---> uname -a: Linux prd-centos7-docker-4c-2g-5873.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/auth.log /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% /run/cloud-init/result.json /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 /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 804 143 0 889 969 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 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:e5:19:5f brd ff:ff:ff:ff:ff:ff inet 10.30.122.67/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85937sec preferred_lft 85937sec inet6 fe80::f816:3eff:fee5:195f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:2a:0b:f5:a0 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::42:2aff:fe0b:f5a0/64 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) 10/16/20 _x86_64_ (4 CPU) 09:47:01 LINUX RESTART (4 CPU) 09:48:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:49:01 18.01 4.25 13.77 0.00 1051.57 2272.63 0.00 09:50:01 0.40 0.00 0.40 0.00 0.00 6.10 0.00 09:51:01 0.33 0.00 0.33 0.00 0.00 5.36 0.00 09:52:01 0.25 0.00 0.25 0.00 0.00 2.92 0.00 09:53:01 164.12 91.61 72.51 0.00 5447.22 30484.17 0.00 09:54:02 213.71 71.79 141.92 0.00 3941.04 29396.42 0.00 Average: 66.17 27.95 38.22 0.00 1740.55 10365.41 0.00 09:48:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:49:01 182160 0 589200 31.31 2620 1107576 1110232 37.89 448964 1092228 20 09:50:01 184364 0 586992 31.20 2620 1107580 1090292 37.21 450332 1089472 20 09:51:01 184164 0 587184 31.21 2620 1107588 1090340 37.21 450604 1089472 8 09:52:01 184468 0 586880 31.19 2620 1107588 1081016 36.89 453564 1086360 8 09:53:01 130476 0 698576 37.13 2620 1049884 1588584 54.22 501528 1057064 44 09:54:02 102296 0 779384 41.42 1492 998384 1300512 44.38 598044 895152 29576 Average: 161321 0 638036 33.91 2432 1079767 1210163 41.30 483839 1051625 4946 09:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:49:01 eth0 30.30 22.16 27.83 18.87 0.00 0.00 0.00 0.00 09:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:49:01 docker0 1.85 1.61 0.35 3.73 0.00 0.00 0.00 0.00 09:50:01 eth0 1.93 0.53 0.63 0.42 0.00 0.00 0.00 0.00 09:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 eth0 0.75 0.40 0.28 0.21 0.00 0.00 0.00 0.00 09:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:52:01 eth0 0.92 0.08 0.09 0.01 0.00 0.00 0.00 0.00 09:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:53:01 veth42436f5 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 09:53:01 eth0 436.86 397.02 3788.53 32.95 0.00 0.00 0.00 0.00 09:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:54:02 eth0 462.54 417.85 3497.62 101.87 0.00 0.00 0.00 0.00 09:54:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:54:02 docker0 29.76 25.95 3.43 83.61 0.00 0.00 0.00 0.00 Average: eth0 155.61 139.73 1219.65 25.74 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 5.27 4.60 0.63 14.57 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) 10/16/20 _x86_64_ (4 CPU) 09:47:01 LINUX RESTART (4 CPU) 09:48:01 CPU %user %nice %system %iowait %steal %idle 09:49:01 all 1.35 0.00 0.82 0.38 0.00 97.44 09:49:01 0 1.29 0.00 1.00 0.07 0.00 97.64 09:49:01 1 1.39 0.00 0.72 0.15 0.00 97.75 09:49:01 2 1.20 0.00 0.78 1.04 0.02 96.96 09:49:01 3 1.52 0.00 0.78 0.28 0.00 97.41 09:50:01 all 0.16 0.00 0.04 0.00 0.00 99.80 09:50:01 0 0.07 0.00 0.07 0.00 0.02 99.85 09:50:01 1 0.53 0.00 0.03 0.00 0.00 99.43 09:50:01 2 0.03 0.00 0.02 0.00 0.00 99.95 09:50:01 3 0.02 0.00 0.03 0.00 0.00 99.95 09:51:01 all 0.15 0.00 0.04 0.00 0.00 99.82 09:51:01 0 0.05 0.00 0.05 0.00 0.00 99.90 09:51:01 1 0.47 0.00 0.05 0.00 0.00 99.48 09:51:01 2 0.03 0.00 0.02 0.00 0.00 99.95 09:51:01 3 0.03 0.00 0.03 0.00 0.00 99.93 09:52:01 all 0.15 0.00 0.04 0.00 0.00 99.81 09:52:01 0 0.03 0.00 0.05 0.00 0.00 99.92 09:52:01 1 0.52 0.00 0.03 0.00 0.00 99.45 09:52:01 2 0.03 0.00 0.05 0.00 0.00 99.92 09:52:01 3 0.03 0.00 0.02 0.00 0.00 99.95 09:53:01 all 6.09 0.00 3.07 1.03 0.02 89.79 09:53:01 0 6.69 0.00 3.25 0.88 0.00 89.19 09:53:01 1 5.88 0.00 3.29 0.59 0.03 90.21 09:53:01 2 6.04 0.00 3.07 1.38 0.02 89.49 09:53:01 3 5.76 0.00 2.68 1.30 0.02 90.25 09:54:02 all 10.19 0.00 6.29 2.99 0.05 80.48 09:54:02 0 9.67 0.00 5.91 1.73 0.03 82.66 09:54:02 1 10.11 0.00 5.91 3.24 0.05 80.70 09:54:02 2 11.02 0.00 7.05 4.37 0.03 77.53 09:54:02 3 9.96 0.00 6.31 2.64 0.07 81.03 Average: all 3.00 0.00 1.70 0.73 0.01 94.56 Average: 0 2.94 0.00 1.71 0.44 0.01 94.90 Average: 1 3.13 0.00 1.66 0.66 0.01 94.54 Average: 2 3.04 0.00 1.82 1.12 0.01 94.00 Average: 3 2.86 0.00 1.63 0.70 0.01 94.79