---> uname -a: Linux 1dcb8fe75c6d 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 8.2G 41.8G 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/1 /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/edgex-go/1@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 697 149 0 990 1046 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 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) 09/21/20 _x86_64_ (4 CPU) 16:55:00 LINUX RESTART (4 CPU) 16:56:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:57:01 135.05 67.87 67.18 0.00 9371.00 36057.74 0.00 16:58:01 329.60 143.77 185.83 0.00 7513.32 41723.43 0.00 16:59:01 108.49 41.94 66.54 0.00 2215.71 6756.08 0.00 17:00:01 4.93 0.03 4.90 0.00 0.53 170.29 0.00 17:01:01 0.85 0.27 0.58 0.00 90.32 5.81 0.00 17:02:01 1.78 1.12 0.67 0.00 111.05 9.30 0.00 17:03:01 30.82 30.47 0.35 0.00 2541.88 4.90 0.00 Average: 87.30 40.74 46.56 0.00 3107.17 12054.95 0.00 16:56:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:57:01 71916 0 671372 35.68 2596 1135672 1508088 51.47 719724 910400 72492 16:58:01 162784 0 749880 39.85 1492 967400 1402280 47.86 683144 802692 28280 16:59:01 498096 0 648200 34.45 1492 733768 1083376 36.97 557668 591772 20 17:00:01 514284 0 632024 33.59 1492 733756 1060592 36.20 557588 588728 8 17:01:01 508992 0 634624 33.73 1492 736448 1062952 36.28 562532 588724 8 17:02:01 505380 0 634912 33.74 1492 739772 1061148 36.22 567696 587100 12 17:03:01 415656 0 648980 34.49 1492 815428 1088124 37.14 602292 641096 84 Average: 382444 0 659999 35.08 1650 837463 1180937 40.30 607235 672930 14415 16:56:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:57:01 eth0 1980.22 1679.34 6078.38 2901.32 0.00 0.00 0.00 0.00 16:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 docker0 861.82 732.18 69.46 2699.93 0.00 0.00 0.00 0.00 16:58:01 veth587e9cc 0.00 0.12 0.00 0.01 0.00 0.00 0.00 0.00 16:58:01 eth0 332.30 247.45 1931.21 61.92 0.00 0.00 0.00 0.00 16:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 docker0 127.76 175.54 9.22 835.91 0.00 0.00 0.00 0.00 16:59:01 eth0 20.49 10.42 17.26 7.92 0.00 0.00 0.00 0.00 16:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 0.00 17:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 0.00 17:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 eth0 0.07 0.03 0.06 0.00 0.00 0.00 0.00 0.00 17:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 eth0 4.51 2.66 4.27 1.59 0.00 0.00 0.00 0.00 17:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 330.26 273.99 1136.29 419.03 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 139.73 128.32 11.11 500.21 0.00 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) 09/21/20 _x86_64_ (4 CPU) 16:55:00 LINUX RESTART (4 CPU) 16:56:02 CPU %user %nice %system %iowait %steal %idle 16:57:01 all 19.88 0.00 8.13 1.29 0.02 70.69 16:57:01 0 34.01 0.00 10.80 2.20 0.02 52.97 16:57:01 1 14.88 0.00 7.27 1.30 0.02 76.53 16:57:01 2 16.10 0.00 7.43 1.31 0.02 75.15 16:57:01 3 14.60 0.00 7.01 0.35 0.02 78.03 16:58:01 all 14.60 0.00 8.73 6.55 0.03 70.08 16:58:01 0 15.04 0.00 10.06 6.16 0.03 68.70 16:58:01 1 14.22 0.00 8.69 8.72 0.02 68.35 16:58:01 2 14.38 0.00 8.26 6.59 0.03 70.73 16:58:01 3 14.77 0.00 7.93 4.74 0.03 72.53 16:59:01 all 32.82 0.00 8.36 3.14 0.02 55.66 16:59:01 0 32.05 0.00 8.92 5.24 0.00 53.79 16:59:01 1 33.00 0.00 8.22 4.42 0.03 54.33 16:59:01 2 32.97 0.00 8.47 1.20 0.02 57.35 16:59:01 3 33.26 0.00 7.85 1.69 0.03 57.17 17:00:01 all 0.16 0.00 0.05 0.01 0.00 99.79 17:00:01 0 0.02 0.00 0.03 0.02 0.00 99.93 17:00:01 1 0.05 0.00 0.08 0.00 0.00 99.87 17:00:01 2 0.55 0.00 0.03 0.00 0.00 99.42 17:00:01 3 0.02 0.00 0.03 0.02 0.00 99.93 17:01:01 all 0.17 0.00 0.04 0.00 0.00 99.78 17:01:01 0 0.07 0.00 0.05 0.00 0.00 99.88 17:01:01 1 0.03 0.00 0.05 0.00 0.02 99.90 17:01:01 2 0.55 0.00 0.03 0.00 0.00 99.42 17:01:01 3 0.05 0.00 0.03 0.02 0.00 99.90 17:02:01 all 0.15 0.00 0.05 0.01 0.00 99.79 17:02:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:02:01 1 0.05 0.00 0.07 0.00 0.00 99.88 17:02:01 2 0.52 0.00 0.05 0.02 0.00 99.42 17:02:01 3 0.03 0.00 0.03 0.02 0.00 99.92 17:03:01 all 0.43 0.00 0.18 0.73 0.00 98.66 17:03:01 0 0.35 0.00 0.33 1.58 0.00 97.73 17:03:01 1 0.18 0.00 0.10 0.55 0.00 99.17 17:03:01 2 0.95 0.00 0.15 0.75 0.00 98.15 17:03:01 3 0.25 0.00 0.13 0.03 0.00 99.58 Average: all 9.63 0.00 3.60 1.66 0.01 85.09 Average: 0 11.48 0.00 4.26 2.16 0.01 82.10 Average: 1 8.84 0.00 3.46 2.13 0.01 85.56 Average: 2 9.34 0.00 3.45 1.40 0.01 85.80 Average: 3 8.88 0.00 3.24 0.97 0.01 86.90