---> uname -a: Linux prd-centos7-docker-4c-2g-9413.vexxhost.local 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 8.5G 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% /facter-os /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/secure /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/auth.log /dev/vda1 50.0G 8.5G 41.5G 17% /run/cloud-init/result.json /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 /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 787 149 0 899 985 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 inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:50:68:55 brd ff:ff:ff:ff:ff:ff inet 10.30.122.49/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85913sec preferred_lft 85913sec inet6 fe80::f816:3eff:fe50:6855/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:41:4a:3d:39 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:41ff:fe4a:3d39/64 scope link 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) 10/28/20 _x86_64_ (4 CPU) 04:07:00 LINUX RESTART (4 CPU) 04:08:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:09:01 27.29 10.44 16.85 0.00 4398.93 2338.59 0.00 04:10:01 0.42 0.00 0.42 0.00 0.00 6.61 0.00 04:11:01 0.23 0.00 0.23 0.00 0.00 3.11 0.00 04:12:01 0.18 0.00 0.18 0.00 0.00 2.02 0.00 04:13:01 0.35 0.00 0.35 0.00 0.00 4.85 0.00 04:14:01 259.03 144.15 114.88 0.00 7593.67 33944.00 0.00 04:15:01 233.28 102.58 130.70 0.00 7701.96 32735.66 0.00 Average: 74.43 36.75 37.68 0.00 2814.49 9866.28 0.00 04:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:09:01 165132 0 588420 31.27 2620 1125384 1107072 37.78 450876 1106960 20 04:10:01 168664 0 584880 31.08 2620 1125392 1064672 36.34 449680 1105312 20 04:11:01 167828 0 585712 31.13 2620 1125396 1064744 36.34 450172 1105312 16 04:12:01 168404 0 585136 31.10 2620 1125396 1064480 36.33 459484 1095724 16 04:13:01 168204 0 585328 31.11 2620 1125404 1064576 36.33 459892 1095696 20 04:14:01 154920 0 683036 36.30 2596 1041004 1394844 47.60 592748 934212 56 04:15:01 115692 0 754420 40.10 1492 1009952 1137572 38.82 631960 848200 84 Average: 158406 0 623847 33.16 2455 1096847 1128280 38.51 499259 1041631 33 04:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:09:01 eth0 61.57 49.93 338.33 24.43 0.00 0.00 0.00 0.00 04:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:09:01 docker0 1.90 1.63 0.37 3.79 0.00 0.00 0.00 0.00 04:10:01 eth0 1.70 0.53 0.39 0.21 0.00 0.00 0.00 0.00 04:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 eth0 1.35 0.77 0.58 0.41 0.00 0.00 0.00 0.00 04:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 eth0 1.05 0.17 0.20 0.07 0.00 0.00 0.00 0.00 04:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 veth01d744e 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 04:14:01 eth0 547.64 482.84 4200.65 108.31 0.00 0.00 0.00 0.00 04:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 docker0 38.92 37.07 4.44 191.03 0.00 0.00 0.00 0.00 04:15:01 eth0 492.00 417.84 3452.81 97.28 0.00 0.00 0.00 0.00 04:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 docker0 32.00 48.19 1.92 199.99 0.00 0.00 0.00 0.00 Average: eth0 157.98 136.08 1142.31 32.97 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 10.41 12.42 0.96 56.42 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) 10/28/20 _x86_64_ (4 CPU) 04:07:00 LINUX RESTART (4 CPU) 04:08:01 CPU %user %nice %system %iowait %steal %idle 04:09:01 all 2.29 0.00 1.54 0.44 0.00 95.74 04:09:01 0 2.53 0.00 1.36 0.33 0.00 95.78 04:09:01 1 1.89 0.00 1.36 0.15 0.02 96.58 04:09:01 2 2.22 0.00 1.77 1.10 0.00 94.90 04:09:01 3 2.51 0.00 1.66 0.15 0.00 95.69 04:10:01 all 0.15 0.00 0.05 0.00 0.00 99.80 04:10:01 0 0.03 0.00 0.05 0.00 0.00 99.92 04:10:01 1 0.05 0.00 0.07 0.00 0.00 99.88 04:10:01 2 0.07 0.00 0.05 0.00 0.00 99.88 04:10:01 3 0.45 0.00 0.03 0.00 0.00 99.52 04:11:01 all 0.17 0.00 0.04 0.00 0.00 99.80 04:11:01 0 0.03 0.00 0.02 0.00 0.00 99.95 04:11:01 1 0.05 0.00 0.05 0.00 0.00 99.90 04:11:01 2 0.05 0.00 0.05 0.00 0.00 99.90 04:11:01 3 0.53 0.00 0.03 0.00 0.00 99.43 04:12:01 all 0.15 0.00 0.05 0.00 0.00 99.80 04:12:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:12:01 1 0.05 0.00 0.13 0.00 0.00 99.82 04:12:01 2 0.03 0.00 0.02 0.00 0.00 99.95 04:12:01 3 0.50 0.00 0.00 0.00 0.00 99.50 04:13:01 all 0.17 0.00 0.04 0.00 0.00 99.79 04:13:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:13:01 1 0.08 0.00 0.07 0.00 0.00 99.85 04:13:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:13:01 3 0.52 0.00 0.02 0.00 0.00 99.47 04:14:01 all 11.13 0.00 7.77 3.02 0.03 78.07 04:14:01 0 10.59 0.00 8.62 1.86 0.03 78.90 04:14:01 1 10.84 0.00 7.44 5.04 0.03 76.65 04:14:01 2 12.50 0.00 7.95 3.53 0.02 76.00 04:14:01 3 10.58 0.00 7.06 1.63 0.02 80.71 04:15:01 all 10.97 0.00 8.46 3.22 0.04 77.31 04:15:01 0 12.39 0.00 9.04 0.76 0.03 77.78 04:15:01 1 10.22 0.00 8.34 2.87 0.03 78.54 04:15:01 2 10.69 0.00 8.40 5.89 0.03 74.98 04:15:01 3 10.59 0.00 8.05 3.36 0.05 77.95 Average: all 3.53 0.00 2.53 0.94 0.01 93.00 Average: 0 3.60 0.00 2.69 0.42 0.01 93.28 Average: 1 3.27 0.00 2.46 1.14 0.01 93.11 Average: 2 3.61 0.00 2.57 1.48 0.01 92.33 Average: 3 3.62 0.00 2.37 0.72 0.01 93.27