---> uname -a: Linux 2c244305a913 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: 2933.436 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 8.3G 41.7G 17% / 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 8.3G 41.7G 17% /etc/resolv.conf /dev/vda1 50.0G 8.3G 41.7G 17% /etc/hostname /dev/vda1 50.0G 8.3G 41.7G 17% /etc/hosts /dev/vda1 50.0G 8.3G 41.7G 17% /var/log/sa /dev/vda1 50.0G 8.3G 41.7G 17% /w/workspace/edgex-go/2 /dev/vda1 50.0G 8.3G 41.7G 17% /w/workspace/edgex-go/2@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 730 108 0 998 1015 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 8: eth0@if9: 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) 08/24/20 _x86_64_ (4 CPU) 17:59:23 LINUX RESTART 18:00:01 tps rtps wtps bread/s bwrtn/s 18:01:01 99.95 39.74 60.21 7969.26 20505.09 18:02:01 330.90 211.10 119.80 6441.66 49584.28 18:03:01 0.90 0.05 0.85 1.33 12.34 18:04:01 0.57 0.40 0.17 3.33 1.78 18:05:01 2.35 2.10 0.25 173.22 3.48 18:06:01 5.78 4.35 1.43 785.34 26.52 18:07:01 2.10 0.15 1.95 75.55 47.04 18:08:01 0.30 0.00 0.30 0.00 3.81 18:09:01 0.27 0.00 0.27 0.00 2.45 18:10:02 2.88 2.63 0.25 53.16 2.91 Average: 44.63 26.07 18.56 1551.52 7024.79 18:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:01:01 331764 1549792 82.37 2620 940320 1137992 38.84 572340 820408 120 18:02:01 153920 1727636 91.82 1492 1038240 1410820 48.15 575652 950556 40 18:03:01 156472 1725084 91.68 1492 1038316 1388320 47.38 577528 946856 20 18:04:01 156144 1725412 91.70 1492 1038420 1387404 47.35 577948 946768 24 18:05:01 150608 1730948 92.00 1492 1043592 1387608 47.36 579220 951360 16 18:06:01 214700 1666856 88.59 1492 1028140 1074600 36.67 502396 966564 16 18:07:01 213736 1667820 88.64 1492 1030376 1072560 36.60 518352 952588 8 18:08:01 215036 1666520 88.57 1492 1030384 1064336 36.32 511580 958584 8 18:09:01 214804 1666752 88.58 1492 1030388 1064336 36.32 511588 958580 8 18:10:02 209960 1671596 88.84 1492 1031312 1067892 36.45 510180 962740 16 Average: 201714 1679842 89.28 1605 1024949 1205587 41.14 543678 941500 28 18:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:01:01 eth0 1975.63 1583.20 5993.22 1496.91 0.00 0.00 0.00 18:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:01:01 docker0 805.32 741.77 66.01 2654.79 0.00 0.00 0.00 18:02:01 eth0 647.32 355.01 5517.17 1411.01 0.00 0.00 0.00 18:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 veth44769ef 0.15 0.20 0.01 0.02 0.00 0.00 0.00 18:02:01 docker0 805.61 741.96 66.02 2655.25 0.00 0.00 0.00 18:03:01 eth0 1.75 1.03 1.37 0.72 0.00 0.00 0.00 18:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 veth44769ef 0.07 0.03 0.00 0.00 0.00 0.00 0.00 18:03:01 docker0 0.07 0.03 0.00 0.00 0.00 0.00 0.00 18:04:01 eth0 4.80 2.13 3.06 1.57 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 veth44769ef 0.15 0.07 0.01 0.01 0.00 0.00 0.00 18:04:01 docker0 0.15 0.07 0.01 0.01 0.00 0.00 0.00 18:05:01 eth0 18.07 16.14 4.05 31.03 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 veth44769ef 0.07 0.03 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.07 0.03 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 1.25 0.68 0.92 0.45 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 eth0 0.70 0.45 0.49 0.26 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:02 eth0 0.20 0.18 0.08 0.04 0.00 0.00 0.00 18:10:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 265.23 196.08 1153.04 294.45 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 80.65 74.27 6.61 265.73 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) 08/24/20 _x86_64_ (4 CPU) 17:59:23 LINUX RESTART 18:00:01 CPU %user %nice %system %iowait %steal %idle 18:01:01 all 18.70 0.00 6.61 2.51 0.14 72.05 18:01:01 0 14.65 0.00 8.47 2.48 0.19 74.21 18:01:01 1 19.72 0.00 5.74 2.01 0.10 72.42 18:01:01 2 21.87 0.00 6.33 4.51 0.09 67.21 18:01:01 3 18.48 0.00 5.92 1.03 0.17 74.40 18:02:01 all 11.55 0.00 5.96 1.96 0.11 80.42 18:02:01 0 12.91 0.00 5.55 1.28 0.12 80.14 18:02:01 1 8.38 0.00 5.90 2.02 0.10 83.60 18:02:01 2 16.02 0.00 5.49 2.72 0.10 75.68 18:02:01 3 8.91 0.00 6.91 1.82 0.09 82.27 18:03:01 all 0.17 0.00 0.06 0.00 0.01 99.76 18:03:01 0 0.05 0.00 0.02 0.00 0.00 99.93 18:03:01 1 0.53 0.00 0.08 0.00 0.02 99.37 18:03:01 2 0.05 0.00 0.05 0.00 0.02 99.88 18:03:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:04:01 all 0.23 0.00 0.06 0.00 0.00 99.71 18:04:01 0 0.07 0.00 0.07 0.00 0.00 99.87 18:04:01 1 0.70 0.00 0.08 0.00 0.02 99.20 18:04:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:04:01 3 0.07 0.00 0.07 0.00 0.00 99.87 18:05:01 all 0.27 0.00 0.12 0.00 0.01 99.60 18:05:01 0 0.17 0.00 0.15 0.00 0.02 99.67 18:05:01 1 0.48 0.00 0.10 0.00 0.03 99.38 18:05:01 2 0.23 0.00 0.13 0.02 0.02 99.60 18:05:01 3 0.20 0.00 0.08 0.00 0.00 99.72 18:06:01 all 0.22 0.00 0.14 0.03 0.00 99.62 18:06:01 0 0.08 0.00 0.13 0.05 0.00 99.73 18:06:01 1 0.55 0.00 0.05 0.00 0.00 99.40 18:06:01 2 0.12 0.00 0.20 0.00 0.00 99.68 18:06:01 3 0.12 0.00 0.17 0.03 0.02 99.67 18:07:01 all 0.16 0.00 0.04 0.00 0.00 99.80 18:07:01 0 0.07 0.00 0.05 0.00 0.02 99.87 18:07:01 1 0.53 0.00 0.05 0.00 0.00 99.42 18:07:01 2 0.00 0.00 0.02 0.00 0.00 99.98 18:07:01 3 0.02 0.00 0.05 0.02 0.00 99.92 18:08:01 all 0.16 0.00 0.02 0.00 0.00 99.81 18:08:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:08:01 1 0.55 0.00 0.00 0.00 0.02 99.43 18:08:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:08:01 3 0.03 0.00 0.03 0.00 0.00 99.93 18:09:01 all 0.15 0.00 0.03 0.00 0.00 99.82 18:09:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:09:01 1 0.53 0.00 0.03 0.00 0.00 99.43 18:09:01 2 0.03 0.00 0.05 0.00 0.02 99.90 18:09:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:10:02 all 0.16 0.02 0.13 0.05 0.00 99.64 18:10:02 0 0.03 0.03 0.18 0.07 0.00 99.68 18:10:02 1 0.53 0.02 0.13 0.12 0.00 99.20 18:10:02 2 0.03 0.00 0.13 0.02 0.00 99.82 18:10:02 3 0.05 0.00 0.08 0.00 0.00 99.87 Average: all 3.12 0.00 1.29 0.45 0.03 95.11 Average: 0 2.74 0.00 1.43 0.38 0.03 95.42 Average: 1 3.21 0.00 1.20 0.41 0.03 95.16 Average: 2 3.79 0.00 1.23 0.71 0.02 94.25 Average: 3 2.74 0.00 1.31 0.28 0.03 95.63