---> uname -a: Linux prd-centos7-docker-4c-2g-24894.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 8.5G 41.4G 17% / 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 8.5G 41.4G 17% /facter-os /dev/vda1 50.0G 8.5G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/secure /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/auth.log /dev/vda1 50.0G 8.5G 41.4G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/gexfoundry_device-mqtt-go_master /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/gexfoundry_device-mqtt-go_master@tmp /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 808 140 0 888 965 Swap: 1023 3 1020 ---> 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:7c:bf:b1 brd ff:ff:ff:ff:ff:ff inet 10.30.122.80/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85861sec preferred_lft 85861sec inet6 fe80::f816:3eff:fe7c:bfb1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:39:e1:bd:8c 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::42:39ff:fee1:bd8c/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) 02/04/21 _x86_64_ (4 CPU) 05:07:00 LINUX RESTART (4 CPU) 05:08:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:09:02 2.23 0.13 2.10 0.00 6.79 43.82 0.00 05:10:01 0.39 0.00 0.39 0.00 0.00 5.40 0.00 05:11:01 0.33 0.00 0.33 0.00 0.00 3.76 0.00 05:12:01 0.23 0.00 0.23 0.00 0.00 2.70 0.00 05:13:01 0.30 0.00 0.30 0.00 0.00 5.00 0.00 05:14:01 0.38 0.08 0.30 0.00 7.33 4.38 0.00 05:15:01 413.09 206.58 206.51 0.00 9706.15 60989.80 0.00 05:16:01 191.38 90.30 101.08 0.00 6966.77 26481.24 0.00 Average: 76.48 37.35 39.13 0.00 2097.85 11006.26 0.00 05:08:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:09:02 165484 0 559864 29.76 2620 1153576 1087316 37.11 413052 1103932 8 05:10:01 167764 0 557576 29.63 2620 1153584 1072924 36.62 412140 1103472 12 05:11:01 165644 0 559692 29.75 2620 1153588 1072948 36.62 418200 1099196 8 05:12:01 166868 0 558468 29.68 2620 1153588 1060684 36.20 419360 1097228 20 05:13:01 165604 0 559724 29.75 2620 1153596 1060820 36.20 426068 1092096 20 05:14:01 162776 0 562292 29.88 2620 1153856 1062176 36.25 427748 1092244 56 05:15:01 83372 0 812628 43.19 2252 983292 1489144 50.82 591488 873588 65496 05:16:01 185280 0 812724 43.19 1492 882048 1288628 43.98 560252 764768 68 Average: 157849 0 622871 33.10 2433 1098391 1149330 39.22 458538 1028316 8211 05:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:09:02 eth0 10.11 5.16 8.12 1.92 0.00 0.00 0.00 0.00 05:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:09:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 eth0 1.49 0.56 0.60 0.40 0.00 0.00 0.00 0.00 05:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:01 eth0 1.45 0.38 0.37 0.21 0.00 0.00 0.00 0.00 05:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 eth0 1.05 0.35 0.32 0.20 0.00 0.00 0.00 0.00 05:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 eth0 1.63 0.67 0.77 0.46 0.00 0.00 0.00 0.00 05:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 eth0 5.30 2.93 4.51 1.58 0.00 0.00 0.00 0.00 05:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 eth0 885.42 781.65 7455.17 86.34 0.00 0.00 0.00 0.00 05:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 docker0 41.53 42.16 3.66 197.94 0.00 0.00 0.00 0.00 05:16:01 eth0 325.79 258.81 2437.40 85.58 0.00 0.00 0.00 0.00 05:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 docker0 24.74 34.73 1.68 216.77 0.00 0.00 0.00 0.00 Average: eth0 154.92 132.09 1245.76 22.21 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 8.33 9.67 0.67 52.13 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) 02/04/21 _x86_64_ (4 CPU) 05:07:00 LINUX RESTART (4 CPU) 05:08:01 CPU %user %nice %system %iowait %steal %idle 05:09:02 all 0.46 0.00 0.10 0.00 0.01 99.43 05:09:02 0 0.73 0.00 0.08 0.00 0.00 99.18 05:09:02 1 0.42 0.00 0.10 0.00 0.02 99.47 05:09:02 2 0.25 0.00 0.12 0.00 0.02 99.62 05:09:02 3 0.43 0.00 0.10 0.02 0.00 99.45 05:10:01 all 0.15 0.00 0.03 0.00 0.00 99.82 05:10:01 0 0.46 0.00 0.05 0.00 0.00 99.49 05:10:01 1 0.05 0.00 0.03 0.00 0.00 99.92 05:10:01 2 0.05 0.00 0.02 0.00 0.00 99.93 05:10:01 3 0.03 0.00 0.02 0.00 0.00 99.95 05:11:01 all 0.14 0.00 0.06 0.00 0.01 99.79 05:11:01 0 0.45 0.00 0.07 0.00 0.00 99.48 05:11:01 1 0.05 0.00 0.03 0.00 0.00 99.92 05:11:01 2 0.03 0.00 0.07 0.00 0.02 99.88 05:11:01 3 0.03 0.00 0.07 0.00 0.02 99.88 05:12:01 all 0.17 0.00 0.08 0.00 0.00 99.75 05:12:01 0 0.43 0.00 0.08 0.00 0.02 99.47 05:12:01 1 0.13 0.00 0.10 0.00 0.00 99.77 05:12:01 2 0.07 0.00 0.07 0.00 0.00 99.87 05:12:01 3 0.03 0.00 0.05 0.00 0.00 99.92 05:13:01 all 0.18 0.00 0.13 0.00 0.00 99.68 05:13:01 0 0.50 0.00 0.07 0.00 0.00 99.43 05:13:01 1 0.07 0.00 0.08 0.00 0.00 99.85 05:13:01 2 0.08 0.00 0.17 0.00 0.00 99.75 05:13:01 3 0.08 0.00 0.22 0.00 0.00 99.70 05:14:01 all 0.31 0.00 0.25 0.00 0.00 99.42 05:14:01 0 0.75 0.00 0.42 0.00 0.00 98.83 05:14:01 1 0.17 0.00 0.15 0.02 0.00 99.67 05:14:01 2 0.18 0.00 0.23 0.00 0.00 99.58 05:14:01 3 0.15 0.00 0.22 0.00 0.02 99.62 05:15:01 all 17.32 0.00 12.86 3.92 0.14 65.76 05:15:01 0 16.87 0.00 13.30 2.10 0.14 67.59 05:15:01 1 16.44 0.00 11.68 6.07 0.12 65.69 05:15:01 2 18.45 0.00 13.95 4.88 0.19 62.54 05:15:01 3 17.51 0.00 12.51 2.61 0.10 67.27 05:16:01 all 9.34 0.00 7.33 4.14 0.07 79.12 05:16:01 0 7.73 0.00 7.53 5.55 0.08 79.11 05:16:01 1 8.27 0.00 6.83 3.27 0.10 81.53 05:16:01 2 8.38 0.00 7.64 5.95 0.05 77.98 05:16:01 3 12.99 0.00 7.34 1.78 0.03 77.85 Average: all 3.45 0.00 2.56 0.99 0.03 92.97 Average: 0 3.43 0.00 2.65 0.94 0.03 92.96 Average: 1 3.15 0.00 2.34 1.15 0.03 93.34 Average: 2 3.38 0.00 2.74 1.34 0.03 92.51 Average: 3 3.83 0.00 2.51 0.54 0.02 93.09