---> uname -a: Linux prd-centos7-docker-4c-2g-12574.vexxhost.local 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 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 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 41.5G 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 41.5G 17% /facter-os /dev/vda1 50.0G 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/secure /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/auth.log /dev/vda1 50.0G 8.5G 41.5G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 794 126 0 916 987 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:a9:a9:20 brd ff:ff:ff:ff:ff:ff inet 10.30.123.5/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85761sec preferred_lft 85761sec inet6 fe80::f816:3eff:fea9:a920/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:4f:e9:9e:61 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::42:4fff:fee9:9e61/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 11/18/20 _x86_64_ (4 CPU) 19:35:07 LINUX RESTART (4 CPU) 19:36:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:37:01 30.46 10.85 19.61 0.00 4463.91 2110.50 0.00 19:38:01 1.58 0.00 1.58 0.00 0.00 22.83 0.00 19:39:01 0.30 0.00 0.30 0.00 0.00 4.05 0.00 19:40:01 0.25 0.00 0.25 0.00 0.00 3.45 0.00 19:41:01 0.15 0.00 0.15 0.00 0.00 2.10 0.00 19:42:01 0.38 0.02 0.37 0.00 0.13 4.86 0.00 19:43:01 0.23 0.00 0.23 0.00 0.00 3.13 0.00 19:44:02 188.29 107.35 80.94 0.00 4422.29 30756.24 0.00 19:45:01 240.42 100.39 140.03 0.00 5975.12 28226.20 0.00 Average: 51.05 24.18 26.87 0.00 1644.71 6760.54 0.00 19:36:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:37:01 171812 0 581052 30.88 2620 1126072 1148860 39.21 408288 1141152 12 19:38:01 179932 0 572924 30.45 2620 1126080 1081548 36.91 406084 1136708 20 19:39:01 179880 0 572968 30.45 2620 1126088 1081608 36.91 406328 1136708 8 19:40:01 177868 0 574980 30.56 2620 1126088 1081800 36.92 408764 1136092 8 19:41:01 177844 0 574996 30.56 2620 1126096 1081824 36.92 415896 1129028 8 19:42:01 179964 0 572868 30.45 2620 1126104 1081536 36.91 414392 1129024 16 19:43:01 179620 0 573208 30.46 2620 1126108 1081656 36.91 414920 1129024 8 19:44:02 67496 0 707004 37.58 2620 1104436 1506304 51.41 546600 1055168 53584 19:45:01 169608 0 741016 39.38 1500 969432 1365472 46.60 567052 862104 91532 Average: 164892 0 607891 32.31 2496 1106278 1167845 39.86 443147 1095001 16133 19:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:37:01 eth0 89.26 69.97 349.58 32.63 0.00 0.00 0.00 0.00 19:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:01 docker0 2.33 1.83 0.41 3.89 0.00 0.00 0.00 0.00 19:38:01 eth0 4.58 0.40 0.66 0.18 0.00 0.00 0.00 0.00 19:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:39:01 eth0 5.48 0.92 1.39 0.80 0.00 0.00 0.00 0.00 19:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 eth0 2.28 1.08 1.12 0.79 0.00 0.00 0.00 0.00 19:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:41:01 eth0 0.77 0.48 0.44 0.27 0.00 0.00 0.00 0.00 19:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:42:01 eth0 0.15 0.07 0.01 0.01 0.00 0.00 0.00 0.00 19:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:43:01 eth0 0.58 0.32 0.28 0.20 0.00 0.00 0.00 0.00 19:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:44:02 eth0 469.95 419.56 4076.18 33.97 0.00 0.00 0.00 0.00 19:44:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:44:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:45:01 eth0 503.38 442.43 3540.74 89.38 0.00 0.00 0.00 0.00 19:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:45:01 docker0 36.80 35.92 3.35 161.68 0.00 0.00 0.00 0.00 Average: eth0 119.02 103.40 881.66 17.47 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 4.29 4.14 0.41 18.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 11/18/20 _x86_64_ (4 CPU) 19:35:07 LINUX RESTART (4 CPU) 19:36:01 CPU %user %nice %system %iowait %steal %idle 19:37:01 all 3.28 0.00 2.27 0.54 0.67 93.24 19:37:01 0 3.60 0.00 2.99 0.39 0.60 92.42 19:37:01 1 3.30 0.00 2.10 1.31 0.55 92.74 19:37:01 2 3.87 0.00 2.28 0.37 0.82 92.66 19:37:01 3 2.37 0.00 1.71 0.10 0.69 95.14 19:38:01 all 0.15 0.00 0.05 0.00 0.01 99.79 19:38:01 0 0.02 0.00 0.03 0.00 0.02 99.93 19:38:01 1 0.07 0.00 0.03 0.00 0.00 99.90 19:38:01 2 0.43 0.00 0.07 0.00 0.02 99.48 19:38:01 3 0.08 0.00 0.07 0.00 0.02 99.83 19:39:01 all 0.18 0.00 0.04 0.00 0.02 99.76 19:39:01 0 0.07 0.00 0.03 0.00 0.05 99.85 19:39:01 1 0.43 0.00 0.05 0.00 0.00 99.52 19:39:01 2 0.13 0.00 0.03 0.00 0.02 99.82 19:39:01 3 0.08 0.00 0.05 0.00 0.02 99.85 19:40:01 all 0.18 0.00 0.04 0.00 0.01 99.77 19:40:01 0 0.12 0.00 0.03 0.00 0.00 99.85 19:40:01 1 0.52 0.00 0.02 0.00 0.02 99.45 19:40:01 2 0.05 0.00 0.07 0.00 0.02 99.87 19:40:01 3 0.03 0.00 0.05 0.00 0.02 99.90 19:41:01 all 0.15 0.00 0.09 0.00 0.03 99.73 19:41:01 0 0.07 0.00 0.05 0.00 0.07 99.82 19:41:01 1 0.20 0.00 0.23 0.00 0.02 99.55 19:41:01 2 0.25 0.00 0.05 0.00 0.02 99.68 19:41:01 3 0.08 0.00 0.02 0.00 0.03 99.87 19:42:01 all 0.08 0.00 0.05 0.00 0.00 99.87 19:42:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:42:01 1 0.02 0.00 0.07 0.00 0.00 99.92 19:42:01 2 0.25 0.00 0.08 0.00 0.02 99.65 19:42:01 3 0.02 0.00 0.05 0.00 0.00 99.93 19:43:01 all 0.16 0.00 0.02 0.00 0.00 99.82 19:43:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:43:01 1 0.07 0.00 0.03 0.00 0.00 99.90 19:43:01 2 0.53 0.00 0.02 0.00 0.00 99.45 19:43:01 3 0.02 0.00 0.02 0.00 0.00 99.97 19:44:02 all 7.62 0.00 5.83 1.18 0.32 85.04 19:44:02 0 7.61 0.00 5.74 0.84 0.36 85.44 19:44:02 1 7.20 0.00 6.68 1.46 0.34 84.32 19:44:02 2 7.74 0.00 5.59 1.62 0.29 84.77 19:44:02 3 7.93 0.00 5.32 0.78 0.31 85.65 19:45:01 all 12.45 0.00 9.86 2.97 0.65 74.07 19:45:01 0 12.63 0.00 10.74 3.19 0.58 72.85 19:45:01 1 11.87 0.00 9.92 3.34 0.61 74.25 19:45:01 2 13.40 0.00 9.09 3.31 0.70 73.50 19:45:01 3 11.90 0.00 9.69 2.02 0.70 75.68 Average: all 2.63 0.00 1.97 0.50 0.19 94.71 Average: 0 2.60 0.00 2.12 0.47 0.18 94.62 Average: 1 2.57 0.00 2.07 0.66 0.17 94.54 Average: 2 2.90 0.00 1.87 0.57 0.21 94.45 Average: 3 2.43 0.00 1.83 0.31 0.19 95.23