---> uname -a: Linux prd-centos7-docker-4c-2g-14128.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: 2933.436 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /facter-os /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-191@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log /dev/vda1 50.0G 7.3G 42.7G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-191 ---> free -m: total used free shared buff/cache available Mem: 1837 724 113 0 999 1007 Swap: 1023 0 1023 ---> 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:9a:1a:f6 brd ff:ff:ff:ff:ff:ff inet 10.30.123.201/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85931sec preferred_lft 85931sec inet6 fe80::f816:3eff:fe9a:1af6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:73:c4:ba:79 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::42:73ff:fec4:ba79/64 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) 12/02/20 _x86_64_ (4 CPU) 04:10:51 LINUX RESTART (4 CPU) 04:12:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:13:01 2.47 0.00 2.47 0.00 0.00 50.65 0.00 04:14:01 0.38 0.00 0.38 0.00 0.00 5.01 0.00 04:15:01 0.22 0.00 0.22 0.00 0.00 1.90 0.00 04:16:01 0.27 0.00 0.27 0.00 0.00 3.33 0.00 04:17:01 0.28 0.00 0.28 0.00 0.00 3.73 0.00 04:18:01 0.38 0.00 0.38 0.00 0.00 5.01 0.00 Average: 0.67 0.00 0.67 0.00 0.00 11.61 0.00 04:12:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:13:01 159776 0 617060 32.80 2620 1102088 1089156 37.17 416048 1108572 16 04:14:01 157516 0 619312 32.92 2620 1102096 1089156 37.17 430564 1095836 8 04:15:01 156956 0 619868 32.94 2620 1102100 1089360 37.18 431672 1095832 8 04:16:01 155876 0 620948 33.00 2620 1102100 1089156 37.17 434680 1093584 8 04:17:01 155480 0 621336 33.02 2620 1102108 1089204 37.17 434408 1094236 8 04:18:01 155456 0 621356 33.02 2620 1102112 1089312 37.18 434996 1094236 12 Average: 156843 0 619980 32.95 2620 1102101 1089224 37.17 430395 1097049 10 04:12:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:13:01 eth0 0.10 0.10 0.01 0.02 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 0.67 0.10 0.06 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 0.52 0.48 0.27 0.21 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 0.12 0.10 0.01 0.01 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 0.72 0.15 0.13 0.07 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 0.57 0.45 0.33 0.21 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 Average: eth0 0.45 0.23 0.13 0.09 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 0.00 0.00 0.00 0.00 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) 12/02/20 _x86_64_ (4 CPU) 04:10:51 LINUX RESTART (4 CPU) 04:12:01 CPU %user %nice %system %iowait %steal %idle 04:13:01 all 0.14 0.00 0.05 0.00 0.00 99.81 04:13:01 0 0.08 0.00 0.05 0.00 0.00 99.87 04:13:01 1 0.03 0.00 0.05 0.00 0.00 99.92 04:13:01 2 0.37 0.00 0.03 0.00 0.02 99.58 04:13:01 3 0.07 0.00 0.07 0.00 0.00 99.87 04:14:01 all 0.16 0.00 0.09 0.00 0.00 99.75 04:14:01 0 0.02 0.00 0.05 0.00 0.02 99.92 04:14:01 1 0.05 0.00 0.17 0.00 0.00 99.78 04:14:01 2 0.52 0.00 0.05 0.00 0.00 99.43 04:14:01 3 0.07 0.00 0.08 0.00 0.00 99.85 04:15:01 all 0.14 0.00 0.04 0.00 0.00 99.82 04:15:01 0 0.07 0.00 0.05 0.00 0.00 99.88 04:15:01 1 0.02 0.00 0.02 0.00 0.00 99.97 04:15:01 2 0.43 0.00 0.07 0.00 0.00 99.50 04:15:01 3 0.03 0.00 0.03 0.00 0.00 99.93 04:16:01 all 0.05 0.00 0.05 0.00 0.00 99.90 04:16:01 0 0.05 0.00 0.03 0.00 0.00 99.92 04:16:01 1 0.03 0.00 0.03 0.00 0.00 99.93 04:16:01 2 0.03 0.00 0.07 0.00 0.00 99.90 04:16:01 3 0.07 0.00 0.05 0.00 0.02 99.87 04:17:01 all 0.04 0.00 0.10 0.00 0.01 99.85 04:17:01 0 0.03 0.00 0.05 0.00 0.00 99.92 04:17:01 1 0.03 0.00 0.25 0.00 0.02 99.70 04:17:01 2 0.05 0.00 0.05 0.00 0.00 99.90 04:17:01 3 0.05 0.00 0.05 0.00 0.02 99.88 04:18:01 all 0.15 0.00 0.04 0.00 0.00 99.82 04:18:01 0 0.05 0.00 0.05 0.00 0.00 99.90 04:18:01 1 0.00 0.00 0.02 0.00 0.00 99.98 04:18:01 2 0.05 0.00 0.05 0.00 0.00 99.90 04:18:01 3 0.48 0.00 0.03 0.00 0.00 99.48 Average: all 0.11 0.00 0.06 0.00 0.00 99.82 Average: 0 0.05 0.00 0.05 0.00 0.00 99.90 Average: 1 0.03 0.00 0.09 0.00 0.00 99.88 Average: 2 0.24 0.00 0.05 0.00 0.00 99.70 Average: 3 0.13 0.00 0.05 0.00 0.01 99.81