---> uname -a: Linux prd-centos7-docker-4c-2g-18327.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: 2933.442 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 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-199 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-199@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 708 105 0 1023 1024 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:8b:28:51 brd ff:ff:ff:ff:ff:ff inet 10.30.123.7/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86062sec preferred_lft 86062sec inet6 fe80::f816:3eff:fe8b:2851/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:17:3a:12:8f 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::42:17ff:fe3a:128f/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) 23:16:51 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:19:01 2.48 0.00 2.48 0.00 0.00 56.54 0.00 23:20:01 0.43 0.00 0.43 0.00 0.00 6.86 0.00 23:21:01 0.27 0.00 0.27 0.00 0.00 3.51 0.00 23:22:01 0.38 0.00 0.38 0.00 0.00 5.76 0.00 Average: 0.89 0.00 0.89 0.00 0.00 18.17 0.00 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 169664 0 606440 32.23 2620 1102820 1095464 37.39 421876 1092032 12 23:20:01 167984 0 608112 32.32 2620 1102828 1095476 37.39 435088 1080672 20 23:21:01 166528 0 609564 32.40 2620 1102832 1091388 37.25 431980 1085312 16 23:22:01 165748 0 610340 32.44 2620 1102836 1091388 37.25 440436 1078020 8 Average: 167481 0 608614 32.35 2620 1102829 1093429 37.32 432345 1084009 14 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 eth0 2.65 0.55 0.69 0.39 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 3.36 1.12 1.20 0.76 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 3.21 0.88 0.96 0.60 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 0.33 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 Average: eth0 2.65 0.72 0.80 0.49 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) 23:16:51 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 0.20 0.00 0.06 0.00 0.01 99.73 23:19:01 0 0.10 0.00 0.05 0.00 0.00 99.85 23:19:01 1 0.08 0.00 0.05 0.00 0.00 99.87 23:19:01 2 0.55 0.00 0.07 0.00 0.02 99.37 23:19:01 3 0.07 0.00 0.07 0.00 0.02 99.85 23:20:01 all 0.20 0.00 0.07 0.00 0.00 99.72 23:20:01 0 0.13 0.00 0.05 0.00 0.00 99.82 23:20:01 1 0.52 0.00 0.05 0.00 0.00 99.43 23:20:01 2 0.08 0.00 0.12 0.00 0.00 99.80 23:20:01 3 0.08 0.00 0.07 0.00 0.00 99.85 23:21:01 all 0.15 0.00 0.05 0.00 0.00 99.80 23:21:01 0 0.08 0.00 0.07 0.00 0.02 99.83 23:21:01 1 0.10 0.00 0.05 0.00 0.00 99.85 23:21:01 2 0.07 0.00 0.05 0.00 0.00 99.88 23:21:01 3 0.33 0.00 0.05 0.00 0.00 99.62 23:22:01 all 0.17 0.00 0.08 0.00 0.00 99.75 23:22:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:22:01 1 0.07 0.00 0.10 0.02 0.00 99.82 23:22:01 2 0.05 0.00 0.15 0.00 0.00 99.80 23:22:01 3 0.52 0.00 0.05 0.00 0.00 99.43 Average: all 0.18 0.00 0.07 0.00 0.00 99.75 Average: 0 0.09 0.00 0.05 0.00 0.00 99.86 Average: 1 0.19 0.00 0.06 0.00 0.00 99.74 Average: 2 0.19 0.00 0.10 0.00 0.00 99.71 Average: 3 0.25 0.00 0.06 0.00 0.00 99.69