---> uname -a: Linux prd-centos7-docker-4c-2g-4564.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/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/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 ---> free -m: total used free shared buff/cache available Mem: 1837 811 146 0 879 961 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:4d:0f:d1 brd ff:ff:ff:ff:ff:ff inet 10.30.122.106/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85597sec preferred_lft 85597sec inet6 fe80::f816:3eff:fe4d:fd1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:bb:f0:5f:2c 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:bbff:fef0:5f2c/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) 05/11/21 _x86_64_ (4 CPU) 18:21:21 LINUX RESTART (4 CPU) 18:22:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:23:01 46.79 12.17 34.62 0.00 4406.69 2981.37 0.00 18:24:01 1.82 0.00 1.82 0.00 0.00 35.57 0.00 18:25:02 0.23 0.00 0.23 0.00 0.00 3.11 0.00 18:26:01 0.17 0.00 0.17 0.00 0.00 2.18 0.00 18:27:01 0.25 0.00 0.25 0.00 0.00 3.11 0.00 18:28:01 0.30 0.00 0.30 0.00 0.00 3.40 0.00 18:29:01 0.27 0.00 0.27 0.00 0.00 3.46 0.00 18:30:01 0.18 0.00 0.18 0.00 0.00 2.83 0.00 18:31:01 0.23 0.00 0.23 0.00 0.00 2.55 0.00 18:32:01 0.30 0.00 0.30 0.00 0.00 3.43 0.00 18:33:01 0.35 0.10 0.25 0.00 7.46 2.57 0.00 18:34:01 453.63 220.99 232.64 0.00 10362.64 64854.73 0.00 Average: 42.17 19.50 22.67 0.00 1234.76 5676.28 0.00 18:22:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:23:01 170756 0 605300 32.17 2620 1102868 1105336 37.72 409436 1103240 20 18:24:01 172204 0 603840 32.09 2620 1102880 1105236 37.72 411460 1100120 8 18:25:02 173628 0 602412 32.02 2620 1102884 1082560 36.95 412492 1098204 8 18:26:01 173156 0 602884 32.04 2620 1102884 1082632 36.95 426752 1084852 8 18:27:01 172008 0 604024 32.10 2620 1102892 1082536 36.95 419596 1093088 12 18:28:01 172632 0 603336 32.07 2620 1102956 1082452 36.94 431540 1080640 28 18:29:01 172676 0 603348 32.07 2620 1102900 1082452 36.94 431532 1080736 16 18:30:01 171428 0 604592 32.13 2620 1102904 1082596 36.95 432528 1080736 8 18:31:01 170872 0 605140 32.16 2620 1102912 1082584 36.95 432940 1080736 8 18:32:01 171448 0 604560 32.13 2620 1102916 1082536 36.95 432760 1080736 12 18:33:01 165608 0 610132 32.43 2620 1103184 1084096 37.00 437724 1080664 60 18:34:01 141188 0 747168 39.71 1680 991508 1109780 37.87 526596 886308 65444 Average: 168967 0 616395 32.76 2542 1093641 1088733 37.16 433780 1070838 5469 18:22:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:23:01 eth0 180.52 122.36 476.57 30.39 0.00 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 2.51 1.98 0.48 5.05 0.00 0.00 0.00 0.00 18:24:01 eth0 1.40 0.58 0.60 0.39 0.00 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:02 eth0 2.46 0.35 0.46 0.20 0.00 0.00 0.00 0.00 18:25:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 eth0 1.05 0.69 0.60 0.41 0.00 0.00 0.00 0.00 18:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 eth0 0.32 0.25 0.14 0.05 0.00 0.00 0.00 0.00 18:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:28:01 eth0 0.12 0.10 0.01 0.03 0.00 0.00 0.00 0.00 18:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:29:01 eth0 0.97 0.08 0.07 0.01 0.00 0.00 0.00 0.00 18:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 eth0 0.88 0.35 0.32 0.20 0.00 0.00 0.00 0.00 18:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:31:01 eth0 0.55 0.33 0.27 0.20 0.00 0.00 0.00 0.00 18:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:32:01 eth0 0.22 0.18 0.08 0.04 0.00 0.00 0.00 0.00 18:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:33:01 eth0 4.35 2.88 4.06 1.38 0.00 0.00 0.00 0.00 18:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:34:01 eth0 833.80 711.12 7657.46 93.80 0.00 0.00 0.00 0.00 18:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:34:01 docker0 61.87 64.13 5.18 384.25 0.00 0.00 0.00 0.00 Average: eth0 85.80 70.15 680.54 10.62 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 5.38 5.53 0.47 32.55 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) 05/11/21 _x86_64_ (4 CPU) 18:21:21 LINUX RESTART (4 CPU) 18:22:01 CPU %user %nice %system %iowait %steal %idle 18:23:01 all 3.65 0.00 2.31 1.43 0.07 92.54 18:23:01 0 3.84 0.00 2.42 0.37 0.05 93.32 18:23:01 1 3.79 0.00 2.37 1.70 0.07 92.08 18:23:01 2 3.20 0.00 2.22 2.20 0.10 92.28 18:23:01 3 3.77 0.00 2.22 1.46 0.05 92.50 18:24:01 all 0.19 0.00 0.04 0.00 0.00 99.77 18:24:01 0 0.07 0.00 0.03 0.00 0.00 99.90 18:24:01 1 0.25 0.00 0.03 0.00 0.00 99.72 18:24:01 2 0.42 0.00 0.07 0.00 0.02 99.50 18:24:01 3 0.02 0.00 0.02 0.00 0.00 99.97 18:25:02 all 0.17 0.00 0.05 0.00 0.00 99.79 18:25:02 0 0.03 0.00 0.03 0.00 0.00 99.93 18:25:02 1 0.30 0.00 0.05 0.00 0.00 99.65 18:25:02 2 0.30 0.00 0.07 0.00 0.00 99.63 18:25:02 3 0.03 0.00 0.03 0.00 0.00 99.93 18:26:01 all 0.16 0.00 0.05 0.00 0.00 99.79 18:26:01 0 0.03 0.00 0.08 0.00 0.00 99.88 18:26:01 1 0.03 0.00 0.05 0.00 0.00 99.92 18:26:01 2 0.12 0.00 0.02 0.00 0.00 99.86 18:26:01 3 0.44 0.00 0.05 0.00 0.02 99.49 18:27:01 all 0.13 0.00 0.07 0.00 0.05 99.75 18:27:01 0 0.05 0.00 0.05 0.00 0.05 99.85 18:27:01 1 0.05 0.00 0.07 0.00 0.02 99.87 18:27:01 2 0.07 0.00 0.07 0.00 0.07 99.80 18:27:01 3 0.37 0.00 0.08 0.00 0.08 99.47 18:28:01 all 0.15 0.00 0.07 0.00 0.02 99.75 18:28:01 0 0.03 0.00 0.22 0.00 0.02 99.73 18:28:01 1 0.03 0.00 0.02 0.00 0.00 99.95 18:28:01 2 0.05 0.00 0.05 0.00 0.02 99.88 18:28:01 3 0.50 0.00 0.02 0.00 0.03 99.45 18:29:01 all 0.17 0.00 0.05 0.00 0.00 99.78 18:29:01 0 0.05 0.00 0.08 0.00 0.00 99.87 18:29:01 1 0.02 0.00 0.03 0.00 0.00 99.95 18:29:01 2 0.08 0.00 0.05 0.00 0.02 99.85 18:29:01 3 0.52 0.00 0.02 0.00 0.00 99.47 18:30:01 all 0.16 0.00 0.04 0.00 0.02 99.78 18:30:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:30:01 1 0.03 0.00 0.05 0.00 0.03 99.88 18:30:01 2 0.05 0.00 0.05 0.00 0.02 99.88 18:30:01 3 0.52 0.00 0.03 0.00 0.03 99.42 18:31:01 all 0.13 0.00 0.04 0.00 0.00 99.83 18:31:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:31:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:31:01 2 0.08 0.00 0.03 0.02 0.00 99.87 18:31:01 3 0.35 0.00 0.07 0.00 0.00 99.58 18:32:01 all 0.07 0.00 0.03 0.00 0.00 99.89 18:32:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:32:01 1 0.02 0.00 0.02 0.00 0.00 99.97 18:32:01 2 0.08 0.00 0.05 0.00 0.00 99.87 18:32:01 3 0.17 0.00 0.05 0.00 0.02 99.77 18:33:01 all 0.34 0.00 0.27 0.00 0.02 99.37 18:33:01 0 0.68 0.00 0.33 0.00 0.02 98.97 18:33:01 1 0.22 0.00 0.13 0.00 0.02 99.63 18:33:01 2 0.28 0.00 0.25 0.00 0.02 99.45 18:33:01 3 0.18 0.00 0.37 0.00 0.02 99.43 18:33:01 CPU %user %nice %system %iowait %steal %idle 18:34:01 all 19.03 0.00 13.89 5.15 0.60 61.33 18:34:01 0 18.30 0.00 14.23 5.06 0.65 61.76 18:34:01 1 18.94 0.00 12.15 5.90 0.61 62.40 18:34:01 2 18.25 0.00 15.82 4.55 0.56 60.82 18:34:01 3 20.64 0.00 13.37 5.09 0.56 60.34 Average: all 1.96 0.00 1.36 0.53 0.06 96.09 Average: 0 1.86 0.00 1.41 0.43 0.06 96.24 Average: 1 1.91 0.00 1.21 0.61 0.06 96.21 Average: 2 1.85 0.00 1.51 0.55 0.07 96.03 Average: 3 2.22 0.00 1.31 0.53 0.07 95.88