---> uname -a: Linux prd-centos7-docker-4c-2g-25572.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 8.5G 41.4G 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 41.4G 17% /facter-os /dev/vda1 50.0G 8.5G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/auth.log /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.5G 41.4G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/sa-host /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 836 148 0 852 935 Swap: 1023 2 1021 ---> 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:36:ec:d0 brd ff:ff:ff:ff:ff:ff inet 10.30.122.78/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85883sec preferred_lft 85883sec inet6 fe80::f816:3eff:fe36:ecd0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:91:66:78:fe 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::42:91ff:fe66:78fe/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) 02/08/21 _x86_64_ (4 CPU) 16:05:12 LINUX RESTART (4 CPU) 16:06:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:07:02 29.94 11.14 18.81 0.00 4371.24 2952.61 0.00 16:08:01 1.93 0.00 1.93 0.00 0.00 35.63 0.00 16:09:01 0.28 0.00 0.28 0.00 0.00 3.35 0.00 16:10:01 0.25 0.00 0.25 0.00 0.00 3.28 0.00 16:11:01 0.17 0.00 0.17 0.00 0.00 2.60 0.00 16:12:01 219.19 132.83 86.36 0.00 6660.50 33241.89 0.00 16:13:01 257.76 108.08 149.68 0.00 5304.64 32863.18 0.00 Average: 73.02 36.12 36.89 0.00 2340.81 9903.35 0.00 16:06:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:07:02 147964 0 632668 33.62 2620 1098292 1115640 38.07 451252 1084156 20 16:08:01 151900 0 628724 33.42 2620 1098300 1089364 37.18 450820 1081340 8 16:09:01 151884 0 628736 33.42 2620 1098304 1089432 37.18 462380 1070104 8 16:10:01 151136 0 629484 33.46 2620 1098304 1089292 37.18 463504 1069548 12 16:11:01 150264 0 630324 33.50 2620 1098336 1089448 37.18 471568 1062436 24 16:12:01 123572 0 748696 39.79 2596 1006680 1251788 42.72 523036 985296 52 16:13:01 77968 0 837728 44.52 1492 964356 1315012 44.88 613244 850756 3664 Average: 136384 0 676623 35.96 2455 1066082 1148568 39.20 490829 1029091 541 16:06:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:07:02 eth0 78.21 63.15 342.58 37.61 0.00 0.00 0.00 0.00 16:07:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:02 docker0 2.05 1.56 0.39 4.24 0.00 0.00 0.00 0.00 16:08:01 eth0 3.95 1.63 3.10 0.11 0.00 0.00 0.00 0.00 16:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 eth0 1.35 0.60 0.58 0.40 0.00 0.00 0.00 0.00 16:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 eth0 0.07 0.05 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 eth0 1.22 0.38 0.45 0.23 0.00 0.00 0.00 0.00 16:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 eth0 420.95 367.65 4078.25 32.27 0.00 0.00 0.00 0.00 16:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:12:01 veth7c05f98 0.00 0.08 0.00 0.01 0.00 0.00 0.00 0.00 16:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 eth0 436.12 374.16 3441.34 72.72 0.00 0.00 0.00 0.00 16:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:13:01 veth5b1aa83 11.23 13.32 0.76 57.40 0.00 0.00 0.00 0.00 16:13:01 docker0 42.87 44.72 3.57 216.04 0.00 0.00 0.00 0.00 Average: eth0 134.97 115.74 1127.35 20.54 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: veth5b1aa83 1.61 1.91 0.11 8.23 0.00 0.00 0.00 0.00 Average: docker0 6.44 6.63 0.57 31.57 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) 02/08/21 _x86_64_ (4 CPU) 16:05:12 LINUX RESTART (4 CPU) 16:06:01 CPU %user %nice %system %iowait %steal %idle 16:07:02 all 2.66 0.00 1.95 0.44 0.10 94.86 16:07:02 0 2.27 0.00 2.13 0.08 0.05 95.47 16:07:02 1 2.60 0.00 1.81 0.13 0.08 95.37 16:07:02 2 3.02 0.00 2.13 1.48 0.15 93.22 16:07:02 3 2.74 0.00 1.71 0.05 0.13 95.37 16:08:01 all 0.17 0.00 0.05 0.00 0.00 99.78 16:08:01 0 0.07 0.00 0.05 0.00 0.00 99.88 16:08:01 1 0.07 0.00 0.03 0.00 0.02 99.88 16:08:01 2 0.46 0.00 0.03 0.00 0.00 99.51 16:08:01 3 0.07 0.00 0.08 0.00 0.00 99.85 16:09:01 all 0.16 0.00 0.07 0.00 0.01 99.76 16:09:01 0 0.03 0.00 0.05 0.00 0.00 99.92 16:09:01 1 0.30 0.00 0.07 0.00 0.00 99.63 16:09:01 2 0.07 0.00 0.03 0.00 0.02 99.88 16:09:01 3 0.25 0.00 0.12 0.00 0.02 99.62 16:10:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:10:01 0 0.05 0.00 0.03 0.00 0.02 99.90 16:10:01 1 0.53 0.00 0.03 0.00 0.00 99.43 16:10:01 2 0.03 0.00 0.05 0.00 0.00 99.92 16:10:01 3 0.02 0.00 0.05 0.00 0.00 99.93 16:11:01 all 0.12 0.00 0.13 0.00 0.02 99.73 16:11:01 0 0.07 0.00 0.10 0.00 0.00 99.83 16:11:01 1 0.08 0.00 0.10 0.00 0.00 99.82 16:11:01 2 0.08 0.00 0.13 0.00 0.05 99.73 16:11:01 3 0.23 0.00 0.20 0.00 0.02 99.55 16:12:01 all 8.52 0.00 6.01 1.17 0.43 83.87 16:12:01 0 8.57 0.00 6.28 0.79 0.50 83.87 16:12:01 1 9.53 0.00 5.93 0.94 0.37 83.23 16:12:01 2 8.23 0.00 6.30 1.76 0.43 83.28 16:12:01 3 7.73 0.00 5.54 1.20 0.41 85.11 16:13:01 all 10.83 0.00 9.20 3.44 1.28 75.24 16:13:01 0 10.89 0.00 9.93 3.54 1.23 74.41 16:13:01 1 10.37 0.00 9.28 2.64 1.37 76.34 16:13:01 2 11.33 0.00 8.29 4.03 1.35 75.00 16:13:01 3 10.75 0.00 9.31 3.54 1.18 75.22 Average: all 3.18 0.00 2.45 0.71 0.26 93.41 Average: 0 3.08 0.00 2.60 0.62 0.25 93.45 Average: 1 3.31 0.00 2.43 0.52 0.26 93.49 Average: 2 3.27 0.00 2.39 1.02 0.28 93.05 Average: 3 3.06 0.00 2.39 0.67 0.25 93.64