---> uname -a: Linux prd-centos7-docker-4c-2g-4152.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: 2933.438 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 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% /w/workspace/gexfoundry_device-mqtt-go_PR-236@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /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-236 ---> free -m: total used free shared buff/cache available Mem: 1837 722 86 0 1027 1009 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:1b:35:64 brd ff:ff:ff:ff:ff:ff inet 10.30.122.164/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85844sec preferred_lft 85844sec inet6 fe80::f816:3eff:fe1b:3564/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:46:66:04:fc 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::42:46ff:fe66:4fc/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) 05/10/21 _x86_64_ (4 CPU) 18:05:51 LINUX RESTART (4 CPU) 18:07:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:08:01 2.55 0.00 2.55 0.00 0.00 56.49 0.00 18:09:01 0.47 0.00 0.47 0.00 0.00 6.48 0.00 18:10:01 0.25 0.00 0.25 0.00 0.00 2.86 0.00 18:11:01 0.18 0.00 0.18 0.00 0.00 2.15 0.00 18:12:01 0.30 0.00 0.30 0.00 0.00 4.61 0.00 18:13:01 0.33 0.00 0.33 0.00 0.00 4.53 0.00 18:14:01 0.27 0.00 0.27 0.00 0.00 3.33 0.00 18:15:02 71.22 46.90 24.32 0.00 4070.82 10916.23 0.00 Average: 9.48 5.88 3.59 0.00 510.78 1379.75 0.00 18:07:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:08:01 140796 0 606600 32.24 2620 1131528 1102952 37.64 445460 1097532 12 18:09:01 144580 0 602804 32.04 2620 1131540 1073020 36.62 446796 1092264 12 18:10:01 142024 0 605356 32.17 2620 1131544 1073140 36.62 449688 1092256 16 18:11:01 141724 0 605656 32.19 2620 1131544 1073152 36.62 449864 1092264 8 18:12:01 140152 0 607220 32.27 2620 1131552 1073152 36.62 449972 1094080 12 18:13:01 140764 0 606604 32.24 2620 1131556 1073020 36.62 449320 1094080 16 18:14:01 140668 0 606696 32.24 2620 1131560 1073020 36.62 449232 1094080 8 18:15:02 69668 0 718984 38.21 2620 1090272 1516348 51.75 585024 1001440 29992 Average: 132547 0 619990 32.95 2620 1126387 1132226 38.64 465670 1082250 3760 18:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:08:01 eth0 1.63 0.92 0.81 0.60 0.00 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 1.76 0.08 0.14 0.01 0.00 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 2.71 0.57 0.69 0.36 0.00 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 eth0 1.78 0.28 0.38 0.23 0.00 0.00 0.00 0.00 18:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 eth0 2.33 1.42 1.70 0.51 0.00 0.00 0.00 0.00 18:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 0.00 18:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 eth0 0.35 0.07 0.03 0.01 0.00 0.00 0.00 0.00 18:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:02 eth0 157.64 145.51 2157.27 46.05 0.00 0.00 0.00 0.00 18:15:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:15:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 21.12 18.68 271.15 5.99 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) 05/10/21 _x86_64_ (4 CPU) 18:05:51 LINUX RESTART (4 CPU) 18:07:01 CPU %user %nice %system %iowait %steal %idle 18:08:01 all 0.21 0.00 0.07 0.00 0.00 99.72 18:08:01 0 0.58 0.00 0.03 0.00 0.00 99.38 18:08:01 1 0.10 0.00 0.08 0.00 0.00 99.82 18:08:01 2 0.08 0.00 0.05 0.00 0.00 99.87 18:08:01 3 0.08 0.00 0.10 0.00 0.00 99.82 18:09:01 all 0.22 0.00 0.22 0.00 0.01 99.55 18:09:01 0 0.52 0.00 0.12 0.00 0.00 99.37 18:09:01 1 0.13 0.00 0.22 0.00 0.03 99.62 18:09:01 2 0.13 0.00 0.15 0.00 0.00 99.72 18:09:01 3 0.10 0.00 0.42 0.00 0.00 99.48 18:10:01 all 0.15 0.00 0.05 0.00 0.00 99.79 18:10:01 0 0.47 0.00 0.03 0.00 0.02 99.48 18:10:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:10:01 2 0.03 0.00 0.05 0.00 0.00 99.92 18:10:01 3 0.07 0.00 0.08 0.00 0.00 99.85 18:11:01 all 0.19 0.00 0.11 0.00 0.01 99.70 18:11:01 0 0.55 0.00 0.12 0.00 0.00 99.33 18:11:01 1 0.08 0.00 0.13 0.00 0.00 99.78 18:11:01 2 0.05 0.00 0.10 0.00 0.02 99.83 18:11:01 3 0.07 0.00 0.08 0.00 0.02 99.83 18:12:01 all 0.21 0.00 0.05 0.00 0.00 99.74 18:12:01 0 0.57 0.00 0.05 0.00 0.00 99.38 18:12:01 1 0.08 0.00 0.10 0.00 0.00 99.82 18:12:01 2 0.08 0.00 0.05 0.00 0.00 99.87 18:12:01 3 0.10 0.00 0.02 0.00 0.00 99.88 18:13:01 all 0.16 0.00 0.03 0.00 0.00 99.80 18:13:01 0 0.52 0.00 0.02 0.00 0.00 99.47 18:13:01 1 0.08 0.00 0.08 0.00 0.02 99.82 18:13:01 2 0.03 0.00 0.02 0.00 0.00 99.95 18:13:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:14:01 all 0.12 0.00 0.05 0.00 0.00 99.83 18:14:01 0 0.33 0.00 0.05 0.00 0.00 99.62 18:14:01 1 0.07 0.00 0.05 0.00 0.00 99.88 18:14:01 2 0.05 0.00 0.03 0.00 0.00 99.92 18:14:01 3 0.03 0.00 0.07 0.00 0.00 99.90 18:15:02 all 4.42 0.00 2.97 1.23 0.05 91.33 18:15:02 0 4.29 0.00 2.97 0.44 0.05 92.25 18:15:02 1 4.23 0.00 2.78 2.31 0.05 90.64 18:15:02 2 4.66 0.00 3.53 1.87 0.07 89.88 18:15:02 3 4.50 0.00 2.59 0.29 0.05 92.58 Average: all 0.71 0.00 0.44 0.15 0.01 98.69 Average: 0 0.97 0.00 0.42 0.05 0.01 98.55 Average: 1 0.60 0.00 0.43 0.29 0.01 98.67 Average: 2 0.64 0.00 0.49 0.23 0.01 98.63 Average: 3 0.62 0.00 0.42 0.04 0.01 98.92