---> uname -a: Linux 1d02846d23d7 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 8.1G 41.9G 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 8.1G 41.9G 16% /etc/resolv.conf /dev/vda1 50.0G 8.1G 41.9G 16% /etc/hostname /dev/vda1 50.0G 8.1G 41.9G 16% /etc/hosts /dev/vda1 50.0G 8.1G 41.9G 16% /var/log/sa /dev/vda1 50.0G 8.1G 41.9G 16% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 8.1G 41.9G 16% /w/workspace/gexfoundry_device-mqtt-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 774 118 0 944 992 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 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 08/19/20 _x86_64_ (4 CPU) 20:40:57 LINUX RESTART 20:42:02 tps rtps wtps bread/s bwrtn/s 20:43:01 29.68 11.58 18.11 4812.86 2079.68 20:44:01 0.75 0.00 0.75 0.00 15.48 20:45:01 0.23 0.00 0.23 0.00 3.46 20:46:01 0.23 0.00 0.23 0.00 2.70 20:47:01 0.30 0.00 0.30 0.00 5.08 20:48:01 0.28 0.00 0.28 0.00 3.13 20:49:01 0.22 0.02 0.20 0.13 1.88 20:50:01 0.30 0.00 0.30 0.00 3.11 20:51:01 0.23 0.00 0.23 0.00 2.85 20:52:01 0.27 0.00 0.27 0.00 3.75 20:53:01 26.26 2.48 23.79 303.53 16499.62 20:54:02 233.48 153.22 80.25 6496.28 16083.59 20:55:01 210.91 75.10 135.81 4108.25 31029.79 Average: 38.53 18.60 19.93 1201.80 5030.55 20:42:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:43:01 153444 1728112 91.84 2608 1149924 1143660 39.03 442492 1126828 16 20:44:01 156988 1724568 91.66 2608 1149928 1116336 38.10 441184 1125060 8 20:45:01 157308 1724248 91.64 2608 1149936 1116336 38.10 441140 1125060 8 20:46:01 158360 1723196 91.58 2608 1149936 1094828 37.36 444648 1120632 16 20:47:01 157900 1723656 91.61 2608 1149944 1095000 37.37 446316 1119568 12 20:48:01 157712 1723844 91.62 2608 1149948 1094964 37.37 446748 1119564 12 20:49:01 160384 1721172 91.48 2608 1149952 1072252 36.59 436900 1126708 8 20:50:01 160936 1720620 91.45 2608 1149960 1072252 36.59 436912 1126708 16 20:51:01 159476 1722080 91.52 2608 1149964 1072468 36.60 438184 1126708 20 20:52:01 159464 1722092 91.52 2608 1149972 1072404 36.60 433692 1130692 16 20:53:01 78020 1803536 95.85 2608 1137908 1514328 51.68 601976 1023264 62828 20:54:02 162084 1719472 91.39 2608 1057484 1363676 46.54 569888 951360 48 20:55:01 116700 1764856 93.80 1724 1002696 1503016 51.30 694308 782340 65780 Average: 149137 1732419 92.07 2540 1130581 1179348 40.25 482645 1077269 9907 20:42:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:43:01 eth0 63.82 54.81 449.95 36.50 0.00 0.00 0.00 20:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 docker0 1.35 1.22 0.28 3.43 0.00 0.00 0.00 20:44:01 eth0 2.93 0.71 0.97 0.58 0.00 0.00 0.00 20:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 eth0 2.78 0.58 0.70 0.46 0.00 0.00 0.00 20:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 eth0 2.18 0.63 0.65 0.40 0.00 0.00 0.00 20:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 eth0 1.33 0.67 0.70 0.47 0.00 0.00 0.00 20:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 eth0 0.43 0.35 0.27 0.20 0.00 0.00 0.00 20:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 eth0 0.08 0.03 0.01 0.00 0.00 0.00 0.00 20:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 eth0 0.22 0.08 0.01 0.01 0.00 0.00 0.00 20:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 eth0 0.95 0.38 0.39 0.21 0.00 0.00 0.00 20:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 eth0 0.27 0.25 0.14 0.08 0.00 0.00 0.00 20:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:53:01 eth0 102.31 55.01 3753.83 6.68 0.00 0.00 0.00 20:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:02 eth0 89.73 83.98 295.97 68.79 0.00 0.00 0.00 20:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:02 docker0 26.56 24.85 3.06 81.61 0.00 0.00 0.00 20:55:01 eth0 178.38 113.73 3462.25 52.81 0.00 0.00 0.00 20:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 veth66fb339 25.00 34.18 1.74 189.35 0.00 0.00 0.00 20:55:01 docker0 53.40 60.57 4.79 275.81 0.00 0.00 0.00 Average: eth0 34.06 23.80 609.65 12.79 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth66fb339 1.90 2.59 0.13 14.37 0.00 0.00 0.00 Average: docker0 4.05 4.60 0.36 20.93 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) 08/19/20 _x86_64_ (4 CPU) 20:40:57 LINUX RESTART 20:42:02 CPU %user %nice %system %iowait %steal %idle 20:43:01 all 2.86 0.00 1.91 0.78 5.97 88.48 20:43:01 0 2.47 0.00 2.04 2.17 6.82 86.50 20:43:01 1 2.45 0.00 1.85 0.40 5.71 89.58 20:43:01 2 3.56 0.00 1.66 0.32 5.74 88.72 20:43:01 3 2.98 0.00 2.07 0.25 5.61 89.09 20:44:01 all 0.13 0.00 0.07 0.00 0.57 99.22 20:44:01 0 0.28 0.00 0.07 0.00 0.75 98.91 20:44:01 1 0.08 0.00 0.05 0.00 0.52 99.35 20:44:01 2 0.13 0.00 0.08 0.00 0.60 99.19 20:44:01 3 0.03 0.00 0.10 0.00 0.45 99.42 20:45:01 all 0.12 0.00 0.04 0.00 0.54 99.31 20:45:01 0 0.03 0.00 0.07 0.00 1.12 98.78 20:45:01 1 0.02 0.00 0.02 0.00 0.18 99.78 20:45:01 2 0.37 0.00 0.05 0.00 0.18 99.40 20:45:01 3 0.05 0.00 0.03 0.00 0.63 99.29 20:46:01 all 0.08 0.00 0.04 0.00 0.60 99.28 20:46:01 0 0.03 0.00 0.05 0.00 0.53 99.39 20:46:01 1 0.05 0.00 0.02 0.00 0.63 99.30 20:46:01 2 0.22 0.00 0.05 0.00 0.50 99.23 20:46:01 3 0.02 0.00 0.02 0.00 0.73 99.24 20:47:01 all 0.11 0.00 0.03 0.00 0.42 99.44 20:47:01 0 0.03 0.00 0.02 0.00 0.33 99.62 20:47:01 1 0.07 0.00 0.07 0.00 0.48 99.39 20:47:01 2 0.32 0.00 0.03 0.00 0.45 99.20 20:47:01 3 0.03 0.00 0.02 0.00 0.42 99.53 20:48:01 all 0.14 0.00 0.04 0.00 0.12 99.70 20:48:01 0 0.03 0.00 0.03 0.00 0.20 99.73 20:48:01 1 0.35 0.00 0.02 0.00 0.05 99.58 20:48:01 2 0.15 0.00 0.07 0.00 0.05 99.73 20:48:01 3 0.02 0.00 0.02 0.00 0.20 99.77 20:49:01 all 0.12 0.00 0.05 0.00 0.17 99.67 20:49:01 0 0.03 0.00 0.02 0.00 0.17 99.78 20:49:01 1 0.30 0.00 0.10 0.00 0.12 99.48 20:49:01 2 0.05 0.00 0.05 0.00 0.27 99.63 20:49:01 3 0.07 0.00 0.03 0.00 0.10 99.80 20:50:01 all 0.09 0.00 0.04 0.00 0.27 99.61 20:50:01 0 0.02 0.00 0.02 0.00 0.28 99.68 20:50:01 1 0.02 0.00 0.02 0.00 0.13 99.83 20:50:01 2 0.03 0.00 0.05 0.00 0.30 99.62 20:50:01 3 0.27 0.00 0.07 0.00 0.37 99.30 20:51:01 all 0.14 0.00 0.03 0.00 0.13 99.70 20:51:01 0 0.02 0.00 0.02 0.00 0.23 99.73 20:51:01 1 0.08 0.00 0.05 0.00 0.15 99.72 20:51:01 2 0.03 0.00 0.03 0.00 0.03 99.90 20:51:01 3 0.42 0.00 0.03 0.00 0.10 99.45 20:52:01 all 0.09 0.00 0.04 0.00 0.33 99.54 20:52:01 0 0.02 0.00 0.03 0.00 0.53 99.42 20:52:01 1 0.03 0.00 0.05 0.00 0.43 99.48 20:52:01 2 0.02 0.00 0.02 0.00 0.12 99.85 20:52:01 3 0.32 0.00 0.02 0.00 0.27 99.40 20:53:01 all 2.52 0.00 1.46 0.07 6.85 89.10 20:53:01 0 2.93 0.00 1.43 0.00 6.85 88.79 20:53:01 1 2.04 0.00 1.50 0.21 6.97 89.28 20:53:01 2 2.47 0.00 1.37 0.02 7.14 89.01 20:53:01 3 2.66 0.00 1.60 0.02 6.42 89.30 20:54:02 all 5.24 0.00 4.50 2.42 12.87 74.97 20:54:02 0 4.92 0.00 4.47 2.36 14.46 73.79 20:54:02 1 6.27 0.00 4.35 2.87 12.15 74.35 20:54:02 2 4.96 0.00 4.35 3.10 12.52 75.08 20:54:02 3 4.82 0.00 4.82 1.36 12.35 76.65 20:55:01 all 8.34 0.00 6.26 2.21 15.90 67.30 20:55:01 0 7.51 0.00 6.80 1.70 16.48 67.51 20:55:01 1 6.02 0.00 5.02 2.05 16.23 70.68 20:55:01 2 10.20 0.00 6.88 2.38 15.83 64.72 20:55:01 3 9.70 0.00 6.36 2.73 15.04 66.17 Average: all 1.55 0.00 1.13 0.43 3.47 93.43 Average: 0 1.42 0.00 1.17 0.48 3.79 93.14 Average: 1 1.39 0.00 1.02 0.43 3.41 93.74 Average: 2 1.74 0.00 1.14 0.45 3.39 93.29 Average: 3 1.65 0.00 1.17 0.34 3.29 93.55