---> uname -a: Linux prd-centos7-docker-4c-2g-716.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: 2933.442 BogoMIPS: 5866.88 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% /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 /dev/vda1 50.0G 8.5G 41.4G 17% /run/cloud-init/result.json ---> free -m: total used free shared buff/cache available Mem: 1837 822 145 0 868 949 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:dc:12:e8 brd ff:ff:ff:ff:ff:ff inet 10.30.123.68/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85694sec preferred_lft 85694sec inet6 fe80::f816:3eff:fedc:12e8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:8b:e1:49:df 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::42:8bff:fee1:49df/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) 04/19/21 _x86_64_ (4 CPU) 06:06:07 LINUX RESTART (4 CPU) 06:07:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:08:02 15.92 4.46 11.46 0.00 1032.15 740.08 0.00 06:09:01 0.86 0.00 0.86 0.00 0.00 18.32 0.00 06:10:01 0.30 0.00 0.30 0.00 0.00 4.03 0.00 06:11:01 0.22 0.00 0.22 0.00 0.00 2.96 0.00 06:12:01 0.17 0.00 0.17 0.00 0.00 1.68 0.00 06:13:01 0.35 0.00 0.35 0.00 0.00 5.10 0.00 06:14:01 0.27 0.00 0.27 0.00 0.00 3.15 0.00 06:15:01 0.27 0.00 0.27 0.00 0.00 3.46 0.00 06:16:01 31.09 4.25 26.84 0.00 727.85 15852.91 0.00 06:17:01 409.11 213.75 195.36 0.00 9828.93 47267.68 0.00 Average: 46.06 22.35 23.71 0.00 1163.95 6417.86 0.00 06:07:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:08:02 171816 0 604768 32.14 2620 1102340 1101408 37.59 424980 1087216 20 06:09:01 173152 0 603424 32.07 2620 1102348 1093160 37.31 424584 1086356 20 06:10:01 171152 0 605420 32.18 2620 1102352 1093184 37.31 426464 1086688 16 06:11:01 168904 0 607608 32.29 2620 1102412 1093208 37.31 436532 1078900 20 06:12:01 168284 0 608280 32.33 2620 1102360 1091116 37.24 433192 1083484 16 06:13:01 167388 0 609168 32.38 2620 1102368 1091116 37.24 441940 1075292 20 06:14:01 169316 0 607236 32.27 2620 1102372 1079712 36.85 440624 1074928 12 06:15:01 169424 0 607124 32.27 2620 1102376 1079712 36.85 440628 1074928 8 06:16:01 72596 0 731736 38.89 2620 1074592 1520172 51.88 613508 958428 68892 06:17:01 115720 0 792524 42.12 1492 971808 1304996 44.54 561620 869264 48056 Average: 154775 0 637729 33.89 2507 1086533 1154778 39.41 464407 1047548 11708 06:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:08:02 eth0 26.11 17.92 27.99 7.36 0.00 0.00 0.00 0.00 06:08:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:02 docker0 2.31 1.95 0.43 4.81 0.00 0.00 0.00 0.00 06:09:01 eth0 3.37 0.81 0.79 0.45 0.00 0.00 0.00 0.00 06:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 eth0 2.76 0.67 0.69 0.41 0.00 0.00 0.00 0.00 06:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:11:01 eth0 1.72 0.43 0.39 0.21 0.00 0.00 0.00 0.00 06:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:12:01 eth0 1.93 0.87 0.80 0.41 0.00 0.00 0.00 0.00 06:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:13:01 eth0 0.53 0.40 0.27 0.24 0.00 0.00 0.00 0.00 06:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 0.00 06:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:16:01 eth0 435.11 379.82 4063.95 59.76 0.00 0.00 0.00 0.00 06:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 eth0 475.08 408.39 3475.79 45.19 0.00 0.00 0.00 0.00 06:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:17:01 docker0 50.71 53.25 4.51 258.41 0.00 0.00 0.00 0.00 Average: eth0 95.06 81.28 760.14 11.45 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 5.33 5.55 0.50 26.44 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) 04/19/21 _x86_64_ (4 CPU) 06:06:07 LINUX RESTART (4 CPU) 06:07:01 CPU %user %nice %system %iowait %steal %idle 06:08:02 all 1.48 0.00 1.03 0.25 0.09 97.16 06:08:02 0 1.39 0.00 0.94 0.02 0.10 97.56 06:08:02 1 1.82 0.00 1.02 0.05 0.07 97.04 06:08:02 2 1.44 0.00 0.94 0.87 0.08 96.67 06:08:02 3 1.26 0.00 1.22 0.05 0.10 97.37 06:09:01 all 0.19 0.00 0.06 0.00 0.03 99.72 06:09:01 0 0.03 0.00 0.03 0.00 0.03 99.90 06:09:01 1 0.14 0.00 0.07 0.00 0.03 99.76 06:09:01 2 0.44 0.00 0.05 0.00 0.03 99.47 06:09:01 3 0.15 0.00 0.07 0.00 0.03 99.75 06:10:01 all 0.16 0.00 0.05 0.00 0.01 99.78 06:10:01 0 0.05 0.00 0.03 0.00 0.00 99.92 06:10:01 1 0.07 0.00 0.03 0.00 0.02 99.88 06:10:01 2 0.43 0.00 0.05 0.00 0.00 99.52 06:10:01 3 0.10 0.00 0.07 0.00 0.02 99.82 06:11:01 all 0.17 0.00 0.05 0.00 0.01 99.77 06:11:01 0 0.02 0.00 0.00 0.00 0.02 99.97 06:11:01 1 0.12 0.00 0.02 0.00 0.02 99.85 06:11:01 2 0.48 0.00 0.05 0.00 0.00 99.47 06:11:01 3 0.07 0.00 0.12 0.00 0.00 99.82 06:12:01 all 0.15 0.00 0.10 0.00 0.03 99.73 06:12:01 0 0.05 0.00 0.05 0.00 0.00 99.90 06:12:01 1 0.10 0.00 0.10 0.00 0.03 99.77 06:12:01 2 0.38 0.00 0.10 0.00 0.05 99.47 06:12:01 3 0.05 0.00 0.13 0.00 0.02 99.80 06:13:01 all 0.17 0.00 0.05 0.00 0.00 99.78 06:13:01 0 0.03 0.00 0.02 0.00 0.02 99.93 06:13:01 1 0.07 0.00 0.07 0.00 0.00 99.87 06:13:01 2 0.55 0.00 0.03 0.00 0.00 99.42 06:13:01 3 0.02 0.00 0.10 0.00 0.00 99.88 06:14:01 all 0.17 0.00 0.05 0.00 0.00 99.77 06:14:01 0 0.05 0.00 0.03 0.00 0.00 99.92 06:14:01 1 0.07 0.00 0.05 0.02 0.00 99.87 06:14:01 2 0.52 0.00 0.07 0.00 0.00 99.42 06:14:01 3 0.07 0.00 0.07 0.00 0.00 99.87 06:15:01 all 0.16 0.00 0.03 0.00 0.01 99.80 06:15:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:15:01 1 0.05 0.00 0.03 0.00 0.02 99.90 06:15:01 2 0.03 0.00 0.03 0.00 0.02 99.92 06:15:01 3 0.52 0.00 0.03 0.00 0.00 99.45 06:16:01 all 4.32 0.00 3.07 0.06 0.20 92.36 06:16:01 0 4.54 0.00 3.51 0.00 0.17 91.78 06:16:01 1 3.88 0.00 2.71 0.12 0.24 93.06 06:16:01 2 4.19 0.00 2.94 0.08 0.20 92.59 06:16:01 3 4.67 0.00 3.11 0.03 0.18 92.01 06:17:01 all 14.44 0.00 11.54 4.21 0.60 69.21 06:17:01 0 15.14 0.00 11.97 3.61 0.56 68.72 06:17:01 1 13.77 0.00 11.81 5.06 0.72 68.64 06:17:01 2 14.21 0.00 10.40 5.35 0.59 69.46 06:17:01 3 14.65 0.00 11.99 2.80 0.52 70.03 Average: all 2.10 0.00 1.56 0.44 0.10 95.81 Average: 0 2.08 0.00 1.62 0.35 0.09 95.87 Average: 1 1.97 0.00 1.56 0.51 0.11 95.85 Average: 2 2.23 0.00 1.44 0.62 0.10 95.62 Average: 3 2.10 0.00 1.65 0.28 0.09 95.88