28.08 0.94 178.25 0.00 0.00 0.00 02:00:01 veth2c745bc 0.00 0.10 0.00 0.01 0.00 0.00 0.00 02:00:01 eth0 1570.80 1052.35 6884.23 2954.41 0.00 0.00 0.00 02:00:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 02:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth2c745bc 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 196.82 131.86 862.59 370.19 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.23 5.32 0.17 36.77 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) 07/28/20 _x86_64_ (4 CPU) 01:50:48 LINUX RESTART 01:52:01 CPU %user %nice %system %iowait %steal %idle 01:53:01 all 0.10 0.00 0.05 0.00 0.60 99.25 01:53:01 0 0.02 0.00 0.05 0.00 0.81 99.12 01:53:01 1 0.03 0.00 0.05 0.00 0.71 99.21 01:53:01 2 0.32 0.00 0.07 0.00 0.63 98.99 01:53:01 3 0.02 0.00 0.03 0.00 0.23 99.72 01:54:01 all 0.09 0.00 0.02 0.00 0.45 99.44 01:54:01 0 0.03 0.00 0.05 0.00 0.60 99.32 01:54:01 1 0.03 0.00 0.02 0.00 0.55 99.40 01:54:01 2 0.27 0.00 0.03 0.00 0.58 99.12 01:54:01 3 0.02 0.00 0.02 0.00 0.08 99.88 01:55:01 all 0.11 0.00 0.02 0.00 0.11 99.75 01:55:01 0 0.02 0.00 0.02 0.00 0.03 99.93 01:55:01 1 0.07 0.00 0.03 0.00 0.20 99.70 01:55:01 2 0.35 0.00 0.02 0.00 0.20 99.43 01:55:01 3 0.02 0.00 0.02 0.02 0.02 99.93 01:56:01 all 0.12 0.00 0.03 0.00 0.10 99.75 01:56:01 0 0.05 0.00 0.03 0.00 0.08 99.83 01:56:01 1 0.02 0.00 0.03 0.00 0.10 99.85 01:56:01 2 0.42 0.00 0.03 0.00 0.08 99.47 01:56:01 3 0.02 0.00 0.02 0.00 0.12 99.85 01:57:01 all 0.11 0.00 0.03 0.00 0.19 99.67 01:57:01 0 0.00 0.00 0.03 0.00 0.10 99.87 01:57:01 1 0.07 0.00 0.05 0.00 0.47 99.42 01:57:01 2 0.37 0.00 0.03 0.00 0.15 99.45 01:57:01 3 0.00 0.00 0.02 0.00 0.03 99.95 01:58:02 all 7.26 0.00 2.69 1.93 19.20 68.91 01:58:02 0 6.04 0.00 2.70 0.75 21.86 68.66 01:58:02 1 7.78 0.00 2.78 3.20 20.38 65.86 01:58:02 2 6.87 0.00 2.59 2.12 18.21 70.20 01:58:02 3 8.41 0.00 2.73 1.65 16.16 71.05 01:59:01 all 12.33 0.00 3.61 1.31 11.18 71.56 01:59:01 0 7.20 0.00 1.75 0.68 13.31 77.05 01:59:01 1 7.84 0.00 2.92 1.98 11.30 75.96 01:59:01 2 8.70 0.00 3.50 0.96 9.70 77.14 01:59:01 3 26.71 0.00 6.48 1.64 10.33 54.84 02:00:01 all 9.86 0.00 3.56 2.49 18.88 65.20 02:00:01 0 9.14 0.00 2.92 0.98 22.65 64.31 02:00:01 1 7.49 0.00 3.48 2.51 18.14 68.38 02:00:01 2 10.78 0.00 3.78 2.68 15.97 66.80 02:00:01 3 12.22 0.00 4.09 3.88 18.62 61.20 Average: all 3.81 0.00 1.28 0.74 6.49 87.69 Average: 0 2.91 0.00 0.98 0.31 7.70 88.10 Average: 1 3.01 0.00 1.21 1.00 6.72 88.06 Average: 2 3.56 0.00 1.28 0.74 5.82 88.60 Average: 3 5.80 0.00 1.65 0.90 5.71 85.95