---> uname -a: Linux 753c5747dd68 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 7.7G 42.3G 15% / 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 7.7G 42.3G 15% /etc/resolv.conf /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hostname /dev/vda1 50.0G 7.7G 42.3G 15% /etc/hosts /dev/vda1 50.0G 7.7G 42.3G 15% /var/log/sa /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-207 /dev/vda1 50.0G 7.7G 42.3G 15% /w/workspace/edgexfoundry_edgex-docs_PR-207@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 605 110 0 1121 1128 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) 08/10/20 _x86_64_ (4 CPU) 01:49:31 LINUX RESTART 01:50:02 tps rtps wtps bread/s bwrtn/s 01:51:01 153.67 98.45 55.22 8413.55 39268.09 01:52:02 103.80 29.77 74.03 6143.51 21535.99 01:53:01 102.84 50.84 52.00 5449.79 12384.08 Average: 120.01 59.51 60.50 6666.04 24381.10 01:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:01 76068 1805488 95.96 2620 1297844 1059940 36.17 470764 1178588 104564 01:52:02 101940 1779616 94.58 2620 1177172 1213956 41.43 579960 1007804 65396 01:53:01 78888 1802668 95.81 2596 1186768 1497364 51.10 709308 905124 64864 Average: 85632 1795924 95.45 2612 1220595 1257087 42.90 586677 1030505 78275 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:01 eth0 555.02 329.31 2759.38 60.62 0.00 0.00 0.00 01:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:02 eth0 236.57 125.66 1436.80 56.88 0.00 0.00 0.00 01:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:02 vethba1c45e 25.92 44.56 2.12 292.97 0.00 0.00 0.00 01:52:02 docker0 25.92 44.42 1.77 292.96 0.00 0.00 0.00 01:53:01 eth0 509.43 352.46 2486.37 2198.51 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 0.12 0.08 0.00 0.01 0.00 0.00 0.00 Average: eth0 432.49 268.28 2222.78 767.52 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.78 15.01 0.60 98.83 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) 08/10/20 _x86_64_ (4 CPU) 01:49:31 LINUX RESTART 01:50:02 CPU %user %nice %system %iowait %steal %idle 01:51:01 all 14.52 0.00 7.97 5.17 19.64 52.70 01:51:01 0 11.63 0.00 6.71 5.87 22.67 53.13 01:51:01 1 18.21 0.00 10.24 3.55 18.55 49.45 01:51:01 2 14.27 0.00 7.44 6.25 18.44 53.60 01:51:01 3 14.14 0.00 7.63 4.98 18.80 54.45 01:52:02 all 9.73 0.00 3.34 1.65 15.14 70.13 01:52:02 0 8.67 0.00 2.85 1.40 16.16 70.93 01:52:02 1 6.50 0.00 3.06 0.49 14.61 75.34 01:52:02 2 16.40 0.00 4.15 2.37 14.30 62.78 01:52:02 3 7.64 0.00 3.34 2.37 15.46 71.19 01:53:01 all 11.07 0.00 2.54 1.50 17.07 67.83 01:53:01 0 6.87 0.00 1.70 0.10 21.04 70.30 01:53:01 1 15.73 0.00 4.14 1.04 16.32 62.77 01:53:01 2 15.21 0.00 2.70 0.31 15.89 65.89 01:53:01 3 6.70 0.00 1.67 4.56 14.89 72.18 Average: all 11.72 0.00 4.55 2.73 17.23 63.76 Average: 0 9.01 0.00 3.70 2.39 19.91 65.00 Average: 1 13.28 0.00 5.67 1.63 16.42 62.99 Average: 2 15.31 0.00 4.73 2.94 16.18 60.84 Average: 3 9.42 0.00 4.16 3.94 16.35 66.13