---> uname -a: Linux b8df0afd2dc9 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 8.7G 41.2G 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 8.7G 41.2G 17% /etc/resolv.conf /dev/vda1 50.0G 8.7G 41.2G 17% /etc/hostname /dev/vda1 50.0G 8.7G 41.2G 17% /etc/hosts /dev/vda1 50.0G 8.7G 41.2G 17% /var/log/sa /dev/vda1 50.0G 8.7G 41.2G 17% /w/workspace/edgex-go/1 /dev/vda1 50.0G 8.7G 41.2G 17% /w/workspace/edgex-go/1@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 702 120 0 1014 1041 Swap: 1023 3 1020 ---> 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 12: eth0@if13: 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) 18:08:23 LINUX RESTART 18:09:01 tps rtps wtps bread/s bwrtn/s 18:10:01 102.38 37.65 64.73 7642.20 20661.66 18:11:02 360.00 208.59 151.41 7221.43 60150.55 18:12:01 352.86 168.00 184.86 7755.86 36208.31 18:13:01 26.54 7.31 19.23 1427.14 4760.83 18:14:01 0.37 0.03 0.33 1.07 5.18 18:15:01 0.25 0.00 0.25 0.00 3.33 18:16:01 0.37 0.12 0.25 74.88 2.60 18:17:01 0.20 0.00 0.20 0.00 1.80 18:18:01 0.30 0.00 0.30 0.00 2.88 Average: 93.30 46.67 46.63 2673.04 13501.62 18:09:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:10:01 289572 1591984 84.61 2620 999168 1109088 37.85 583588 850324 120 18:11:02 159284 1722272 91.53 1492 1052040 1332772 45.49 534684 984248 91332 18:12:01 410216 1471340 78.20 492 720308 1719172 58.67 628500 612288 53396 18:13:01 596280 1285276 68.31 492 641900 1092544 37.29 503000 562608 8 18:14:01 600352 1281204 68.09 492 641908 1061872 36.24 508728 554656 12 18:15:01 600672 1280884 68.08 492 641912 1061908 36.24 508868 554656 8 18:16:01 599656 1281900 68.13 492 644220 1061692 36.23 507876 556916 20 18:17:01 599532 1282024 68.14 492 644172 1061692 36.23 503604 561212 8 18:18:01 600108 1281448 68.11 492 644176 1061688 36.23 503624 561212 12 Average: 495075 1386481 73.69 840 736645 1173603 40.05 531386 644236 16102 18:09:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:10:01 eth0 1897.35 1553.00 6114.65 1704.28 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 814.31 673.26 65.88 2649.47 0.00 0.00 0.00 18:11:02 eth0 833.34 550.18 6950.04 1236.10 0.00 0.00 0.00 18:11:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:02 docker0 59.57 73.26 3.12 360.47 0.00 0.00 0.00 18:12:01 eth0 120.36 87.26 406.33 21.61 0.00 0.00 0.00 18:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 vethee25f22 0.00 0.14 0.00 0.01 0.00 0.00 0.00 18:12:01 docker0 954.71 841.25 75.50 3430.30 0.00 0.00 0.00 18:13:01 eth0 2.90 1.78 2.37 1.09 0.00 0.00 0.00 18:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 eth0 1.57 0.40 0.44 0.24 0.00 0.00 0.00 18:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:01 eth0 0.98 0.67 0.62 0.43 0.00 0.00 0.00 18:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 317.93 244.13 1499.85 330.02 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 104.69 92.25 8.28 376.16 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) 18:08:23 LINUX RESTART 18:09:01 CPU %user %nice %system %iowait %steal %idle 18:10:01 all 20.58 0.00 7.09 2.46 0.02 69.85 18:10:01 0 15.67 0.00 9.43 2.00 0.02 72.88 18:10:01 1 22.37 0.00 6.19 1.62 0.02 69.81 18:10:01 2 19.82 0.00 6.31 1.86 0.02 71.99 18:10:01 3 24.40 0.00 6.50 4.36 0.03 64.71 18:11:02 all 13.50 0.00 7.50 2.46 0.03 76.51 18:11:02 0 11.44 0.00 6.74 1.93 0.05 79.84 18:11:02 1 21.16 0.00 8.03 2.01 0.02 68.79 18:11:02 2 10.64 0.00 8.15 1.93 0.03 79.24 18:11:02 3 10.71 0.00 7.07 3.93 0.02 78.27 18:12:01 all 42.61 0.00 12.79 8.66 0.03 35.92 18:12:01 0 39.99 0.00 13.32 9.51 0.02 37.17 18:12:01 1 42.57 0.00 12.47 9.29 0.05 35.62 18:12:01 2 45.64 0.00 12.44 7.80 0.02 34.10 18:12:01 3 42.24 0.00 12.94 8.03 0.02 36.76 18:13:01 all 4.68 0.00 1.15 0.46 0.00 93.71 18:13:01 0 5.25 0.00 0.90 0.07 0.00 93.78 18:13:01 1 4.83 0.00 1.00 0.05 0.00 94.12 18:13:01 2 4.09 0.00 1.44 1.64 0.00 92.83 18:13:01 3 4.56 0.00 1.25 0.10 0.00 94.09 18:14:01 all 0.15 0.00 0.04 0.00 0.00 99.80 18:14:01 0 0.05 0.00 0.05 0.00 0.00 99.90 18:14:01 1 0.02 0.00 0.03 0.00 0.00 99.95 18:14:01 2 0.02 0.00 0.03 0.00 0.00 99.95 18:14:01 3 0.52 0.00 0.03 0.00 0.00 99.45 18:15:01 all 0.15 0.00 0.03 0.00 0.00 99.82 18:15:01 0 0.03 0.00 0.07 0.00 0.00 99.90 18:15:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:15:01 2 0.03 0.00 0.00 0.00 0.00 99.97 18:15:01 3 0.52 0.00 0.02 0.00 0.00 99.47 18:16:01 all 0.15 0.00 0.03 0.00 0.00 99.81 18:16:01 0 0.03 0.00 0.05 0.00 0.00 99.92 18:16:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:16:01 2 0.03 0.00 0.03 0.02 0.00 99.92 18:16:01 3 0.52 0.00 0.02 0.00 0.00 99.47 18:17:01 all 0.14 0.00 0.03 0.00 0.00 99.83 18:17:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:17:01 1 0.02 0.00 0.03 0.00 0.00 99.95 18:17:01 2 0.03 0.00 0.05 0.00 0.00 99.92 18:17:01 3 0.45 0.00 0.02 0.00 0.00 99.53 18:18:01 all 0.15 0.00 0.03 0.00 0.00 99.81 18:18:01 0 0.07 0.00 0.07 0.00 0.00 99.87 18:18:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:18:01 2 0.03 0.00 0.00 0.00 0.00 99.97 18:18:01 3 0.52 0.00 0.03 0.00 0.00 99.45 Average: all 8.99 0.00 3.14 1.53 0.01 86.33 Average: 0 7.93 0.00 3.35 1.47 0.01 87.24 Average: 1 9.98 0.00 3.05 1.41 0.01 85.54 Average: 2 8.80 0.00 3.12 1.45 0.01 86.62 Average: 3 9.23 0.00 3.05 1.79 0.01 85.92