---> uname -a: Linux df8a11090c5c 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_go-mod-bootstrap_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_go-mod-bootstrap_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 761 120 0 955 1010 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 16: eth0@if17: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 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) 09/24/20 _x86_64_ (4 CPU) 20:47:52 LINUX RESTART (4 CPU) 20:49:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:01 6.56 0.98 5.58 0.00 71.24 149.13 0.00 20:51:01 0.33 0.00 0.33 0.00 0.00 5.23 0.00 20:52:01 0.28 0.00 0.28 0.00 0.00 3.53 0.00 20:53:01 0.28 0.00 0.28 0.00 0.00 3.91 0.00 20:54:01 0.28 0.00 0.28 0.00 0.00 4.70 0.00 20:55:01 320.34 135.23 185.11 0.00 7682.77 57313.12 0.00 Average: 54.73 22.72 32.01 0.00 1293.55 9588.96 0.00 20:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:01 171204 0 540176 28.71 2620 1167556 1124116 38.36 386508 1162652 16 20:51:01 175348 0 536028 28.49 2620 1167560 1097620 37.46 386808 1159412 12 20:52:01 175116 0 536252 28.50 2620 1167568 1097632 37.46 386780 1159412 12 20:53:01 174576 0 536792 28.53 2620 1167568 1092568 37.29 392536 1154436 16 20:54:01 174472 0 536892 28.53 2620 1167572 1092656 37.29 397476 1149708 8 20:55:01 138996 0 715748 38.04 2224 1024588 1130328 38.58 544940 920208 70560 Average: 168285 0 566981 30.13 2554 1143735 1105820 37.74 415841 1117638 11771 20:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:01 eth0 10.05 6.09 7.61 5.34 0.00 0.00 0.00 0.00 20:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 eth0 2.06 0.60 0.64 0.43 0.00 0.00 0.00 0.00 20:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 eth0 5.55 0.55 0.95 0.36 0.00 0.00 0.00 0.00 20:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:53:01 eth0 5.46 0.57 0.95 0.40 0.00 0.00 0.00 0.00 20:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:01 eth0 8.04 1.53 2.22 1.24 0.00 0.00 0.00 0.00 20:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 eth0 846.77 757.14 7047.18 120.72 0.00 0.00 0.00 0.00 20:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:55:01 docker0 21.06 18.16 2.14 44.73 0.00 0.00 0.00 0.00 Average: eth0 146.46 127.87 1177.70 21.44 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 3.51 3.03 0.36 7.46 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) 09/24/20 _x86_64_ (4 CPU) 20:47:52 LINUX RESTART (4 CPU) 20:49:01 CPU %user %nice %system %iowait %steal %idle 20:50:01 all 0.67 0.00 0.15 0.07 0.05 99.06 20:50:01 0 0.52 0.00 0.17 0.00 0.05 99.27 20:50:01 1 0.87 0.00 0.12 0.27 0.07 98.68 20:50:01 2 0.90 0.00 0.13 0.00 0.03 98.93 20:50:01 3 0.38 0.00 0.17 0.03 0.05 99.37 20:51:01 all 0.18 0.00 0.06 0.00 0.01 99.75 20:51:01 0 0.10 0.00 0.08 0.00 0.02 99.80 20:51:01 1 0.52 0.00 0.03 0.00 0.00 99.45 20:51:01 2 0.05 0.00 0.05 0.00 0.02 99.88 20:51:01 3 0.07 0.00 0.07 0.00 0.02 99.85 20:52:01 all 0.18 0.00 0.04 0.00 0.02 99.77 20:52:01 0 0.05 0.00 0.02 0.00 0.03 99.90 20:52:01 1 0.48 0.00 0.03 0.00 0.02 99.47 20:52:01 2 0.08 0.00 0.07 0.00 0.02 99.83 20:52:01 3 0.08 0.00 0.03 0.00 0.00 99.88 20:53:01 all 0.17 0.00 0.05 0.00 0.04 99.75 20:53:01 0 0.02 0.00 0.02 0.00 0.02 99.95 20:53:01 1 0.52 0.00 0.03 0.00 0.03 99.42 20:53:01 2 0.10 0.00 0.08 0.00 0.07 99.75 20:53:01 3 0.03 0.00 0.05 0.00 0.05 99.87 20:54:01 all 0.18 0.00 0.08 0.00 0.06 99.69 20:54:01 0 0.05 0.00 0.03 0.00 0.03 99.88 20:54:01 1 0.50 0.00 0.15 0.00 0.02 99.33 20:54:01 2 0.03 0.00 0.07 0.00 0.10 99.80 20:54:01 3 0.13 0.00 0.05 0.00 0.08 99.73 20:55:01 all 15.64 0.00 10.28 4.03 0.27 69.79 20:55:01 0 14.41 0.00 10.81 4.35 0.23 70.21 20:55:01 1 14.72 0.00 10.02 4.10 0.33 70.84 20:55:01 2 17.45 0.00 9.88 3.67 0.22 68.78 20:55:01 3 15.96 0.00 10.41 4.00 0.31 69.32 Average: all 2.76 0.00 1.72 0.66 0.07 94.78 Average: 0 2.44 0.00 1.79 0.70 0.06 95.01 Average: 1 2.87 0.00 1.69 0.71 0.08 94.66 Average: 2 3.02 0.00 1.67 0.60 0.08 94.64 Average: 3 2.70 0.00 1.75 0.65 0.08 94.81