---> uname -a: Linux prd-centos7-docker-4c-2g-18329.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 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: 2933.436 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 Srbds: Not affected 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /facter-os /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log /dev/vda1 50.0G 7.3G 42.7G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-197 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-197@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 703 84 0 1050 1029 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 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:a8:e2:b4 brd ff:ff:ff:ff:ff:ff inet 10.30.122.160/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86053sec preferred_lft 86053sec inet6 fe80::f816:3eff:fea8:e2b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:4a:de:8e:cf 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::42:4aff:fede:8ecf/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 01/04/21 _x86_64_ (4 CPU) 23:17:48 LINUX RESTART (4 CPU) 23:19:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:20:01 2.16 0.00 2.16 0.00 0.00 48.09 0.00 23:21:01 0.43 0.00 0.43 0.00 0.00 6.86 0.00 23:22:01 0.27 0.00 0.27 0.00 0.00 3.15 0.00 23:23:01 0.20 0.00 0.20 0.00 0.00 1.88 0.00 Average: 0.77 0.00 0.77 0.00 0.00 15.00 0.00 23:19:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:01 163968 0 567516 30.16 2620 1147440 1095308 37.38 417712 1100908 24 23:21:01 162880 0 568596 30.22 2620 1147448 1089128 37.17 430056 1089796 20 23:22:01 161152 0 570320 30.31 2620 1147452 1089140 37.17 432172 1089792 8 23:23:01 160740 0 570732 30.33 2620 1147452 1076964 36.75 432844 1089760 8 Average: 162185 0 569291 30.26 2620 1147448 1087635 37.12 428196 1092564 15 23:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:20:01 eth0 5.78 2.35 3.50 0.84 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 3.18 0.77 0.96 0.59 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 1.38 0.30 0.35 0.23 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 23:23:01 eth0 1.02 0.57 0.54 0.40 0.00 0.00 0.00 0.00 23:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.84 0.99 1.34 0.51 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 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 01/04/21 _x86_64_ (4 CPU) 23:17:48 LINUX RESTART (4 CPU) 23:19:01 CPU %user %nice %system %iowait %steal %idle 23:20:01 all 0.21 0.00 0.07 0.00 0.00 99.72 23:20:01 0 0.07 0.00 0.07 0.00 0.00 99.87 23:20:01 1 0.12 0.00 0.05 0.00 0.00 99.83 23:20:01 2 0.23 0.00 0.05 0.00 0.00 99.72 23:20:01 3 0.42 0.00 0.12 0.00 0.02 99.45 23:21:01 all 0.19 0.00 0.05 0.00 0.00 99.76 23:21:01 0 0.05 0.00 0.03 0.00 0.00 99.92 23:21:01 1 0.05 0.00 0.07 0.00 0.02 99.87 23:21:01 2 0.15 0.00 0.05 0.00 0.00 99.80 23:21:01 3 0.50 0.00 0.03 0.00 0.00 99.47 23:22:01 all 0.16 0.00 0.03 0.00 0.00 99.80 23:22:01 0 0.08 0.00 0.03 0.00 0.02 99.87 23:22:01 1 0.02 0.00 0.03 0.00 0.00 99.95 23:22:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:22:01 3 0.52 0.00 0.02 0.00 0.00 99.47 23:23:01 all 0.10 0.00 0.05 0.00 0.01 99.84 23:23:01 0 0.05 0.00 0.03 0.00 0.00 99.92 23:23:01 1 0.02 0.00 0.05 0.00 0.02 99.92 23:23:01 2 0.03 0.00 0.05 0.00 0.02 99.90 23:23:01 3 0.32 0.00 0.05 0.00 0.00 99.63 Average: all 0.17 0.00 0.05 0.00 0.01 99.78 Average: 0 0.06 0.00 0.04 0.00 0.00 99.89 Average: 1 0.05 0.00 0.05 0.00 0.01 99.89 Average: 2 0.11 0.00 0.05 0.00 0.00 99.84 Average: 3 0.44 0.00 0.05 0.00 0.00 99.50