---> uname -a: Linux prd-centos7-docker-4c-2g-2608.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/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-222 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/gexfoundry_device-mqtt-go_PR-222@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 ---> free -m: total used free shared buff/cache available Mem: 1837 698 109 0 1029 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:30:91:10 brd ff:ff:ff:ff:ff:ff inet 10.30.122.78/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85826sec preferred_lft 85826sec inet6 fe80::f816:3eff:fe30:9110/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:0c:74:ac:2e 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:cff:fe74:ac2e/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) 05/01/21 _x86_64_ (4 CPU) 19:16:53 LINUX RESTART (4 CPU) 19:18:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:19:01 48.68 11.35 37.33 0.00 4348.16 3207.26 0.00 19:20:01 1.95 0.00 1.95 0.00 0.00 39.92 0.00 19:21:01 0.23 0.00 0.23 0.00 0.00 3.20 0.00 19:22:01 0.25 0.00 0.25 0.00 0.00 2.70 0.00 19:23:01 0.35 0.00 0.35 0.00 0.00 5.71 0.00 19:24:01 0.28 0.00 0.28 0.00 0.00 3.46 0.00 19:25:01 0.23 0.00 0.23 0.00 0.00 2.30 0.00 19:26:01 35.18 34.88 0.30 0.00 3390.18 4.21 0.00 Average: 10.82 5.77 5.05 0.00 960.51 402.96 0.00 19:18:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:19:01 128980 0 603368 32.07 2620 1146576 1139176 38.88 426212 1125660 128 19:20:01 140436 0 591900 31.46 2620 1146588 1068612 36.47 429484 1113008 20 19:21:01 138336 0 593996 31.57 2620 1146592 1068756 36.47 434420 1110968 16 19:22:01 137452 0 594876 31.62 2620 1146596 1068904 36.48 434944 1110972 16 19:23:01 137096 0 595228 31.64 2620 1146600 1068904 36.48 430608 1115952 16 19:24:01 138056 0 594264 31.58 2620 1146604 1068712 36.47 429536 1115952 16 19:25:01 138492 0 593824 31.56 2620 1146608 1068676 36.47 429248 1115952 8 19:26:01 72760 0 619604 32.93 2620 1186560 1113788 38.01 442536 1167940 80 Average: 128951 0 598382 31.80 2620 1151590 1083191 36.97 432124 1122050 38 19:18:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:19:01 eth0 106.89 83.10 477.57 29.77 0.00 0.00 0.00 0.00 19:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:19:01 docker0 2.81 2.28 0.48 4.98 0.00 0.00 0.00 0.00 19:20:01 eth0 1.53 0.08 0.11 0.01 0.00 0.00 0.00 0.00 19:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:01 eth0 2.48 0.67 0.67 0.37 0.00 0.00 0.00 0.00 19:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 eth0 2.00 0.33 0.42 0.23 0.00 0.00 0.00 0.00 19:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 eth0 0.93 0.62 0.60 0.46 0.00 0.00 0.00 0.00 19:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 eth0 0.20 0.15 0.07 0.01 0.00 0.00 0.00 0.00 19:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 eth0 0.32 0.03 0.03 0.00 0.00 0.00 0.00 0.00 19:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 eth0 9.29 7.57 5.95 29.70 0.00 0.00 0.00 0.00 19:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 15.27 11.43 59.84 7.52 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 0.35 0.28 0.06 0.61 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) 05/01/21 _x86_64_ (4 CPU) 19:16:53 LINUX RESTART (4 CPU) 19:18:02 CPU %user %nice %system %iowait %steal %idle 19:19:01 all 4.08 0.00 3.48 1.23 6.76 84.46 19:19:01 0 4.03 0.00 3.51 1.71 7.31 83.44 19:19:01 1 3.38 0.00 3.03 0.51 6.73 86.35 19:19:01 2 4.84 0.00 3.80 1.17 6.44 83.74 19:19:01 3 4.08 0.00 3.57 1.52 6.55 84.29 19:20:01 all 0.12 0.00 0.08 0.00 0.07 99.73 19:20:01 0 0.02 0.00 0.02 0.00 0.07 99.90 19:20:01 1 0.37 0.00 0.08 0.00 0.08 99.47 19:20:01 2 0.08 0.00 0.13 0.00 0.10 99.68 19:20:01 3 0.02 0.00 0.08 0.00 0.02 99.88 19:21:01 all 0.16 0.00 0.04 0.00 0.07 99.73 19:21:01 0 0.03 0.00 0.03 0.00 0.03 99.90 19:21:01 1 0.10 0.00 0.05 0.00 0.07 99.78 19:21:01 2 0.45 0.00 0.07 0.00 0.13 99.35 19:21:01 3 0.07 0.00 0.00 0.00 0.05 99.88 19:22:01 all 0.14 0.00 0.04 0.00 0.19 99.63 19:22:01 0 0.05 0.00 0.02 0.00 0.08 99.85 19:22:01 1 0.02 0.00 0.02 0.00 0.17 99.80 19:22:01 2 0.37 0.00 0.07 0.00 0.27 99.30 19:22:01 3 0.13 0.00 0.07 0.00 0.25 99.55 19:23:01 all 0.14 0.00 0.16 0.00 0.16 99.55 19:23:01 0 0.02 0.00 0.15 0.00 0.13 99.70 19:23:01 1 0.08 0.00 0.12 0.00 0.13 99.67 19:23:01 2 0.42 0.00 0.13 0.00 0.22 99.23 19:23:01 3 0.03 0.00 0.23 0.00 0.15 99.58 19:24:01 all 0.14 0.00 0.03 0.00 0.05 99.78 19:24:01 0 0.02 0.00 0.02 0.00 0.05 99.92 19:24:01 1 0.03 0.00 0.05 0.00 0.07 99.85 19:24:01 2 0.48 0.00 0.03 0.00 0.08 99.40 19:24:01 3 0.03 0.00 0.02 0.00 0.02 99.93 19:25:01 all 0.15 0.00 0.02 0.00 0.05 99.78 19:25:01 0 0.03 0.00 0.02 0.00 0.07 99.88 19:25:01 1 0.03 0.00 0.02 0.00 0.08 99.87 19:25:01 2 0.52 0.00 0.02 0.00 0.02 99.45 19:25:01 3 0.02 0.00 0.02 0.00 0.03 99.93 19:26:01 all 1.02 0.00 0.37 1.88 1.15 95.58 19:26:01 0 0.33 0.00 0.21 0.26 1.21 97.98 19:26:01 1 1.27 0.00 0.48 2.83 1.37 94.04 19:26:01 2 1.43 0.00 0.42 2.58 0.88 94.69 19:26:01 3 1.06 0.00 0.35 1.85 1.15 95.59 Average: all 0.75 0.00 0.53 0.39 1.07 97.26 Average: 0 0.57 0.00 0.50 0.25 1.13 97.54 Average: 1 0.67 0.00 0.49 0.42 1.10 97.33 Average: 2 1.08 0.00 0.59 0.47 1.02 96.84 Average: 3 0.68 0.00 0.54 0.42 1.03 97.32