---> uname -a: Linux prd-centos7-docker-4c-2g-9600.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: 2933.442 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 7.2G 42.8G 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 7.2G 42.8G 14% /facter-os /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa-host /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/secure /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/auth.log /dev/vda1 50.0G 7.2G 42.8G 14% /run/cloud-init/result.json /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-179 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-179@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 645 113 0 1079 1089 Swap: 1023 0 1023 ---> 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:02:e9:64 brd ff:ff:ff:ff:ff:ff inet 10.30.123.245/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86051sec preferred_lft 86051sec inet6 fe80::f816:3eff:fe02:e964/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:84:e4:d6:29 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::42:84ff:fee4:d629/64 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) 23:16:53 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:19:01 3.93 1.13 2.80 0.00 70.60 103.08 0.00 23:20:01 0.50 0.02 0.48 0.00 0.53 6.91 0.00 23:21:01 0.25 0.00 0.25 0.00 0.00 2.71 0.00 23:22:01 0.15 0.00 0.15 0.00 0.00 1.62 0.00 Average: 1.21 0.29 0.92 0.00 17.79 28.59 0.00 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 182708 0 540580 28.73 2620 1155648 1095808 37.40 382416 1156876 20 23:20:01 182936 0 540344 28.72 2620 1155656 1079348 36.84 383852 1155352 8 23:21:01 182136 0 541140 28.76 2620 1155660 1079552 36.84 385000 1155348 8 23:22:01 180356 0 542920 28.85 2620 1155660 1079552 36.84 391452 1150744 12 Average: 182034 0 541246 28.77 2620 1155656 1083565 36.98 385680 1154580 12 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 eth0 9.34 5.66 8.71 2.01 0.00 0.00 0.00 0.00 23:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 eth0 0.53 0.08 0.06 0.01 0.00 0.00 0.00 0.00 23:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:21:01 eth0 0.98 0.28 0.32 0.20 0.00 0.00 0.00 0.00 23:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 eth0 0.57 0.48 0.30 0.21 0.00 0.00 0.00 0.00 23:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.86 1.63 2.35 0.61 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 0.00 0.00 0.00 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) 10/28/20 _x86_64_ (4 CPU) 23:16:53 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 0.37 0.00 0.11 0.02 0.00 99.50 23:19:01 0 0.40 0.00 0.10 0.00 0.00 99.50 23:19:01 1 0.20 0.00 0.13 0.08 0.00 99.58 23:19:01 2 0.73 0.00 0.12 0.00 0.00 99.15 23:19:01 3 0.13 0.00 0.10 0.00 0.00 99.77 23:20:01 all 0.15 0.00 0.05 0.00 0.00 99.81 23:20:01 0 0.07 0.00 0.05 0.00 0.00 99.88 23:20:01 1 0.45 0.00 0.07 0.00 0.00 99.48 23:20:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:20:01 3 0.02 0.00 0.02 0.00 0.00 99.97 23:21:01 all 0.17 0.00 0.03 0.00 0.00 99.79 23:21:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:21:01 1 0.55 0.00 0.02 0.00 0.00 99.43 23:21:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:21:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:22:01 all 0.13 0.00 0.05 0.00 0.00 99.82 23:22:01 0 0.00 0.00 0.02 0.00 0.00 99.98 23:22:01 1 0.43 0.00 0.05 0.00 0.02 99.50 23:22:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:22:01 3 0.03 0.00 0.08 0.00 0.00 99.88 Average: all 0.20 0.00 0.06 0.01 0.00 99.73 Average: 0 0.13 0.00 0.05 0.00 0.00 99.83 Average: 1 0.41 0.00 0.07 0.02 0.00 99.50 Average: 2 0.22 0.00 0.06 0.00 0.00 99.72 Average: 3 0.06 0.00 0.06 0.00 0.00 99.88