---> uname -a: Linux 584cb8feb76b 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 8.6G 41.4G 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 8.6G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.6G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.6G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.6G 41.4G 17% /var/log/sa /dev/vda1 50.0G 8.6G 41.4G 17% /w/workspace/edgex-go/2 /dev/vda1 50.0G 8.6G 41.4G 17% /w/workspace/edgex-go/2@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 687 111 0 1038 1054 Swap: 1023 4 1019 ---> 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 10: eth0@if11: 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) 08/26/20 _x86_64_ (4 CPU) 18:52:08 LINUX RESTART 18:53:01 tps rtps wtps bread/s bwrtn/s 18:54:02 134.60 64.89 69.71 8818.69 30318.59 18:55:01 354.40 213.30 141.10 7358.78 50441.47 18:56:01 3.25 0.02 3.23 0.53 103.33 18:57:01 0.28 0.00 0.28 0.00 3.63 18:58:01 63.38 48.36 15.02 5212.96 5266.37 Average: 110.45 64.84 45.61 4279.92 17147.82 18:53:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:54:02 125356 1756200 93.34 2596 1130304 1308868 44.67 643588 945800 85136 18:55:01 216260 1665296 88.51 1516 1040620 1098896 37.50 564032 899248 20 18:56:01 221396 1660160 88.23 1516 1040632 1069084 36.49 563788 896720 12 18:57:01 220548 1661008 88.28 1516 1040636 1069264 36.49 564644 896600 8 18:58:01 142036 1739520 92.45 1516 1082248 1265336 43.18 641160 896644 33700 Average: 185119 1696437 90.16 1732 1066888 1162290 39.67 595442 907002 23775 18:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:54:02 eth0 1741.67 1443.85 8094.49 2820.62 0.00 0.00 0.00 18:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:02 docker0 823.05 616.85 66.76 2618.66 0.00 0.00 0.00 18:55:01 eth0 291.00 209.09 2032.46 25.22 0.00 0.00 0.00 18:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:55:01 docker0 48.60 81.83 3.14 379.81 0.00 0.00 0.00 18:56:01 eth0 0.52 0.23 0.19 0.02 0.00 0.00 0.00 18:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:57:01 eth0 0.48 0.47 0.30 0.21 0.00 0.00 0.00 18:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:58:01 eth0 90.56 61.22 2318.82 7.90 0.00 0.00 0.00 18:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 428.32 345.94 2504.25 577.73 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 176.22 141.01 14.13 605.02 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) 08/26/20 _x86_64_ (4 CPU) 18:52:08 LINUX RESTART 18:53:01 CPU %user %nice %system %iowait %steal %idle 18:54:02 all 18.93 0.00 6.41 2.13 0.05 72.47 18:54:02 0 21.16 0.00 8.35 2.82 0.05 67.62 18:54:02 1 22.79 0.00 5.26 1.54 0.03 70.38 18:54:02 2 11.38 0.00 5.82 0.69 0.03 82.08 18:54:02 3 20.44 0.00 6.28 3.51 0.07 69.71 18:55:01 all 9.28 0.00 5.94 2.72 0.04 82.01 18:55:01 0 9.34 0.00 5.71 2.15 0.03 82.76 18:55:01 1 8.47 0.00 6.55 2.01 0.03 82.94 18:55:01 2 9.02 0.00 5.62 3.57 0.05 81.74 18:55:01 3 10.31 0.00 5.87 3.15 0.03 80.63 18:56:01 all 0.15 0.00 0.04 0.00 0.00 99.81 18:56:01 0 0.22 0.00 0.03 0.00 0.02 99.73 18:56:01 1 0.02 0.00 0.05 0.00 0.00 99.93 18:56:01 2 0.33 0.00 0.02 0.00 0.00 99.65 18:56:01 3 0.02 0.00 0.03 0.00 0.00 99.95 18:57:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:57:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:57:01 1 0.07 0.00 0.02 0.00 0.00 99.92 18:57:01 2 0.48 0.00 0.05 0.00 0.00 99.47 18:57:01 3 0.07 0.00 0.05 0.00 0.00 99.88 18:58:01 all 2.19 0.00 1.15 1.34 0.01 95.31 18:58:01 0 1.38 0.00 1.18 0.05 0.00 97.38 18:58:01 1 2.48 0.00 1.22 1.05 0.02 95.23 18:58:01 2 2.50 0.00 1.00 1.43 0.00 95.07 18:58:01 3 2.40 0.00 1.18 2.87 0.02 93.53 Average: all 6.10 0.00 2.69 1.23 0.02 89.97 Average: 0 6.34 0.00 3.02 0.99 0.02 89.64 Average: 1 6.74 0.00 2.59 0.91 0.02 89.73 Average: 2 4.71 0.00 2.48 1.12 0.02 91.67 Average: 3 6.60 0.00 2.66 1.90 0.02 88.82