---> uname -a: Linux prd-centos7-docker-4c-2g-4794.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 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% /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-240 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-240@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 725 93 0 1018 1006 Swap: 1023 1 1022 ---> 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:d0:5a:a8 brd ff:ff:ff:ff:ff:ff inet 10.30.123.207/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85571sec preferred_lft 85571sec inet6 fe80::f816:3eff:fed0:5aa8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:62:a6:5a:07 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::42:62ff:fea6:5a07/64 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) 05/12/21 _x86_64_ (4 CPU) 19:57:48 LINUX RESTART (4 CPU) 19:59:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:00:01 2.20 0.00 2.20 0.00 0.00 49.95 0.00 20:01:01 0.43 0.02 0.42 0.00 0.13 6.48 0.00 20:02:01 0.43 0.08 0.35 0.00 1.60 5.58 0.00 20:03:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 20:04:01 0.23 0.00 0.23 0.00 0.00 3.18 0.00 20:05:02 0.22 0.00 0.22 0.00 0.00 2.65 0.00 20:06:01 0.30 0.00 0.30 0.00 0.00 3.68 0.00 20:07:01 0.20 0.00 0.20 0.00 0.00 2.98 0.00 20:08:01 0.18 0.00 0.18 0.00 0.00 2.18 0.00 20:09:01 0.18 0.00 0.18 0.00 0.00 2.31 0.00 20:10:01 0.18 0.00 0.18 0.00 0.00 2.28 0.00 20:11:01 0.27 0.00 0.27 0.00 0.00 2.93 0.00 Average: 0.42 0.01 0.41 0.00 0.14 7.26 0.00 19:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:01 156212 0 596764 31.72 2620 1125948 1104620 37.70 422592 1104132 12 20:01:01 152572 0 600396 31.91 2620 1125956 1096860 37.43 439820 1090760 16 20:02:01 151128 0 601716 31.98 2620 1126080 1094896 37.37 444704 1087556 8 20:03:01 150964 0 601876 31.99 2620 1126084 1088680 37.15 445928 1086608 8 20:04:01 147876 0 604960 32.15 2620 1126088 1088752 37.16 442132 1093340 8 20:05:02 147564 0 605264 32.17 2620 1126096 1088788 37.16 442480 1093340 16 20:06:01 147248 0 605580 32.19 2620 1126096 1088800 37.16 442844 1093340 8 20:07:01 144376 0 608444 32.34 2620 1126104 1088872 37.16 445516 1093344 8 20:08:01 143236 0 609580 32.40 2620 1126108 1088896 37.16 447020 1093340 8 20:09:01 141156 0 611656 32.51 2620 1126112 1088824 37.16 449080 1093340 12 20:10:01 139884 0 612924 32.58 2620 1126116 1088848 37.16 450480 1093340 8 20:11:01 138308 0 614496 32.66 2620 1126120 1088872 37.16 451888 1093336 8 Average: 146710 0 606138 32.21 2620 1126076 1091309 37.24 443707 1092981 10 19:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:00:01 eth0 2.18 0.42 0.60 0.06 0.00 0.00 0.00 0.00 20:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:01:01 eth0 2.08 0.55 0.64 0.37 0.00 0.00 0.00 0.00 20:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 eth0 0.57 0.28 0.27 0.23 0.00 0.00 0.00 0.00 20:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 eth0 0.20 0.08 0.01 0.01 0.00 0.00 0.00 0.00 20:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 eth0 0.90 0.22 0.20 0.07 0.00 0.00 0.00 0.00 20:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:05:02 eth0 1.18 0.38 0.33 0.21 0.00 0.00 0.00 0.00 20:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:06:01 eth0 1.51 0.36 0.36 0.21 0.00 0.00 0.00 0.00 20:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:07:01 eth0 3.15 0.70 0.96 0.58 0.00 0.00 0.00 0.00 20:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 eth0 4.25 0.57 0.83 0.37 0.00 0.00 0.00 0.00 20:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 eth0 5.40 1.10 1.53 0.85 0.00 0.00 0.00 0.00 20:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 eth0 3.45 0.52 0.77 0.41 0.00 0.00 0.00 0.00 20:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 eth0 3.63 0.65 0.74 0.40 0.00 0.00 0.00 0.00 20:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.38 0.49 0.60 0.31 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) 05/12/21 _x86_64_ (4 CPU) 19:57:48 LINUX RESTART (4 CPU) 19:59:01 CPU %user %nice %system %iowait %steal %idle 20:00:01 all 0.17 0.00 0.07 0.00 0.00 99.76 20:00:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:00:01 1 0.10 0.00 0.08 0.00 0.00 99.82 20:00:01 2 0.12 0.00 0.08 0.00 0.02 99.78 20:00:01 3 0.42 0.00 0.07 0.00 0.00 99.52 20:01:01 all 0.07 0.00 0.07 0.00 0.00 99.85 20:01:01 0 0.02 0.00 0.05 0.00 0.00 99.93 20:01:01 1 0.07 0.00 0.08 0.02 0.00 99.83 20:01:01 2 0.12 0.00 0.08 0.00 0.00 99.80 20:01:01 3 0.08 0.00 0.07 0.00 0.00 99.85 20:02:01 all 0.12 0.00 0.06 0.00 0.00 99.82 20:02:01 0 0.05 0.00 0.05 0.00 0.00 99.90 20:02:01 1 0.03 0.00 0.05 0.00 0.00 99.92 20:02:01 2 0.10 0.00 0.07 0.00 0.00 99.83 20:02:01 3 0.28 0.00 0.07 0.00 0.00 99.65 20:03:01 all 0.17 0.00 0.05 0.00 0.01 99.77 20:03:01 0 0.00 0.00 0.02 0.00 0.00 99.98 20:03:01 1 0.07 0.00 0.08 0.00 0.02 99.83 20:03:01 2 0.07 0.00 0.05 0.00 0.02 99.87 20:03:01 3 0.53 0.00 0.03 0.00 0.02 99.42 20:04:01 all 0.23 0.00 0.26 0.00 0.05 99.46 20:04:01 0 0.12 0.00 0.33 0.00 0.07 99.48 20:04:01 1 0.12 0.00 0.22 0.00 0.02 99.65 20:04:01 2 0.12 0.00 0.30 0.00 0.05 99.53 20:04:01 3 0.57 0.00 0.20 0.00 0.07 99.17 20:05:02 all 0.17 0.00 0.04 0.00 0.00 99.79 20:05:02 0 0.05 0.00 0.02 0.00 0.00 99.93 20:05:02 1 0.05 0.00 0.07 0.00 0.00 99.88 20:05:02 2 0.07 0.00 0.05 0.00 0.00 99.88 20:05:02 3 0.52 0.00 0.03 0.00 0.00 99.45 20:06:01 all 0.19 0.00 0.04 0.00 0.00 99.77 20:06:01 0 0.05 0.00 0.02 0.00 0.00 99.93 20:06:01 1 0.05 0.00 0.05 0.00 0.00 99.90 20:06:01 2 0.14 0.00 0.07 0.00 0.00 99.80 20:06:01 3 0.53 0.00 0.02 0.00 0.00 99.46 20:07:01 all 0.18 0.00 0.04 0.00 0.01 99.78 20:07:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:07:01 1 0.03 0.00 0.03 0.00 0.00 99.93 20:07:01 2 0.08 0.00 0.05 0.00 0.02 99.85 20:07:01 3 0.55 0.00 0.05 0.00 0.02 99.38 20:08:01 all 0.18 0.00 0.03 0.00 0.00 99.80 20:08:01 0 0.05 0.00 0.03 0.00 0.00 99.92 20:08:01 1 0.03 0.00 0.02 0.00 0.00 99.95 20:08:01 2 0.08 0.00 0.05 0.00 0.00 99.87 20:08:01 3 0.53 0.00 0.02 0.00 0.00 99.45 20:09:01 all 0.14 0.00 0.07 0.00 0.01 99.78 20:09:01 0 0.03 0.00 0.05 0.00 0.02 99.90 20:09:01 1 0.05 0.00 0.07 0.00 0.00 99.88 20:09:01 2 0.08 0.00 0.07 0.00 0.02 99.83 20:09:01 3 0.40 0.00 0.10 0.00 0.00 99.50 20:10:01 all 0.09 0.00 0.04 0.00 0.00 99.87 20:10:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:10:01 1 0.18 0.00 0.03 0.00 0.00 99.78 20:10:01 2 0.03 0.00 0.03 0.00 0.00 99.93 20:10:01 3 0.10 0.00 0.07 0.00 0.00 99.83 20:10:01 CPU %user %nice %system %iowait %steal %idle 20:11:01 all 0.15 0.00 0.04 0.00 0.03 99.79 20:11:01 0 0.03 0.00 0.03 0.00 0.02 99.92 20:11:01 1 0.03 0.00 0.03 0.00 0.03 99.90 20:11:01 2 0.07 0.00 0.05 0.00 0.02 99.87 20:11:01 3 0.45 0.00 0.03 0.00 0.03 99.48 Average: all 0.15 0.00 0.07 0.00 0.01 99.77 Average: 0 0.04 0.00 0.06 0.00 0.01 99.89 Average: 1 0.07 0.00 0.07 0.00 0.01 99.86 Average: 2 0.09 0.00 0.08 0.00 0.01 99.82 Average: 3 0.41 0.00 0.06 0.00 0.01 99.51