---> uname -a: Linux fb31044a5647 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 6.9G 43.0G 14% / 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-169 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-169@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 683 129 0 1024 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 6: eth0@if7: 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) 09/08/20 _x86_64_ (4 CPU) 04:45:34 LINUX RESTART (4 CPU) 04:46:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:47:02 163.75 81.10 82.65 0.00 9311.09 38981.37 0.00 04:48:01 20.60 4.81 15.79 0.00 1166.62 1993.01 0.00 04:49:01 1.46 0.00 1.46 0.00 0.00 21.90 0.00 04:50:01 0.27 0.00 0.27 0.00 0.00 2.98 0.00 04:51:01 0.22 0.00 0.22 0.00 0.00 3.73 0.00 04:52:01 0.28 0.00 0.28 0.00 0.00 4.73 0.00 04:53:01 0.25 0.02 0.23 0.00 0.13 2.03 0.00 04:54:01 0.30 0.00 0.30 0.00 0.00 3.53 0.00 04:55:01 0.27 0.00 0.27 0.00 0.00 2.98 0.00 04:56:01 0.27 0.00 0.27 0.00 0.00 3.90 0.00 04:57:01 0.25 0.00 0.25 0.00 0.00 2.56 0.00 04:58:02 0.17 0.00 0.17 0.00 0.00 1.75 0.00 04:59:01 0.27 0.00 0.27 0.00 0.00 3.69 0.00 Average: 14.32 6.53 7.79 0.00 796.52 3119.21 0.00 04:46:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:47:02 103332 0 623060 33.11 2620 1152544 1367280 46.66 446080 1168900 44276 04:48:01 172696 0 598092 31.79 2620 1108148 1147644 39.17 446508 1102776 20 04:49:01 181024 0 589756 31.34 2620 1108156 1096420 37.42 441424 1100492 20 04:50:01 177800 0 592980 31.52 2620 1108156 1096456 37.42 445504 1099844 16 04:51:01 179820 0 590952 31.41 2620 1108164 1084148 37.00 451700 1092336 16 04:52:01 176708 0 594056 31.57 2620 1108172 1065984 36.38 460484 1086648 8 04:53:01 176464 0 594296 31.59 2620 1108176 1066008 36.38 472576 1074872 12 04:54:01 179196 0 591556 31.44 2620 1108184 1065684 36.37 467640 1077208 8 04:55:01 178420 0 592328 31.48 2620 1108188 1065852 36.38 468664 1077208 20 04:56:01 177580 0 593160 31.52 2620 1108196 1065936 36.38 469044 1077208 8 04:57:01 174892 0 595848 31.67 2620 1108196 1066024 36.38 466160 1082964 20 04:58:02 176468 0 594268 31.58 2620 1108200 1065748 36.37 464648 1082964 20 04:59:01 176560 0 594168 31.58 2620 1108208 1065748 36.37 464664 1082964 8 Average: 171612 0 595732 31.66 2620 1111591 1101456 37.59 458854 1092799 3419 04:46:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:47:02 eth0 195.77 149.24 1020.91 57.92 0.00 0.00 0.00 0.00 04:47:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:47:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 eth0 27.32 23.63 30.43 28.24 0.00 0.00 0.00 0.00 04:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:48:01 docker0 2.01 1.74 0.34 3.56 0.00 0.00 0.00 0.00 04:49:01 eth0 2.48 0.35 0.44 0.24 0.00 0.00 0.00 0.00 04:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 eth0 1.52 0.47 0.60 0.39 0.00 0.00 0.00 0.00 04:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 eth0 2.53 0.82 0.78 0.41 0.00 0.00 0.00 0.00 04:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 eth0 2.11 0.98 1.00 0.61 0.00 0.00 0.00 0.00 04:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 eth0 0.53 0.42 0.29 0.27 0.00 0.00 0.00 0.00 04:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 eth0 1.71 0.47 0.41 0.21 0.00 0.00 0.00 0.00 04:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 eth0 0.98 0.30 0.31 0.20 0.00 0.00 0.00 0.00 04:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 eth0 0.98 0.68 0.44 0.29 0.00 0.00 0.00 0.00 04:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:02 eth0 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 17.97 13.50 80.26 6.75 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.15 0.13 0.03 0.27 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) 09/08/20 _x86_64_ (4 CPU) 04:45:34 LINUX RESTART (4 CPU) 04:46:02 CPU %user %nice %system %iowait %steal %idle 04:47:02 all 14.98 0.00 8.14 7.07 23.25 46.55 04:47:02 0 9.94 0.00 7.74 7.51 26.44 48.37 04:47:02 1 15.21 0.00 7.22 5.38 22.78 49.42 04:47:02 2 17.62 0.00 6.85 7.48 22.09 45.96 04:47:02 3 17.45 0.00 10.81 7.95 21.51 42.28 04:48:01 all 1.44 0.00 1.04 0.45 3.87 93.19 04:48:01 0 1.11 0.00 0.84 0.07 4.72 93.26 04:48:01 1 1.87 0.00 1.30 1.44 3.36 92.03 04:48:01 2 1.30 0.00 0.85 0.18 3.85 93.81 04:48:01 3 1.49 0.00 1.17 0.13 3.54 93.66 04:49:01 all 0.09 0.00 0.06 0.00 0.33 99.52 04:49:01 0 0.25 0.00 0.03 0.00 0.43 99.29 04:49:01 1 0.03 0.00 0.08 0.00 0.10 99.78 04:49:01 2 0.08 0.00 0.08 0.00 0.61 99.22 04:49:01 3 0.00 0.00 0.03 0.00 0.17 99.80 04:50:01 all 0.11 0.00 0.03 0.00 0.39 99.47 04:50:01 0 0.23 0.00 0.03 0.00 0.40 99.33 04:50:01 1 0.03 0.00 0.03 0.00 0.13 99.80 04:50:01 2 0.08 0.00 0.05 0.00 0.83 99.04 04:50:01 3 0.08 0.00 0.02 0.00 0.20 99.70 04:51:01 all 0.14 0.00 0.04 0.00 0.13 99.68 04:51:01 0 0.38 0.00 0.03 0.00 0.15 99.43 04:51:01 1 0.07 0.00 0.02 0.00 0.15 99.77 04:51:01 2 0.07 0.00 0.03 0.00 0.18 99.72 04:51:01 3 0.05 0.00 0.08 0.00 0.05 99.82 04:52:01 all 0.15 0.00 0.07 0.00 0.27 99.50 04:52:01 0 0.38 0.00 0.03 0.00 0.27 99.32 04:52:01 1 0.08 0.00 0.05 0.00 0.33 99.53 04:52:01 2 0.08 0.00 0.05 0.00 0.20 99.67 04:52:01 3 0.07 0.00 0.15 0.00 0.30 99.48 04:53:01 all 0.13 0.00 0.04 0.00 0.07 99.75 04:53:01 0 0.02 0.00 0.03 0.00 0.07 99.88 04:53:01 1 0.03 0.00 0.02 0.00 0.12 99.83 04:53:01 2 0.03 0.00 0.03 0.00 0.08 99.85 04:53:01 3 0.45 0.00 0.08 0.00 0.03 99.43 04:54:01 all 0.12 0.00 0.03 0.00 0.10 99.75 04:54:01 0 0.02 0.00 0.03 0.00 0.15 99.80 04:54:01 1 0.02 0.00 0.03 0.00 0.12 99.83 04:54:01 2 0.03 0.00 0.03 0.00 0.07 99.87 04:54:01 3 0.40 0.00 0.02 0.00 0.07 99.52 04:55:01 all 0.13 0.00 0.02 0.00 0.11 99.74 04:55:01 0 0.05 0.00 0.05 0.00 0.17 99.73 04:55:01 1 0.03 0.00 0.02 0.00 0.10 99.85 04:55:01 2 0.05 0.00 0.02 0.00 0.12 99.82 04:55:01 3 0.38 0.00 0.00 0.00 0.05 99.57 04:56:01 all 0.07 0.00 0.03 0.00 0.25 99.65 04:56:01 0 0.00 0.00 0.03 0.00 0.28 99.68 04:56:01 1 0.05 0.00 0.03 0.00 0.33 99.58 04:56:01 2 0.03 0.00 0.02 0.00 0.15 99.80 04:56:01 3 0.18 0.00 0.03 0.00 0.23 99.55 04:57:01 all 0.13 0.00 0.03 0.00 0.20 99.64 04:57:01 0 0.03 0.00 0.00 0.00 0.08 99.88 04:57:01 1 0.37 0.00 0.10 0.02 0.38 99.13 04:57:01 2 0.08 0.00 0.02 0.00 0.25 99.65 04:57:01 3 0.03 0.00 0.00 0.00 0.08 99.88 04:57:01 CPU %user %nice %system %iowait %steal %idle 04:58:02 all 0.12 0.00 0.03 0.00 0.18 99.67 04:58:02 0 0.02 0.00 0.03 0.00 0.18 99.77 04:58:02 1 0.35 0.00 0.03 0.00 0.23 99.38 04:58:02 2 0.07 0.00 0.03 0.00 0.20 99.70 04:58:02 3 0.03 0.00 0.03 0.00 0.12 99.82 04:59:01 all 0.11 0.00 0.03 0.00 0.09 99.78 04:59:01 0 0.02 0.00 0.00 0.00 0.02 99.97 04:59:01 1 0.34 0.00 0.03 0.00 0.08 99.54 04:59:01 2 0.05 0.00 0.07 0.00 0.12 99.76 04:59:01 3 0.02 0.00 0.02 0.00 0.14 99.83 Average: all 1.39 0.00 0.75 0.59 2.29 94.98 Average: 0 1.00 0.00 0.72 0.61 2.68 94.99 Average: 1 1.46 0.00 0.71 0.54 2.22 95.08 Average: 2 1.50 0.00 0.62 0.59 2.21 95.08 Average: 3 1.59 0.00 0.96 0.62 2.04 94.78