---> uname -a: Linux prd-centos7-docker-4c-2g-9388.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: 2933.442 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 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% /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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 778 153 0 905 996 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:67:4f:5c brd ff:ff:ff:ff:ff:ff inet 10.30.123.74/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85855sec preferred_lft 85855sec inet6 fe80::f816:3eff:fe67:4f5c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:28:c5:f4:ad 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::42:28ff:fec5:f4ad/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) 10/28/20 _x86_64_ (4 CPU) 03:04:16 LINUX RESTART (4 CPU) 03:05:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:06:01 42.82 10.62 32.20 0.00 4438.76 2488.96 0.00 03:07:01 1.87 0.00 1.87 0.00 0.00 36.37 0.00 03:08:01 0.15 0.00 0.15 0.00 0.00 1.77 0.00 03:09:01 0.28 0.00 0.28 0.00 0.00 4.05 0.00 03:10:01 0.20 0.00 0.20 0.00 0.00 2.78 0.00 03:11:01 0.35 0.00 0.35 0.00 0.00 4.83 0.00 03:12:01 230.33 126.37 103.96 0.00 7118.89 33540.75 0.00 03:13:01 214.08 76.13 137.95 0.00 4496.27 32683.46 0.00 Average: 61.28 26.65 34.63 0.00 2007.41 8598.86 0.00 03:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:06:01 149396 0 570836 30.34 2620 1158704 1102412 37.62 438328 1133324 20 03:07:01 148416 0 571808 30.39 2620 1158712 1102092 37.61 440484 1132516 8 03:08:01 149008 0 571212 30.36 2620 1158716 1089760 37.19 440884 1131800 20 03:09:01 148804 0 571416 30.37 2620 1158716 1083616 36.98 442448 1130912 16 03:10:01 145968 0 574244 30.52 2620 1158724 1083616 36.98 458900 1117164 16 03:11:01 146728 0 573480 30.48 2620 1158728 1077424 36.77 458512 1116936 12 03:12:01 180436 0 645332 34.30 2596 1053192 1268768 43.30 551504 954176 20 03:13:01 241536 0 728744 38.73 1512 909764 1201364 41.00 601296 750000 32 Average: 163786 0 600884 31.94 2478 1114407 1126132 38.43 479044 1058354 18 03:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:06:01 eth0 145.35 109.77 475.42 47.86 0.00 0.00 0.00 0.00 03:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:06:01 docker0 2.13 1.73 0.38 3.77 0.00 0.00 0.00 0.00 03:07:01 eth0 5.16 1.02 1.46 0.84 0.00 0.00 0.00 0.00 03:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 eth0 4.03 0.93 1.28 0.74 0.00 0.00 0.00 0.00 03:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 eth0 2.82 0.58 0.71 0.43 0.00 0.00 0.00 0.00 03:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 eth0 1.28 0.68 0.63 0.44 0.00 0.00 0.00 0.00 03:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 eth0 0.25 0.08 0.07 0.03 0.00 0.00 0.00 0.00 03:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 eth0 498.70 444.45 4130.96 46.69 0.00 0.00 0.00 0.00 03:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:12:01 docker0 34.64 32.53 3.61 160.02 0.00 0.00 0.00 0.00 03:13:01 vethb072763 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 03:13:01 eth0 461.63 411.27 3474.86 148.94 0.00 0.00 0.00 0.00 03:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:13:01 docker0 25.32 27.13 1.49 202.40 0.00 0.00 0.00 0.00 Average: vethb072763 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 139.96 121.14 1011.07 30.76 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 7.76 7.68 0.68 45.79 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) 10/28/20 _x86_64_ (4 CPU) 03:04:16 LINUX RESTART (4 CPU) 03:05:01 CPU %user %nice %system %iowait %steal %idle 03:06:01 all 3.79 0.00 1.82 1.25 0.02 93.12 03:06:01 0 4.00 0.00 2.04 0.15 0.02 93.79 03:06:01 1 3.60 0.00 1.76 1.51 0.02 93.12 03:06:01 2 3.63 0.00 1.54 0.37 0.02 94.44 03:06:01 3 3.94 0.00 1.96 2.96 0.03 91.11 03:07:01 all 0.18 0.00 0.05 0.00 0.00 99.78 03:07:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:07:01 1 0.07 0.00 0.05 0.00 0.00 99.88 03:07:01 2 0.07 0.00 0.02 0.00 0.00 99.92 03:07:01 3 0.53 0.00 0.07 0.00 0.00 99.40 03:08:01 all 0.19 0.00 0.04 0.00 0.00 99.78 03:08:01 0 0.07 0.00 0.05 0.00 0.00 99.88 03:08:01 1 0.08 0.00 0.05 0.00 0.00 99.87 03:08:01 2 0.05 0.00 0.03 0.00 0.00 99.92 03:08:01 3 0.55 0.00 0.02 0.00 0.00 99.43 03:09:01 all 0.15 0.00 0.03 0.00 0.00 99.82 03:09:01 0 0.03 0.00 0.05 0.00 0.00 99.92 03:09:01 1 0.03 0.00 0.03 0.00 0.00 99.93 03:09:01 2 0.02 0.00 0.00 0.00 0.00 99.98 03:09:01 3 0.53 0.00 0.02 0.00 0.00 99.45 03:10:01 all 0.16 0.00 0.05 0.00 0.00 99.78 03:10:01 0 0.07 0.00 0.05 0.00 0.00 99.88 03:10:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:10:01 2 0.02 0.00 0.02 0.00 0.00 99.97 03:10:01 3 0.53 0.00 0.13 0.00 0.00 99.33 03:11:01 all 0.15 0.00 0.03 0.00 0.00 99.82 03:11:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:11:01 1 0.02 0.00 0.02 0.00 0.00 99.97 03:11:01 2 0.03 0.00 0.02 0.00 0.00 99.95 03:11:01 3 0.53 0.00 0.03 0.00 0.00 99.43 03:12:01 all 9.06 0.00 5.27 2.16 0.03 83.49 03:12:01 0 8.86 0.00 5.17 2.57 0.02 83.39 03:12:01 1 8.86 0.00 5.44 2.22 0.03 83.45 03:12:01 2 8.44 0.00 4.89 2.76 0.02 83.90 03:12:01 3 10.07 0.00 5.60 1.09 0.03 83.21 03:13:01 all 11.78 0.00 7.76 2.95 0.04 77.47 03:13:01 0 10.72 0.00 7.94 0.82 0.03 80.48 03:13:01 1 10.65 0.00 7.02 4.55 0.03 77.74 03:13:01 2 14.12 0.00 8.50 4.05 0.07 73.25 03:13:01 3 11.63 0.00 7.58 2.36 0.03 78.39 Average: all 3.15 0.00 1.86 0.79 0.01 94.20 Average: 0 2.94 0.00 1.90 0.44 0.01 94.72 Average: 1 2.89 0.00 1.78 1.02 0.01 94.30 Average: 2 3.26 0.00 1.85 0.89 0.01 93.99 Average: 3 3.51 0.00 1.90 0.80 0.01 93.78