---> uname -a: Linux prd-centos7-docker-4c-2g-1721.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 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% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-227 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-227@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 /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log ---> free -m: total used free shared buff/cache available Mem: 1837 712 109 0 1016 1020 Swap: 1023 0 1023 ---> 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:b7:72:42 brd ff:ff:ff:ff:ff:ff inet 10.30.122.188/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85862sec preferred_lft 85862sec inet6 fe80::f816:3eff:feb7:7242/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:e4:35:8d:d0 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:e4ff:fe35:8dd0/64 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) 04/26/21 _x86_64_ (4 CPU) 05:58:16 LINUX RESTART (4 CPU) 05:59:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:01 47.12 12.34 34.79 0.00 4500.58 3127.43 0.00 06:01:01 1.51 0.02 1.50 0.00 0.13 23.93 0.00 06:02:01 0.70 0.08 0.62 0.00 1.60 9.55 0.00 06:03:01 0.15 0.00 0.15 0.00 0.00 1.86 0.00 06:04:01 0.25 0.00 0.25 0.00 0.00 3.11 0.00 06:05:01 0.30 0.00 0.30 0.00 0.00 4.59 0.00 06:06:01 0.20 0.00 0.20 0.00 0.00 2.01 0.00 06:07:01 42.12 41.75 0.37 0.00 3759.83 5.48 0.00 Average: 11.47 6.76 4.71 0.00 1025.76 391.67 0.00 05:59:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:01 143172 0 596340 31.69 2620 1139412 1151420 39.30 420552 1117360 16 06:01:01 144600 0 594904 31.62 2620 1139420 1118580 38.18 422436 1114348 8 06:02:01 146132 0 593244 31.53 2620 1139548 1088728 37.16 432032 1104392 20 06:03:01 141920 0 597452 31.75 2620 1139552 1088752 37.16 436664 1104276 16 06:04:01 141088 0 598280 31.80 2620 1139556 1088692 37.16 436320 1105552 16 06:05:01 138128 0 601232 31.95 2620 1139564 1088848 37.16 439408 1105552 16 06:06:01 136532 0 602828 32.04 2620 1139564 1088860 37.16 440860 1105552 12 06:07:01 79616 0 645976 34.33 2620 1153332 1293784 44.15 467080 1136816 116 Average: 133898 0 603782 32.09 2620 1141244 1125958 38.43 436919 1111731 28 05:59:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:01 eth0 177.26 115.89 489.60 32.02 0.00 0.00 0.00 0.00 06:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 docker0 2.52 1.95 0.47 5.00 0.00 0.00 0.00 0.00 06:01:01 eth0 4.11 0.38 0.71 0.21 0.00 0.00 0.00 0.00 06:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 eth0 5.34 0.73 1.16 0.55 0.00 0.00 0.00 0.00 06:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 eth0 4.28 1.33 1.54 0.99 0.00 0.00 0.00 0.00 06:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 eth0 4.18 0.63 0.94 0.49 0.00 0.00 0.00 0.00 06:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 eth0 4.03 1.03 1.27 0.79 0.00 0.00 0.00 0.00 06:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 eth0 1.08 0.60 0.54 0.38 0.00 0.00 0.00 0.00 06:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 eth0 27.81 24.15 10.61 37.62 0.00 0.00 0.00 0.00 06:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 28.21 17.89 62.43 9.09 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 0.31 0.24 0.06 0.62 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) 04/26/21 _x86_64_ (4 CPU) 05:58:16 LINUX RESTART (4 CPU) 05:59:02 CPU %user %nice %system %iowait %steal %idle 06:00:01 all 4.23 0.00 2.69 1.15 0.47 91.46 06:00:01 0 4.23 0.00 2.93 0.36 0.39 92.08 06:00:01 1 3.94 0.00 3.00 1.26 0.56 91.24 06:00:01 2 4.53 0.00 2.22 0.41 0.39 92.45 06:00:01 3 4.21 0.00 2.61 2.56 0.55 90.08 06:01:01 all 0.18 0.00 0.05 0.00 0.04 99.73 06:01:01 0 0.48 0.00 0.07 0.00 0.03 99.42 06:01:01 1 0.12 0.00 0.05 0.00 0.05 99.78 06:01:01 2 0.05 0.00 0.03 0.00 0.03 99.88 06:01:01 3 0.05 0.00 0.07 0.00 0.05 99.83 06:02:01 all 0.20 0.00 0.09 0.00 0.20 99.50 06:02:01 0 0.10 0.00 0.05 0.00 0.15 99.70 06:02:01 1 0.17 0.00 0.10 0.02 0.30 99.42 06:02:01 2 0.07 0.00 0.15 0.00 0.12 99.67 06:02:01 3 0.47 0.00 0.05 0.00 0.25 99.23 06:03:01 all 0.20 0.00 0.05 0.00 0.01 99.74 06:03:01 0 0.60 0.00 0.05 0.00 0.02 99.33 06:03:01 1 0.07 0.00 0.05 0.00 0.02 99.87 06:03:01 2 0.05 0.00 0.03 0.00 0.02 99.90 06:03:01 3 0.10 0.00 0.05 0.00 0.00 99.85 06:04:01 all 0.13 0.00 0.09 0.00 0.35 99.43 06:04:01 0 0.10 0.00 0.03 0.00 0.37 99.50 06:04:01 1 0.07 0.00 0.05 0.00 0.53 99.35 06:04:01 2 0.30 0.00 0.05 0.00 0.32 99.33 06:04:01 3 0.05 0.00 0.23 0.00 0.20 99.52 06:05:01 all 0.13 0.00 0.05 0.00 0.48 99.34 06:05:01 0 0.03 0.00 0.05 0.00 0.30 99.62 06:05:01 1 0.07 0.00 0.05 0.00 0.94 98.94 06:05:01 2 0.40 0.00 0.07 0.00 0.35 99.19 06:05:01 3 0.03 0.00 0.03 0.00 0.32 99.62 06:06:01 all 0.13 0.00 0.04 0.00 0.32 99.50 06:06:01 0 0.03 0.00 0.02 0.00 0.13 99.82 06:06:01 1 0.07 0.00 0.08 0.00 0.70 99.15 06:06:01 2 0.40 0.00 0.03 0.00 0.18 99.38 06:06:01 3 0.03 0.00 0.03 0.00 0.28 99.65 06:07:01 all 1.59 0.00 0.62 1.01 0.26 96.52 06:07:01 0 0.87 0.00 0.57 0.05 0.23 98.28 06:07:01 1 1.82 0.00 0.70 1.20 0.30 95.98 06:07:01 2 2.29 0.00 0.75 2.19 0.25 94.52 06:07:01 3 1.40 0.00 0.45 0.60 0.27 97.28 Average: all 0.84 0.00 0.45 0.27 0.27 98.17 Average: 0 0.79 0.00 0.46 0.05 0.20 98.49 Average: 1 0.78 0.00 0.50 0.31 0.43 97.99 Average: 2 1.00 0.00 0.41 0.32 0.21 98.06 Average: 3 0.78 0.00 0.43 0.39 0.24 98.16