---> uname -a: Linux prd-centos7-docker-4c-2g-33828.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% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/sa-host /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 ---> free -m: total used free shared buff/cache available Mem: 1837 828 148 0 859 943 Swap: 1023 2 1021 ---> 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:85:08:98 brd ff:ff:ff:ff:ff:ff inet 10.30.122.170/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85727sec preferred_lft 85727sec inet6 fe80::f816:3eff:fe85:898/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:e4:18:66:c0 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:e4ff:fe18:66c0/64 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) 04/13/21 _x86_64_ (4 CPU) 04:09:02 LINUX RESTART (4 CPU) 04:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:11:01 5.06 0.38 4.68 0.00 32.77 142.09 0.00 04:12:01 1.92 0.00 1.92 0.00 0.00 36.21 0.00 04:13:01 0.30 0.00 0.30 0.00 0.00 4.33 0.00 04:14:01 0.23 0.00 0.23 0.00 0.00 3.61 0.00 04:15:01 0.32 0.00 0.32 0.00 0.00 5.18 0.00 04:16:01 0.40 0.00 0.40 0.00 0.00 6.53 0.00 04:17:01 0.35 0.00 0.35 0.00 0.00 5.05 0.00 04:18:01 0.25 0.00 0.25 0.00 0.00 4.28 0.00 04:19:01 286.85 168.77 118.08 0.00 8328.02 36705.13 0.00 04:20:01 238.32 105.64 132.67 0.00 7906.13 33520.01 0.00 Average: 53.42 27.49 25.93 0.00 1627.42 7046.37 0.00 04:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:11:01 172776 0 566348 30.10 2620 1139800 1094556 37.36 395164 1114380 24 04:12:01 175440 0 563676 29.96 2620 1139808 1077068 36.76 394220 1113500 8 04:13:01 172948 0 566164 30.09 2620 1139812 1077200 36.76 402188 1108184 20 04:14:01 173988 0 565120 30.03 2620 1139816 1077068 36.76 401332 1108096 20 04:15:01 172152 0 566952 30.13 2620 1139820 1077152 36.76 400880 1110616 16 04:16:01 170320 0 568780 30.23 2620 1139824 1077068 36.76 412468 1101056 12 04:17:01 170360 0 568736 30.23 2620 1139828 1077068 36.76 412224 1101056 20 04:18:01 170352 0 568740 30.23 2620 1139832 1077068 36.76 412480 1101056 8 04:19:01 123304 0 698156 37.11 2596 1057488 1291872 44.09 556036 926880 8 04:20:01 141768 0 791344 42.06 1492 946940 1147384 39.16 599212 801984 92 Average: 164341 0 602402 32.02 2505 1112297 1107350 37.79 438620 1058681 23 04:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:11:01 eth0 8.39 6.01 8.87 3.00 0.00 0.00 0.00 0.00 04:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 eth0 0.82 0.08 0.07 0.01 0.00 0.00 0.00 0.00 04:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 eth0 2.48 1.25 1.64 0.44 0.00 0.00 0.00 0.00 04:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 eth0 0.15 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 eth0 0.23 0.15 0.14 0.07 0.00 0.00 0.00 0.00 04:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 eth0 0.10 0.05 0.01 0.00 0.00 0.00 0.00 0.00 04:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 04:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 eth0 451.61 401.28 4343.85 37.66 0.00 0.00 0.00 0.00 04:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:19:01 docker0 50.72 52.66 4.43 259.41 0.00 0.00 0.00 0.00 04:20:01 eth0 580.78 465.73 3513.86 103.07 0.00 0.00 0.00 0.00 04:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 docker0 70.92 124.27 3.88 250.28 0.00 0.00 0.00 0.00 Average: eth0 104.52 87.52 787.19 14.43 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 12.17 17.70 0.83 50.99 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) 04/13/21 _x86_64_ (4 CPU) 04:09:02 LINUX RESTART (4 CPU) 04:10:01 CPU %user %nice %system %iowait %steal %idle 04:11:01 all 0.45 0.00 0.21 0.03 0.00 99.31 04:11:01 0 0.35 0.00 0.18 0.02 0.00 99.45 04:11:01 1 0.40 0.00 0.23 0.00 0.00 99.37 04:11:01 2 0.40 0.00 0.25 0.08 0.00 99.27 04:11:01 3 0.65 0.00 0.17 0.03 0.00 99.15 04:12:01 all 0.15 0.00 0.03 0.00 0.00 99.83 04:12:01 0 0.48 0.00 0.02 0.00 0.00 99.50 04:12:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:12:01 2 0.05 0.00 0.03 0.00 0.00 99.92 04:12:01 3 0.02 0.00 0.03 0.00 0.00 99.95 04:13:01 all 0.18 0.00 0.04 0.00 0.00 99.77 04:13:01 0 0.38 0.00 0.05 0.00 0.00 99.57 04:13:01 1 0.08 0.00 0.05 0.00 0.00 99.87 04:13:01 2 0.22 0.00 0.03 0.00 0.02 99.73 04:13:01 3 0.03 0.00 0.03 0.00 0.00 99.93 04:14:01 all 0.15 0.00 0.03 0.00 0.00 99.82 04:14:01 0 0.03 0.00 0.03 0.00 0.00 99.93 04:14:01 1 0.02 0.00 0.05 0.00 0.00 99.93 04:14:01 2 0.52 0.00 0.03 0.00 0.00 99.45 04:14:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:15:01 all 0.17 0.00 0.04 0.00 0.00 99.80 04:15:01 0 0.05 0.00 0.02 0.00 0.00 99.93 04:15:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:15:01 2 0.53 0.00 0.03 0.00 0.00 99.43 04:15:01 3 0.03 0.00 0.07 0.00 0.00 99.90 04:16:01 all 0.15 0.00 0.06 0.00 0.00 99.79 04:16:01 0 0.02 0.00 0.02 0.00 0.00 99.97 04:16:01 1 0.03 0.00 0.18 0.00 0.00 99.78 04:16:01 2 0.53 0.00 0.02 0.00 0.00 99.45 04:16:01 3 0.02 0.00 0.03 0.00 0.00 99.95 04:17:01 all 0.16 0.00 0.02 0.00 0.00 99.82 04:17:01 0 0.03 0.00 0.02 0.00 0.00 99.95 04:17:01 1 0.05 0.00 0.03 0.00 0.00 99.92 04:17:01 2 0.52 0.00 0.02 0.00 0.00 99.47 04:17:01 3 0.03 0.00 0.02 0.00 0.00 99.95 04:18:01 all 0.14 0.00 0.03 0.00 0.00 99.83 04:18:01 0 0.00 0.00 0.02 0.00 0.00 99.98 04:18:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:18:01 2 0.50 0.00 0.03 0.00 0.00 99.47 04:18:01 3 0.02 0.00 0.02 0.00 0.02 99.95 04:19:01 all 9.46 0.00 5.54 3.76 0.03 81.21 04:19:01 0 8.87 0.00 5.76 3.72 0.03 81.62 04:19:01 1 8.87 0.00 5.48 3.98 0.05 81.61 04:19:01 2 9.82 0.00 5.37 4.46 0.02 80.33 04:19:01 3 10.29 0.00 5.53 2.88 0.02 81.28 04:20:01 all 12.32 0.00 7.94 3.93 0.03 75.78 04:20:01 0 10.87 0.00 7.70 3.41 0.03 78.00 04:20:01 1 16.32 0.00 7.89 4.17 0.03 71.59 04:20:01 2 11.27 0.00 8.45 4.63 0.03 75.61 04:20:01 3 10.82 0.00 7.74 3.49 0.03 77.91 Average: all 2.30 0.00 1.38 0.76 0.01 95.55 Average: 0 2.08 0.00 1.36 0.70 0.01 95.86 Average: 1 2.56 0.00 1.39 0.81 0.01 95.24 Average: 2 2.41 0.00 1.41 0.91 0.01 95.26 Average: 3 2.17 0.00 1.35 0.63 0.01 95.84