---> uname -a: Linux daf51b06ea68 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 781 112 0 943 990 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) 09/16/20 _x86_64_ (4 CPU) 17:13:15 LINUX RESTART (4 CPU) 17:14:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:15:01 43.93 11.66 32.27 0.00 4441.10 2482.60 0.00 17:16:01 1.63 0.00 1.63 0.00 0.00 31.69 0.00 17:17:02 0.23 0.00 0.23 0.00 0.00 3.38 0.00 17:18:01 0.19 0.00 0.19 0.00 0.00 2.05 0.00 17:19:01 285.41 130.46 154.95 0.00 7276.93 50421.74 0.00 Average: 66.55 28.54 38.01 0.00 2352.66 10632.71 0.00 17:14:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:15:01 186312 0 554768 29.48 2620 1137856 1112312 37.96 392640 1142516 12 17:16:01 191320 0 549756 29.22 2620 1137860 1080096 36.86 392248 1139096 20 17:17:02 190796 0 550268 29.25 2620 1137872 1080204 36.87 393020 1139096 8 17:18:01 189896 0 551168 29.29 2620 1137872 1080216 36.87 394784 1138448 8 17:19:01 75384 0 732588 38.94 2560 1071024 1505472 51.38 635664 928388 99856 Average: 166742 0 587710 31.24 2608 1124497 1171660 39.99 441671 1097509 19981 17:14:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:15:01 eth0 160.15 117.20 463.01 41.73 0.00 0.00 0.00 0.00 17:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:15:01 docker0 1.73 1.38 0.39 3.16 0.00 0.00 0.00 0.00 17:16:01 eth0 4.10 1.73 3.06 0.12 0.00 0.00 0.00 0.00 17:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:17:02 eth0 0.87 0.32 0.31 0.20 0.00 0.00 0.00 0.00 17:17:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:17:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:01 eth0 0.54 0.44 0.30 0.18 0.00 0.00 0.00 0.00 17:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:19:01 eth0 861.42 783.91 7036.72 68.43 0.00 0.00 0.00 0.00 17:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:19:01 docker0 18.98 17.77 1.93 43.48 0.00 0.00 0.00 0.00 Average: eth0 206.25 181.46 1506.95 22.22 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 4.16 3.85 0.47 9.37 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) 09/16/20 _x86_64_ (4 CPU) 17:13:15 LINUX RESTART (4 CPU) 17:14:01 CPU %user %nice %system %iowait %steal %idle 17:15:01 all 3.06 0.00 1.56 1.39 0.02 93.98 17:15:01 0 3.22 0.00 1.77 0.22 0.02 94.78 17:15:01 1 2.83 0.00 1.24 0.57 0.02 95.35 17:15:01 2 3.04 0.00 2.06 4.70 0.02 90.19 17:15:01 3 3.15 0.00 1.17 0.07 0.02 95.60 17:16:01 all 0.18 0.00 0.03 0.00 0.00 99.79 17:16:01 0 0.07 0.00 0.05 0.00 0.00 99.88 17:16:01 1 0.05 0.00 0.02 0.00 0.00 99.93 17:16:01 2 0.42 0.00 0.03 0.00 0.00 99.55 17:16:01 3 0.18 0.00 0.02 0.00 0.00 99.80 17:17:02 all 0.16 0.00 0.02 0.00 0.00 99.82 17:17:02 0 0.55 0.00 0.03 0.00 0.00 99.42 17:17:02 1 0.05 0.00 0.02 0.00 0.00 99.93 17:17:02 2 0.02 0.00 0.02 0.00 0.00 99.97 17:17:02 3 0.02 0.00 0.03 0.00 0.00 99.95 17:18:01 all 0.11 0.00 0.04 0.00 0.00 99.85 17:18:01 0 0.32 0.00 0.08 0.00 0.02 99.58 17:18:01 1 0.03 0.00 0.03 0.00 0.00 99.93 17:18:01 2 0.03 0.00 0.02 0.00 0.00 99.95 17:18:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:19:01 all 12.63 0.00 6.87 2.12 0.05 78.34 17:19:01 0 12.21 0.00 7.50 2.94 0.03 77.31 17:19:01 1 12.59 0.00 6.94 2.33 0.03 78.11 17:19:01 2 12.90 0.00 6.30 1.45 0.07 79.28 17:19:01 3 12.80 0.00 6.72 1.79 0.05 78.65 Average: all 3.19 0.00 1.69 0.70 0.01 94.41 Average: 0 3.23 0.00 1.86 0.62 0.01 94.27 Average: 1 3.09 0.00 1.64 0.57 0.01 94.69 Average: 2 3.25 0.00 1.67 1.23 0.02 93.83 Average: 3 3.21 0.00 1.58 0.37 0.01 94.84