---> uname -a: Linux prd-centos7-docker-4c-2g-15394.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 8.6G 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 8.6G 41.4G 17% /facter-os /dev/vda1 50.0G 8.6G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.6G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.6G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.6G 41.4G 17% /var/log/auth.log /dev/vda1 50.0G 8.6G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.6G 41.4G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.6G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 8.6G 41.4G 17% /var/log/sa-host /dev/vda1 50.0G 8.6G 41.4G 17% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 832 137 0 867 939 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:98:91:9d brd ff:ff:ff:ff:ff:ff inet 10.30.123.178/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85870sec preferred_lft 85870sec inet6 fe80::f816:3eff:fe98:919d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:99:5d:3e:2b 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::42:99ff:fe5d:3e2b/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) 12/10/20 _x86_64_ (4 CPU) 15:41:31 LINUX RESTART (4 CPU) 15:42:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:43:01 59.00 23.27 35.74 0.00 5895.51 3567.19 0.00 15:44:01 1.90 0.00 1.90 0.00 0.00 38.00 0.00 15:45:01 0.23 0.00 0.23 0.00 0.00 3.46 0.00 15:46:01 0.27 0.00 0.27 0.00 0.00 3.13 0.00 15:47:01 0.17 0.00 0.17 0.00 0.00 1.95 0.00 15:48:01 0.37 0.00 0.37 0.00 0.00 4.83 0.00 15:49:02 342.68 197.65 145.02 0.00 9897.24 36446.96 0.00 15:50:01 208.45 81.23 127.22 0.00 4447.94 33178.30 0.00 Average: 76.40 37.70 38.70 0.00 2527.34 9109.95 0.00 15:42:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:43:01 155040 0 616344 32.76 2620 1107540 1105324 37.72 420548 1107756 132 15:44:01 159576 0 611812 32.52 2620 1107536 1078152 36.80 419296 1105384 16 15:45:01 158132 0 613252 32.59 2620 1107540 1078392 36.80 427868 1098132 12 15:46:01 156852 0 614532 32.66 2620 1107540 1078560 36.81 429760 1097600 12 15:47:01 158432 0 612944 32.58 2620 1107548 1078284 36.80 434684 1091172 8 15:48:01 158288 0 613084 32.58 2620 1107552 1078368 36.80 435256 1091172 8 15:49:02 342144 0 669128 35.56 2596 867676 1145656 39.10 557616 737172 20 15:50:01 198492 0 806704 42.87 1504 874844 1443084 49.25 605516 735632 40 Average: 185870 0 644725 34.27 2478 1048472 1135728 38.76 466318 1008002 31 15:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:43:01 eth0 604.84 413.38 1036.64 99.01 0.00 0.00 0.00 0.00 15:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 docker0 2.16 1.75 0.41 3.98 0.00 0.00 0.00 0.00 15:44:01 eth0 0.75 0.08 0.06 0.04 0.00 0.00 0.00 0.00 15:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 eth0 3.75 1.90 3.30 0.28 0.00 0.00 0.00 0.00 15:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 eth0 0.52 0.30 0.27 0.23 0.00 0.00 0.00 0.00 15:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 15:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 eth0 0.72 0.22 0.18 0.07 0.00 0.00 0.00 0.00 15:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:02 eth0 495.81 440.20 4356.80 44.87 0.00 0.00 0.00 0.00 15:49:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:49:02 docker0 35.66 34.41 3.27 159.67 0.00 0.00 0.00 0.00 15:50:01 eth0 513.47 445.21 3509.72 146.51 0.00 0.00 0.00 0.00 15:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 veth5c53bbc 2.03 1.54 0.32 0.29 0.00 0.00 0.00 0.00 15:50:01 docker0 22.65 29.27 1.46 188.75 0.00 0.00 0.00 0.00 Average: eth0 201.93 162.15 1108.93 36.16 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: veth5c53bbc 0.25 0.19 0.04 0.04 0.00 0.00 0.00 0.00 Average: docker0 7.53 8.14 0.64 43.77 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) 12/10/20 _x86_64_ (4 CPU) 15:41:31 LINUX RESTART (4 CPU) 15:42:01 CPU %user %nice %system %iowait %steal %idle 15:43:01 all 11.55 0.00 3.47 1.33 0.02 83.62 15:43:01 0 10.18 0.00 4.39 2.31 0.02 83.11 15:43:01 1 14.13 0.00 2.78 0.66 0.02 82.42 15:43:01 2 10.82 0.00 3.50 1.97 0.02 83.69 15:43:01 3 11.08 0.00 3.22 0.39 0.03 85.28 15:44:01 all 0.16 0.00 0.05 0.00 0.00 99.79 15:44:01 0 0.52 0.00 0.03 0.00 0.00 99.45 15:44:01 1 0.07 0.00 0.07 0.00 0.00 99.87 15:44:01 2 0.03 0.00 0.05 0.00 0.00 99.92 15:44:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:45:01 all 0.19 0.00 0.14 0.00 0.00 99.67 15:45:01 0 0.17 0.00 0.13 0.00 0.00 99.70 15:45:01 1 0.10 0.00 0.17 0.00 0.00 99.73 15:45:01 2 0.38 0.00 0.15 0.00 0.00 99.47 15:45:01 3 0.12 0.00 0.10 0.00 0.00 99.78 15:46:01 all 0.25 0.00 0.03 0.00 0.00 99.72 15:46:01 0 0.30 0.00 0.03 0.00 0.00 99.67 15:46:01 1 0.00 0.00 0.03 0.00 0.00 99.97 15:46:01 2 0.37 0.00 0.03 0.00 0.00 99.60 15:46:01 3 0.32 0.00 0.02 0.00 0.00 99.67 15:47:01 all 0.17 0.00 0.07 0.00 0.00 99.76 15:47:01 0 0.53 0.00 0.03 0.00 0.00 99.43 15:47:01 1 0.05 0.00 0.10 0.00 0.00 99.85 15:47:01 2 0.07 0.00 0.08 0.00 0.00 99.85 15:47:01 3 0.03 0.00 0.05 0.00 0.00 99.92 15:48:01 all 0.16 0.00 0.04 0.00 0.00 99.80 15:48:01 0 0.52 0.00 0.03 0.00 0.00 99.45 15:48:01 1 0.00 0.00 0.05 0.00 0.00 99.95 15:48:01 2 0.07 0.00 0.05 0.00 0.00 99.88 15:48:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:49:02 all 11.36 0.00 8.12 4.51 0.05 75.96 15:49:02 0 11.71 0.00 8.07 4.22 0.05 75.95 15:49:02 1 11.22 0.00 8.06 6.44 0.03 74.24 15:49:02 2 11.11 0.00 8.33 3.48 0.05 77.04 15:49:02 3 11.41 0.00 8.01 3.91 0.07 76.60 15:50:01 all 11.99 0.00 8.91 2.99 0.14 75.96 15:50:01 0 14.13 0.00 8.35 1.53 0.14 75.85 15:50:01 1 11.07 0.00 9.19 3.74 0.09 75.92 15:50:01 2 10.82 0.00 9.45 2.99 0.19 76.55 15:50:01 3 11.96 0.00 8.64 3.71 0.16 75.53 Average: all 4.41 0.00 2.55 1.08 0.03 91.93 Average: 0 4.67 0.00 2.58 0.99 0.03 91.73 Average: 1 4.51 0.00 2.51 1.33 0.02 91.64 Average: 2 4.15 0.00 2.66 1.04 0.03 92.13 Average: 3 4.30 0.00 2.46 0.98 0.03 92.23