---> uname -a: Linux a1dc56ca7068 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 7.5G 42.5G 15% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.5G 42.5G 15% /etc/resolv.conf /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hostname /dev/vda1 50.0G 7.5G 42.5G 15% /etc/hosts /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/gexfoundry_device-mqtt-go_master@tmp /dev/vda1 50.0G 7.5G 42.5G 15% /var/log/sa /dev/vda1 50.0G 7.5G 42.5G 15% /w/workspace/gexfoundry_device-mqtt-go_master ---> free -m: total used free shared buff/cache available Mem: 1838 725 73 0 1038 1046 Swap: 1023 1 1022 ---> 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 24: eth0@if25: 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/20/20 _x86_64_ (4 CPU) 04:39:02 LINUX RESTART 04:40:01 tps rtps wtps bread/s bwrtn/s 04:41:01 24.36 6.42 17.94 1935.44 2205.36 04:42:01 2.83 0.00 2.83 0.00 89.21 04:43:01 0.67 0.00 0.67 0.00 7.11 04:44:01 0.63 0.00 0.63 0.00 8.19 04:45:01 0.73 0.00 0.73 0.00 10.41 04:46:01 0.58 0.00 0.58 0.00 7.06 04:47:01 0.70 0.00 0.70 0.00 8.44 04:48:01 41.10 4.75 36.35 397.21 16310.63 04:49:02 184.87 110.01 74.86 3805.29 13050.89 04:50:01 171.69 35.28 136.41 1983.66 30924.41 Average: 42.66 15.63 27.03 810.96 6231.35 04:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:41:01 117136 1765168 93.78 2620 1207560 938932 32.04 428632 1173772 16 04:42:01 122536 1759768 93.49 2620 1207564 886148 30.23 427820 1170716 8 04:43:01 121720 1760584 93.53 2620 1207572 886076 30.23 428616 1170716 8 04:44:01 122732 1759572 93.48 2620 1207576 885884 30.23 428704 1169572 8 04:45:01 121728 1760576 93.53 2620 1207584 886112 30.23 430128 1169572 8 04:46:01 121092 1761212 93.57 2620 1207588 886196 30.24 430604 1169572 12 04:47:01 136704 1745600 92.74 2620 1207592 886004 30.23 415196 1169532 20 04:48:01 223220 1659084 88.14 2620 1066456 961388 32.80 417388 1055852 96004 04:49:02 167752 1714552 91.09 2620 1106644 1030156 35.15 500980 1021332 84 04:50:01 259088 1623216 86.24 2544 929464 1078256 36.79 564524 784008 1704 Average: 151371 1730933 91.96 2612 1155560 932515 31.82 447259 1105464 9787 04:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:41:01 eth0 44.93 37.44 337.12 30.75 0.00 0.00 0.00 04:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:41:01 docker0 1.41 1.15 0.27 2.98 0.00 0.00 0.00 04:42:01 eth0 3.63 1.45 3.60 0.25 0.00 0.00 0.00 04:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 eth0 0.98 0.30 0.29 0.23 0.00 0.00 0.00 04:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:44:01 eth0 1.40 0.08 0.12 0.01 0.00 0.00 0.00 04:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:01 eth0 1.86 0.72 0.73 0.46 0.00 0.00 0.00 04:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 eth0 1.03 0.47 0.55 0.35 0.00 0.00 0.00 04:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:47:01 eth0 0.82 0.33 0.30 0.20 0.00 0.00 0.00 04:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 eth0 97.19 73.59 3479.20 8.99 0.00 0.00 0.00 04:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:02 veth55f2e2b 0.02 0.07 0.00 0.00 0.00 0.00 0.00 04:49:02 eth0 463.33 337.17 4823.48 155.73 0.00 0.00 0.00 04:49:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 04:49:02 docker0 26.95 22.69 3.35 80.87 0.00 0.00 0.00 04:50:01 eth0 180.18 149.00 3512.43 54.75 0.00 0.00 0.00 04:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 veth87fa4b2 0.00 0.10 0.00 0.01 0.00 0.00 0.00 04:50:01 docker0 35.53 37.36 2.01 254.46 0.00 0.00 0.00 Average: eth0 41.88 34.80 760.14 15.70 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth87fa4b2 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.21 5.96 0.53 33.23 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 04/20/20 _x86_64_ (4 CPU) 04:39:02 LINUX RESTART 04:40:01 CPU %user %nice %system %iowait %steal %idle 04:41:01 all 2.75 0.00 1.91 0.11 4.54 90.69 04:41:01 0 2.54 0.00 2.20 0.08 4.91 90.27 04:41:01 1 2.90 0.00 1.99 0.05 4.58 90.48 04:41:01 2 2.99 0.00 1.89 0.17 4.50 90.45 04:41:01 3 2.57 0.00 1.55 0.16 4.18 91.54 04:42:01 all 0.16 0.00 0.08 0.00 0.54 99.21 04:42:01 0 0.12 0.00 0.07 0.00 0.47 99.35 04:42:01 1 0.40 0.00 0.08 0.00 0.80 98.72 04:42:01 2 0.07 0.00 0.07 0.00 0.65 99.22 04:42:01 3 0.05 0.00 0.08 0.00 0.23 99.63 04:43:01 all 0.11 0.00 0.05 0.00 0.17 99.68 04:43:01 0 0.28 0.00 0.05 0.00 0.30 99.37 04:43:01 1 0.07 0.00 0.03 0.00 0.13 99.77 04:43:01 2 0.07 0.00 0.07 0.00 0.20 99.67 04:43:01 3 0.05 0.00 0.05 0.00 0.07 99.83 04:44:01 all 0.14 0.00 0.06 0.00 0.17 99.63 04:44:01 0 0.33 0.00 0.00 0.00 0.22 99.45 04:44:01 1 0.08 0.00 0.08 0.00 0.15 99.68 04:44:01 2 0.08 0.00 0.05 0.00 0.22 99.65 04:44:01 3 0.03 0.00 0.10 0.00 0.08 99.78 04:45:01 all 0.12 0.00 0.05 0.00 0.24 99.59 04:45:01 0 0.27 0.00 0.03 0.00 0.35 99.35 04:45:01 1 0.10 0.00 0.05 0.00 0.22 99.63 04:45:01 2 0.07 0.00 0.07 0.00 0.32 99.55 04:45:01 3 0.05 0.00 0.07 0.00 0.08 99.80 04:46:01 all 0.15 0.00 0.06 0.00 0.16 99.63 04:46:01 0 0.03 0.00 0.03 0.00 0.15 99.78 04:46:01 1 0.08 0.00 0.07 0.00 0.18 99.67 04:46:01 2 0.40 0.00 0.05 0.00 0.17 99.38 04:46:01 3 0.12 0.00 0.07 0.00 0.15 99.67 04:47:01 all 0.16 0.00 0.05 0.00 0.11 99.69 04:47:01 0 0.03 0.00 0.03 0.00 0.05 99.88 04:47:01 1 0.10 0.00 0.05 0.00 0.23 99.62 04:47:01 2 0.45 0.00 0.05 0.00 0.10 99.40 04:47:01 3 0.05 0.00 0.03 0.00 0.03 99.88 04:48:01 all 2.90 0.00 2.08 0.11 8.63 86.29 04:48:01 0 2.58 0.00 1.78 0.05 8.80 86.79 04:48:01 1 3.30 0.00 2.10 0.07 8.54 85.99 04:48:01 2 2.73 0.00 1.86 0.10 9.02 86.30 04:48:01 3 2.98 0.00 2.57 0.21 8.16 86.07 04:49:02 all 4.65 0.00 3.85 1.51 15.88 74.11 04:49:02 0 3.62 0.00 3.69 1.90 16.59 74.20 04:49:02 1 6.08 0.00 4.57 1.26 15.53 72.55 04:49:02 2 4.53 0.00 3.72 2.08 16.71 72.96 04:49:02 3 4.39 0.00 3.44 0.80 14.65 76.73 04:50:01 all 8.59 0.00 6.28 1.80 19.29 64.04 04:50:01 0 6.78 0.00 5.99 0.89 19.49 66.86 04:50:01 1 6.50 0.00 6.20 2.62 19.09 65.58 04:50:01 2 13.56 0.00 6.52 2.14 20.20 57.57 04:50:01 3 7.65 0.00 6.43 1.55 18.44 65.93 Average: all 2.01 0.00 1.47 0.36 5.08 91.08 Average: 0 1.69 0.00 1.42 0.30 5.26 91.33 Average: 1 2.00 0.00 1.56 0.41 5.06 90.96 Average: 2 2.51 0.00 1.45 0.46 5.29 90.29 Average: 3 1.83 0.00 1.47 0.28 4.70 91.73