---> uname -a: Linux 364917ffccaa 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: 2933.396 BogoMIPS: 5866.79 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 6.9G 43.0G 14% / 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-90 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-90@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 645 139 0 1052 1085 Swap: 1023 1 1022 ---> 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 6: eth0@if7: 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) 16:58:39 LINUX RESTART (4 CPU) 16:59:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:01 156.79 68.14 88.65 0.00 8633.72 40209.19 0.00 17:01:01 3.26 0.02 3.25 0.00 0.13 105.69 0.00 17:02:01 0.67 0.12 0.55 0.00 2.13 9.49 0.00 17:03:01 0.32 0.00 0.32 0.00 0.00 3.83 0.00 17:04:02 0.18 0.00 0.18 0.00 0.00 3.00 0.00 Average: 32.26 13.66 18.60 0.00 1727.89 8069.46 0.00 16:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:01 171240 0 566160 30.09 2620 1141536 1111180 37.92 439836 1110852 120 17:01:01 175824 0 561544 29.84 2620 1141568 1075176 36.69 438292 1108648 20 17:02:01 176724 0 560496 29.79 2620 1141716 1073208 36.63 437988 1108712 8 17:03:01 175500 0 561720 29.85 2620 1141716 1073444 36.63 438852 1108712 20 17:04:02 174700 0 562512 29.90 2620 1141724 1073276 36.63 446236 1102008 12 Average: 174798 0 562486 29.89 2620 1141652 1081257 36.90 440241 1107786 36 16:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:01 eth0 570.69 351.15 1053.15 100.59 0.00 0.00 0.00 0.00 17:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 1.50 1.23 0.38 3.15 0.00 0.00 0.00 0.00 17:01:01 eth0 0.32 0.07 0.02 0.03 0.00 0.00 0.00 0.00 17:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 eth0 0.60 0.10 0.06 0.01 0.00 0.00 0.00 0.00 17:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 eth0 2.98 1.37 2.55 0.45 0.00 0.00 0.00 0.00 17:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:02 eth0 0.38 0.08 0.04 0.01 0.00 0.00 0.00 0.00 17:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 115.04 70.58 211.25 20.22 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 0.30 0.25 0.08 0.63 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) 16:58:39 LINUX RESTART (4 CPU) 16:59:01 CPU %user %nice %system %iowait %steal %idle 17:00:01 all 15.40 0.00 7.05 7.37 0.01 70.17 17:00:01 0 14.44 0.00 7.34 5.87 0.02 72.34 17:00:01 1 16.03 0.00 6.62 6.17 0.02 71.16 17:00:01 2 14.85 0.00 6.91 8.69 0.02 69.54 17:00:01 3 16.30 0.00 7.31 8.75 0.00 67.64 17:01:01 all 0.15 0.00 0.05 0.00 0.00 99.79 17:01:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:01:01 1 0.17 0.00 0.03 0.02 0.00 99.78 17:01:01 2 0.05 0.00 0.08 0.00 0.00 99.87 17:01:01 3 0.33 0.00 0.05 0.00 0.02 99.60 17:02:01 all 0.14 0.00 0.04 0.00 0.00 99.82 17:02:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:02:01 1 0.02 0.00 0.03 0.00 0.00 99.95 17:02:01 2 0.05 0.00 0.08 0.00 0.00 99.87 17:02:01 3 0.47 0.00 0.02 0.00 0.00 99.52 17:03:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:03:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:03:01 1 0.03 0.00 0.02 0.00 0.00 99.95 17:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:03:01 3 0.48 0.00 0.03 0.00 0.00 99.48 17:04:02 all 0.17 0.00 0.06 0.00 0.00 99.78 17:04:02 0 0.43 0.00 0.12 0.00 0.00 99.45 17:04:02 1 0.07 0.00 0.02 0.00 0.00 99.92 17:04:02 2 0.10 0.00 0.05 0.00 0.00 99.85 17:04:02 3 0.07 0.00 0.05 0.00 0.00 99.88 Average: all 3.18 0.00 1.43 1.46 0.00 93.92 Average: 0 2.98 0.00 1.50 1.17 0.00 94.35 Average: 1 3.24 0.00 1.34 1.23 0.00 94.19 Average: 2 3.00 0.00 1.43 1.73 0.00 93.84 Average: 3 3.50 0.00 1.48 1.73 0.00 93.29