---> uname -a: Linux prd-centos7-docker-4c-2g-4143.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/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-237 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-237@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 ---> free -m: total used free shared buff/cache available Mem: 1837 715 98 0 1024 1017 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:0f:8e:6a brd ff:ff:ff:ff:ff:ff inet 10.30.122.227/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85889sec preferred_lft 85889sec inet6 fe80::f816:3eff:fe0f:8e6a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:1e:5a:82:2c 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::42:1eff:fe5a:822c/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) 05/10/21 _x86_64_ (4 CPU) 18:02:23 LINUX RESTART (4 CPU) 18:03:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:04:01 50.62 15.01 35.60 0.00 4575.10 3121.70 0.00 18:05:01 0.68 0.02 0.67 0.00 0.53 13.34 0.00 18:06:01 0.22 0.00 0.22 0.00 0.00 2.05 0.00 18:07:01 0.27 0.00 0.27 0.00 0.00 3.46 0.00 18:08:01 0.20 0.00 0.20 0.00 0.00 3.03 0.00 18:09:01 0.33 0.00 0.33 0.00 0.00 4.83 0.00 18:10:01 0.23 0.00 0.23 0.00 0.00 3.10 0.00 Average: 7.51 2.15 5.36 0.00 653.88 450.36 0.00 18:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:04:01 146320 0 599204 31.85 2620 1133400 1125372 38.41 421628 1114036 132 18:05:01 150204 0 595312 31.64 2620 1133408 1101284 37.58 424532 1108092 8 18:06:01 148040 0 597468 31.75 2620 1133416 1101392 37.59 422020 1112980 12 18:07:01 148476 0 597032 31.73 2620 1133416 1101320 37.59 422172 1112708 20 18:08:01 146796 0 598704 31.82 2620 1133424 1101368 37.59 421972 1115156 20 18:09:01 147880 0 597616 31.76 2620 1133428 1087920 37.13 420668 1114712 20 18:10:01 146136 0 599356 31.85 2620 1133432 1088252 37.14 423200 1114712 20 Average: 147693 0 597813 31.77 2620 1133418 1100987 37.57 422313 1113199 33 18:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:04:01 eth0 223.39 151.41 569.27 46.64 0.00 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 docker0 2.23 1.55 0.46 4.94 0.00 0.00 0.00 0.00 18:05:01 eth0 2.98 0.47 0.57 0.19 0.00 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 3.60 1.08 1.13 0.64 0.00 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 eth0 3.58 0.60 0.79 0.37 0.00 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 eth0 1.77 1.13 0.94 0.70 0.00 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 1.78 0.07 0.15 0.01 0.00 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 2.73 0.72 0.73 0.35 0.00 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 34.27 22.22 81.97 6.99 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 0.32 0.22 0.07 0.71 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) 05/10/21 _x86_64_ (4 CPU) 18:02:23 LINUX RESTART (4 CPU) 18:03:01 CPU %user %nice %system %iowait %steal %idle 18:04:01 all 5.06 0.00 2.55 1.27 0.08 91.03 18:04:01 0 5.08 0.00 2.70 0.27 0.10 91.85 18:04:01 1 5.08 0.00 2.27 0.18 0.07 92.40 18:04:01 2 5.40 0.00 2.69 0.25 0.07 91.59 18:04:01 3 4.68 0.00 2.54 4.38 0.10 88.29 18:05:01 all 0.15 0.00 0.06 0.00 0.01 99.78 18:05:01 0 0.07 0.00 0.05 0.00 0.02 99.87 18:05:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:05:01 2 0.42 0.00 0.08 0.00 0.02 99.48 18:05:01 3 0.05 0.00 0.03 0.00 0.00 99.92 18:06:01 all 0.18 0.00 0.08 0.00 0.08 99.67 18:06:01 0 0.07 0.00 0.12 0.00 0.03 99.78 18:06:01 1 0.07 0.00 0.07 0.00 0.10 99.77 18:06:01 2 0.53 0.00 0.05 0.00 0.07 99.35 18:06:01 3 0.05 0.00 0.07 0.00 0.10 99.78 18:07:01 all 0.18 0.00 0.03 0.00 0.03 99.77 18:07:01 0 0.47 0.00 0.02 0.00 0.02 99.50 18:07:01 1 0.07 0.00 0.03 0.00 0.03 99.87 18:07:01 2 0.03 0.00 0.03 0.00 0.03 99.90 18:07:01 3 0.13 0.00 0.03 0.00 0.02 99.82 18:08:01 all 0.15 0.00 0.10 0.00 0.09 99.66 18:08:01 0 0.37 0.00 0.07 0.00 0.07 99.50 18:08:01 1 0.05 0.00 0.12 0.00 0.07 99.77 18:08:01 2 0.08 0.00 0.10 0.00 0.08 99.73 18:08:01 3 0.10 0.00 0.13 0.00 0.13 99.63 18:09:01 all 0.16 0.00 0.04 0.00 0.01 99.79 18:09:01 0 0.52 0.00 0.03 0.00 0.02 99.43 18:09:01 1 0.05 0.00 0.03 0.00 0.02 99.90 18:09:01 2 0.02 0.00 0.03 0.00 0.00 99.95 18:09:01 3 0.07 0.00 0.05 0.00 0.02 99.87 18:10:01 all 0.20 0.00 0.03 0.00 0.07 99.70 18:10:01 0 0.47 0.00 0.03 0.00 0.07 99.43 18:10:01 1 0.12 0.00 0.03 0.00 0.02 99.83 18:10:01 2 0.10 0.00 0.03 0.00 0.12 99.75 18:10:01 3 0.10 0.00 0.03 0.00 0.08 99.78 Average: all 0.86 0.00 0.41 0.18 0.05 98.50 Average: 0 1.00 0.00 0.43 0.04 0.05 98.49 Average: 1 0.78 0.00 0.37 0.03 0.04 98.78 Average: 2 0.93 0.00 0.43 0.04 0.05 98.55 Average: 3 0.73 0.00 0.41 0.62 0.06 98.17