---> uname -a: Linux prd-centos7-docker-4c-2g-21722.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-208@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-208 ---> free -m: total used free shared buff/cache available Mem: 1837 698 90 0 1048 1034 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:65:76:2e brd ff:ff:ff:ff:ff:ff inet 10.30.122.150/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85965sec preferred_lft 85965sec inet6 fe80::f816:3eff:fe65:762e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:a0:4a:a4:86 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:a0ff:fe4a:a486/64 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) 01/20/21 _x86_64_ (4 CPU) 23:17:36 LINUX RESTART (4 CPU) 23:18:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:19:01 121.25 48.04 73.21 0.00 7803.36 31793.91 0.00 23:20:01 3.31 0.05 3.26 0.00 1.60 104.51 0.00 23:21:01 0.45 0.00 0.45 0.00 0.00 7.56 0.00 23:22:01 0.25 0.00 0.25 0.00 0.00 3.20 0.00 23:23:01 0.33 0.00 0.33 0.00 0.00 5.71 0.00 23:24:02 0.37 0.00 0.37 0.00 0.00 6.54 0.00 Average: 21.00 8.02 12.98 0.00 1301.48 5322.88 0.00 23:18:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:19:01 161128 0 595608 31.66 2620 1122188 1119276 38.20 428332 1093840 128 23:20:01 164372 0 592456 31.49 2620 1122096 1098044 37.47 427660 1091544 12 23:21:01 164592 0 592232 31.48 2620 1122100 1085980 37.06 435680 1083436 8 23:22:01 165416 0 591408 31.43 2620 1122100 1085936 37.06 435252 1083436 16 23:23:01 164752 0 592064 31.47 2620 1122108 1085960 37.06 441404 1078660 8 23:24:02 163752 0 593060 31.52 2620 1122112 1086136 37.07 441768 1078660 8 Average: 164002 0 592805 31.51 2620 1122117 1093555 37.32 435016 1084929 30 23:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:19:01 eth0 490.60 300.70 1058.79 93.12 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 2.21 1.86 0.39 4.07 0.00 0.00 0.00 0.00 23:20:01 eth0 1.22 0.28 0.33 0.23 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 2.03 0.32 0.38 0.17 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 4.66 0.58 0.88 0.40 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 4.38 0.80 1.07 0.63 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 23:24:02 eth0 1.33 0.65 0.68 0.43 0.00 0.00 0.00 0.00 23:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 84.08 50.58 177.11 15.84 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 0.37 0.31 0.07 0.68 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) 01/20/21 _x86_64_ (4 CPU) 23:17:36 LINUX RESTART (4 CPU) 23:18:01 CPU %user %nice %system %iowait %steal %idle 23:19:01 all 14.31 0.00 7.22 4.10 0.28 74.08 23:19:01 0 13.35 0.00 9.08 5.06 0.24 72.27 23:19:01 1 14.69 0.00 6.13 2.77 0.27 76.15 23:19:01 2 12.77 0.00 7.93 5.25 0.31 73.74 23:19:01 3 16.44 0.00 5.75 3.34 0.31 74.16 23:20:01 all 0.17 0.00 0.06 0.00 0.02 99.75 23:20:01 0 0.05 0.00 0.07 0.00 0.00 99.88 23:20:01 1 0.07 0.00 0.05 0.00 0.02 99.87 23:20:01 2 0.53 0.00 0.10 0.00 0.03 99.33 23:20:01 3 0.03 0.00 0.03 0.00 0.02 99.92 23:21:01 all 0.18 0.00 0.05 0.00 0.03 99.75 23:21:01 0 0.05 0.00 0.02 0.00 0.03 99.90 23:21:01 1 0.05 0.00 0.07 0.00 0.02 99.87 23:21:01 2 0.57 0.00 0.03 0.00 0.02 99.38 23:21:01 3 0.05 0.00 0.08 0.00 0.03 99.83 23:22:01 all 0.15 0.00 0.04 0.00 0.05 99.76 23:22:01 0 0.05 0.00 0.03 0.00 0.05 99.87 23:22:01 1 0.07 0.00 0.07 0.00 0.05 99.82 23:22:01 2 0.48 0.00 0.05 0.00 0.05 99.42 23:22:01 3 0.02 0.00 0.02 0.00 0.03 99.93 23:23:01 all 0.17 0.00 0.07 0.00 0.05 99.71 23:23:01 0 0.07 0.00 0.07 0.00 0.02 99.85 23:23:01 1 0.05 0.00 0.05 0.00 0.05 99.85 23:23:01 2 0.50 0.00 0.03 0.00 0.10 99.37 23:23:01 3 0.05 0.00 0.12 0.00 0.05 99.78 23:24:02 all 0.17 0.00 0.05 0.00 0.05 99.74 23:24:02 0 0.05 0.00 0.02 0.00 0.03 99.90 23:24:02 1 0.07 0.00 0.07 0.00 0.08 99.78 23:24:02 2 0.53 0.00 0.05 0.00 0.07 99.35 23:24:02 3 0.02 0.00 0.05 0.00 0.02 99.92 Average: all 2.48 0.00 1.23 0.67 0.08 95.54 Average: 0 2.22 0.00 1.51 0.83 0.06 95.38 Average: 1 2.46 0.00 1.06 0.45 0.08 95.95 Average: 2 2.53 0.00 1.34 0.86 0.09 95.18 Average: 3 2.72 0.00 0.99 0.55 0.08 95.67