---> uname -a: Linux 0d50b122908e 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: 2933.436 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 8.5G 41.5G 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-mqtt-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 771 102 0 963 998 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) 06/12/20 _x86_64_ (4 CPU) 05:38:24 LINUX RESTART 05:39:02 tps rtps wtps bread/s bwrtn/s 05:40:01 50.21 12.78 37.43 4798.10 3395.46 05:41:01 0.28 0.00 0.28 0.00 4.23 05:42:01 0.30 0.00 0.30 0.00 3.76 05:43:01 0.25 0.00 0.25 0.00 2.70 05:44:01 0.17 0.00 0.17 0.00 1.97 05:45:01 0.37 0.00 0.37 0.00 5.29 05:46:01 0.30 0.02 0.28 0.13 3.76 05:47:01 0.23 0.00 0.23 0.00 3.48 05:48:01 0.23 0.00 0.23 0.00 2.85 05:49:01 0.20 0.00 0.20 0.00 2.03 05:50:01 0.28 0.00 0.28 0.00 3.08 05:51:01 247.97 151.18 96.79 6503.20 32331.24 05:52:01 216.16 81.91 134.24 4287.25 32192.65 Average: 39.77 18.93 20.84 1195.05 5232.39 05:39:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:01 173460 1708096 90.78 2620 1157224 1119356 38.20 414856 1133232 20 05:41:01 177160 1704396 90.58 2620 1157228 1092984 37.30 413992 1131000 16 05:42:01 177252 1704304 90.58 2620 1157236 1093120 37.31 414412 1131000 8 05:43:01 175852 1705704 90.65 2620 1157236 1090992 37.23 415716 1130888 8 05:44:01 175492 1706064 90.67 2620 1157240 1091116 37.24 418256 1128860 20 05:45:01 175848 1705708 90.65 2620 1157248 1090096 37.20 417980 1128788 8 05:46:01 175892 1705664 90.65 2620 1157256 1078992 36.82 418324 1128572 8 05:47:01 177220 1704336 90.58 2620 1157264 1078788 36.82 409104 1136732 8 05:48:01 177412 1704144 90.57 2620 1157268 1078788 36.82 408968 1136732 8 05:49:01 173788 1707768 90.76 2620 1157276 1078872 36.82 412192 1136756 8 05:50:01 174832 1706724 90.71 2620 1157276 1078788 36.82 411648 1136756 8 05:51:01 154200 1727356 91.80 2620 1083972 1281108 43.72 578928 949100 32 05:52:01 179568 1701988 90.46 1492 929424 1739936 59.38 636920 771564 20 Average: 174460 1707096 90.73 2533 1134088 1153303 39.36 443946 1090768 13 05:39:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:40:01 eth0 138.23 101.03 476.42 47.39 0.00 0.00 0.00 05:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 docker0 2.07 1.76 0.35 3.56 0.00 0.00 0.00 05:41:01 eth0 1.45 0.35 0.37 0.18 0.00 0.00 0.00 05:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 eth0 2.71 0.87 0.90 0.41 0.00 0.00 0.00 05:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 eth0 3.13 0.52 0.73 0.39 0.00 0.00 0.00 05:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 eth0 1.93 0.90 1.00 0.68 0.00 0.00 0.00 05:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 eth0 1.10 0.30 0.32 0.20 0.00 0.00 0.00 05:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 eth0 0.55 0.42 0.27 0.21 0.00 0.00 0.00 05:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 05:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 eth0 0.10 0.07 0.01 0.01 0.00 0.00 0.00 05:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 eth0 0.27 0.20 0.14 0.07 0.00 0.00 0.00 05:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 eth0 0.12 0.07 0.01 0.01 0.00 0.00 0.00 05:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 eth0 188.57 130.58 4029.15 24.77 0.00 0.00 0.00 05:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:51:01 docker0 21.39 21.84 2.50 78.79 0.00 0.00 0.00 05:52:01 vethc5cfe3c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 veth94cbe75 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:01 eth0 938.05 614.39 8533.80 252.17 0.00 0.00 0.00 05:52:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 Average: vethc5cfe3c 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth94cbe75 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 72.30 47.36 657.78 19.44 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 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) 06/12/20 _x86_64_ (4 CPU) 05:38:24 LINUX RESTART 05:39:02 CPU %user %nice %system %iowait %steal %idle 05:40:01 all 3.75 0.00 1.95 1.78 0.16 92.36 05:40:01 0 3.41 0.00 1.89 1.45 0.12 93.12 05:40:01 1 3.54 0.00 1.55 0.36 0.15 94.40 05:40:01 2 4.06 0.00 2.06 2.54 0.15 91.18 05:40:01 3 3.99 0.00 2.29 2.78 0.19 90.75 05:41:01 all 0.15 0.00 0.04 0.00 0.02 99.80 05:41:01 0 0.32 0.00 0.03 0.00 0.02 99.63 05:41:01 1 0.17 0.00 0.03 0.00 0.02 99.78 05:41:01 2 0.05 0.00 0.07 0.00 0.02 99.87 05:41:01 3 0.03 0.00 0.02 0.00 0.02 99.93 05:42:01 all 0.16 0.00 0.03 0.00 0.04 99.77 05:42:01 0 0.35 0.00 0.02 0.00 0.03 99.60 05:42:01 1 0.20 0.00 0.05 0.00 0.07 99.68 05:42:01 2 0.07 0.00 0.05 0.00 0.05 99.83 05:42:01 3 0.03 0.00 0.02 0.00 0.02 99.93 05:43:01 all 0.16 0.00 0.03 0.00 0.03 99.78 05:43:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:43:01 1 0.53 0.00 0.03 0.00 0.07 99.37 05:43:01 2 0.03 0.00 0.03 0.00 0.02 99.92 05:43:01 3 0.05 0.00 0.03 0.00 0.03 99.88 05:44:01 all 0.08 0.00 0.05 0.00 0.09 99.78 05:44:01 0 0.05 0.00 0.03 0.00 0.18 99.73 05:44:01 1 0.15 0.00 0.07 0.00 0.07 99.72 05:44:01 2 0.03 0.00 0.03 0.00 0.07 99.87 05:44:01 3 0.07 0.00 0.05 0.00 0.03 99.85 05:45:01 all 0.14 0.00 0.05 0.00 0.06 99.75 05:45:01 0 0.03 0.00 0.05 0.00 0.07 99.85 05:45:01 1 0.03 0.00 0.10 0.00 0.02 99.85 05:45:01 2 0.03 0.00 0.02 0.00 0.10 99.85 05:45:01 3 0.45 0.00 0.03 0.00 0.07 99.45 05:46:01 all 0.16 0.00 0.03 0.00 0.02 99.79 05:46:01 0 0.05 0.00 0.03 0.00 0.02 99.90 05:46:01 1 0.03 0.00 0.03 0.00 0.02 99.92 05:46:01 2 0.05 0.00 0.02 0.00 0.03 99.90 05:46:01 3 0.52 0.00 0.03 0.00 0.00 99.45 05:47:01 all 0.14 0.00 0.04 0.00 0.00 99.82 05:47:01 0 0.00 0.00 0.05 0.00 0.02 99.93 05:47:01 1 0.00 0.00 0.03 0.00 0.00 99.97 05:47:01 2 0.03 0.00 0.05 0.00 0.00 99.92 05:47:01 3 0.50 0.00 0.05 0.00 0.00 99.45 05:48:01 all 0.16 0.00 0.03 0.00 0.00 99.81 05:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 05:48:01 1 0.03 0.00 0.00 0.00 0.02 99.95 05:48:01 2 0.05 0.00 0.05 0.00 0.00 99.90 05:48:01 3 0.55 0.00 0.03 0.00 0.00 99.42 05:49:01 all 0.14 0.00 0.03 0.00 0.01 99.82 05:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 05:49:01 1 0.02 0.00 0.03 0.00 0.00 99.95 05:49:01 2 0.05 0.00 0.03 0.00 0.03 99.88 05:49:01 3 0.50 0.00 0.03 0.00 0.02 99.45 05:50:01 all 0.15 0.00 0.02 0.00 0.00 99.82 05:50:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:50:01 1 0.03 0.00 0.02 0.00 0.00 99.95 05:50:01 2 0.03 0.00 0.03 0.00 0.00 99.93 05:50:01 3 0.48 0.00 0.02 0.00 0.00 99.50 05:51:01 all 8.60 0.00 5.19 2.39 0.29 83.54 05:51:01 0 7.75 0.00 5.36 2.70 0.34 83.85 05:51:01 1 8.00 0.00 4.96 2.08 0.29 84.67 05:51:01 2 8.66 0.00 4.82 3.42 0.32 82.78 05:51:01 3 9.98 0.00 5.62 1.36 0.24 82.81 05:52:01 all 11.93 0.00 8.64 2.83 0.64 75.96 05:52:01 0 11.14 0.00 9.77 1.60 0.53 76.97 05:52:01 1 11.05 0.00 7.55 2.98 0.65 77.77 05:52:01 2 10.86 0.00 8.37 3.27 0.68 76.82 05:52:01 3 14.69 0.00 8.85 3.48 0.69 72.29 Average: all 1.94 0.00 1.22 0.53 0.10 96.21 Average: 0 1.75 0.00 1.31 0.43 0.10 96.41 Average: 1 1.80 0.00 1.09 0.41 0.10 96.59 Average: 2 1.82 0.00 1.18 0.70 0.11 96.19 Average: 3 2.41 0.00 1.29 0.57 0.10 95.63