---> uname -a: Linux 4519e563e3da 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: 2933.442 BogoMIPS: 5866.88 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 773 114 0 948 997 Swap: 1023 2 1021 ---> 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) 06/15/20 _x86_64_ (4 CPU) 15:37:17 LINUX RESTART 15:38:01 tps rtps wtps bread/s bwrtn/s 15:39:01 36.09 9.11 26.98 4229.94 2495.35 15:40:01 1.57 0.00 1.57 0.00 28.35 15:41:01 0.17 0.00 0.17 0.00 2.56 15:42:01 0.27 0.00 0.27 0.00 3.35 15:43:01 0.22 0.00 0.22 0.00 2.63 15:44:02 0.33 0.00 0.33 0.00 4.31 15:45:01 0.32 0.02 0.30 0.14 4.15 15:46:01 0.15 0.00 0.15 0.00 2.02 15:47:01 0.27 0.00 0.27 0.00 3.50 15:48:01 0.25 0.00 0.25 0.00 2.71 15:49:01 0.28 0.00 0.28 0.00 3.08 15:50:01 277.55 152.69 124.86 6631.12 39782.61 15:51:01 297.00 117.18 179.82 8186.25 43873.54 Average: 47.44 21.54 25.91 1470.12 6656.86 15:38:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:39:01 174040 1707516 90.75 2620 1167620 1128040 38.50 412840 1133848 20 15:40:01 175444 1706112 90.68 2620 1167624 1107896 37.81 413796 1132020 20 15:41:01 176196 1705360 90.64 2620 1167632 1099712 37.53 415420 1129700 8 15:42:01 174728 1706828 90.71 2620 1167632 1099892 37.54 417888 1129072 8 15:43:01 173496 1708060 90.78 2620 1167636 1095696 37.39 424976 1123640 16 15:44:02 170676 1710880 90.93 2620 1167644 1091584 37.25 429060 1122264 8 15:45:01 170824 1710732 90.92 2620 1167652 1091748 37.26 431492 1119960 8 15:46:01 172016 1709540 90.86 2620 1167660 1080404 36.87 428424 1121708 12 15:47:01 172468 1709088 90.83 2620 1167664 1080404 36.87 428428 1121708 12 15:48:01 171564 1709992 90.88 2620 1167672 1080488 36.88 419196 1131376 12 15:49:01 172172 1709384 90.85 2620 1167672 1080440 36.87 418840 1131372 12 15:50:01 75096 1806460 96.01 2596 1094784 1551872 52.96 634556 974680 25980 15:51:01 114140 1767416 93.93 1492 984744 1317528 44.96 602944 854992 2768 Average: 160989 1720567 91.44 2531 1147972 1146593 39.13 452143 1094334 2222 15:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:39:01 eth0 113.91 80.65 446.63 37.64 0.00 0.00 0.00 15:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:39:01 docker0 2.23 1.75 0.36 3.69 0.00 0.00 0.00 15:40:01 eth0 3.78 1.13 1.29 0.79 0.00 0.00 0.00 15:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:41:01 eth0 4.06 0.95 1.09 0.57 0.00 0.00 0.00 15:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:42:01 eth0 3.80 0.95 1.03 0.60 0.00 0.00 0.00 15:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 eth0 3.30 1.13 1.31 0.85 0.00 0.00 0.00 15:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:02 eth0 0.75 0.30 0.30 0.20 0.00 0.00 0.00 15:44:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 eth0 0.58 0.46 0.33 0.25 0.00 0.00 0.00 15:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 15:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 15:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 15:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 eth0 0.22 0.15 0.07 0.01 0.00 0.00 0.00 15:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 eth0 347.36 260.14 7238.35 91.41 0.00 0.00 0.00 15:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 docker0 25.69 24.75 3.05 80.95 0.00 0.00 0.00 15:51:01 eth0 202.15 150.70 2543.62 78.07 0.00 0.00 0.00 15:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:51:01 docker0 26.84 27.61 1.74 156.60 0.00 0.00 0.00 Average: eth0 52.48 38.33 789.37 16.24 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 4.23 4.18 0.40 18.64 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) 06/15/20 _x86_64_ (4 CPU) 15:37:17 LINUX RESTART 15:38:01 CPU %user %nice %system %iowait %steal %idle 15:39:01 all 3.13 0.00 1.48 1.29 0.02 94.08 15:39:01 0 2.92 0.00 1.59 2.51 0.02 92.96 15:39:01 1 2.94 0.00 1.40 0.20 0.00 95.46 15:39:01 2 2.89 0.00 1.40 1.02 0.02 94.68 15:39:01 3 3.77 0.00 1.54 1.44 0.02 93.24 15:40:01 all 0.18 0.00 0.03 0.00 0.00 99.78 15:40:01 0 0.03 0.00 0.03 0.00 0.02 99.92 15:40:01 1 0.10 0.00 0.05 0.00 0.00 99.85 15:40:01 2 0.05 0.00 0.05 0.00 0.00 99.90 15:40:01 3 0.53 0.00 0.02 0.00 0.00 99.45 15:41:01 all 0.18 0.00 0.03 0.00 0.00 99.79 15:41:01 0 0.08 0.00 0.02 0.00 0.00 99.90 15:41:01 1 0.05 0.00 0.03 0.00 0.00 99.92 15:41:01 2 0.05 0.00 0.03 0.00 0.00 99.92 15:41:01 3 0.55 0.00 0.02 0.00 0.00 99.43 15:42:01 all 0.07 0.00 0.04 0.00 0.00 99.89 15:42:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:42:01 1 0.05 0.00 0.03 0.00 0.02 99.90 15:42:01 2 0.07 0.00 0.03 0.00 0.00 99.90 15:42:01 3 0.12 0.00 0.05 0.00 0.02 99.82 15:43:01 all 0.06 0.00 0.05 0.00 0.00 99.89 15:43:01 0 0.07 0.00 0.07 0.00 0.00 99.87 15:43:01 1 0.05 0.00 0.03 0.00 0.00 99.92 15:43:01 2 0.05 0.00 0.05 0.00 0.00 99.90 15:43:01 3 0.08 0.00 0.07 0.00 0.00 99.85 15:44:02 all 0.15 0.00 0.03 0.00 0.00 99.82 15:44:02 0 0.03 0.00 0.03 0.00 0.00 99.93 15:44:02 1 0.02 0.00 0.03 0.00 0.00 99.95 15:44:02 2 0.02 0.00 0.05 0.00 0.00 99.93 15:44:02 3 0.52 0.00 0.02 0.00 0.00 99.47 15:45:01 all 0.17 0.00 0.03 0.00 0.00 99.81 15:45:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:45:01 1 0.07 0.00 0.03 0.00 0.00 99.90 15:45:01 2 0.02 0.00 0.03 0.00 0.00 99.95 15:45:01 3 0.54 0.00 0.02 0.00 0.00 99.44 15:46:01 all 0.15 0.00 0.02 0.00 0.00 99.83 15:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:46:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:46:01 2 0.03 0.00 0.02 0.00 0.00 99.95 15:46:01 3 0.52 0.00 0.02 0.00 0.00 99.47 15:47:01 all 0.15 0.00 0.03 0.00 0.00 99.82 15:47:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:47:01 1 0.03 0.00 0.05 0.00 0.00 99.92 15:47:01 2 0.03 0.00 0.03 0.00 0.00 99.93 15:47:01 3 0.50 0.00 0.02 0.00 0.00 99.48 15:48:01 all 0.15 0.00 0.02 0.00 0.00 99.83 15:48:01 0 0.00 0.00 0.02 0.00 0.00 99.98 15:48:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:48:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:48:01 3 0.53 0.00 0.03 0.00 0.00 99.43 15:49:01 all 0.16 0.00 0.02 0.00 0.00 99.82 15:49:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:49:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:49:01 2 0.03 0.00 0.03 0.00 0.00 99.93 15:49:01 3 0.52 0.00 0.02 0.00 0.00 99.47 15:50:01 all 10.80 0.00 6.05 3.07 0.04 80.04 15:50:01 0 12.24 0.00 6.24 2.09 0.03 79.39 15:50:01 1 9.97 0.00 6.26 3.10 0.03 80.63 15:50:01 2 10.63 0.00 6.40 4.65 0.07 78.26 15:50:01 3 10.37 0.00 5.26 2.43 0.02 81.92 15:51:01 all 13.00 0.00 7.49 3.50 0.03 75.98 15:51:01 0 12.11 0.00 7.70 1.83 0.05 78.31 15:51:01 1 14.59 0.00 7.39 3.53 0.03 74.46 15:51:01 2 13.23 0.00 7.00 5.34 0.03 74.40 15:51:01 3 12.07 0.00 7.89 3.30 0.02 76.72 Average: all 2.17 0.00 1.17 0.60 0.01 96.05 Average: 0 2.11 0.00 1.21 0.49 0.01 96.18 Average: 1 2.14 0.00 1.18 0.52 0.01 96.15 Average: 2 2.07 0.00 1.16 0.84 0.01 95.91 Average: 3 2.34 0.00 1.14 0.55 0.01 95.97