---> uname -a: Linux cc97c6c7d214 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: 2933.438 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 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-92 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-92@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 638 134 0 1064 1092 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 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) 09/24/20 _x86_64_ (4 CPU) 19:31:11 LINUX RESTART (4 CPU) 19:32:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:33:01 44.31 11.12 33.19 0.00 4459.46 2177.91 0.00 19:34:01 1.67 0.00 1.67 0.00 0.00 31.00 0.00 19:35:01 0.25 0.00 0.25 0.00 0.00 3.25 0.00 19:36:01 0.28 0.00 0.28 0.00 0.00 3.35 0.00 19:37:02 0.28 0.00 0.28 0.00 0.00 4.96 0.00 19:38:01 0.41 0.12 0.29 0.00 9.89 4.17 0.00 Average: 7.89 1.88 6.01 0.00 747.19 371.91 0.00 19:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:33:01 180588 0 556408 29.57 2620 1141940 1150668 39.27 388572 1151460 24 19:34:01 185488 0 551504 29.31 2620 1141944 1093772 37.33 387704 1148372 8 19:35:01 185900 0 551084 29.29 2620 1141952 1093808 37.33 387940 1148372 8 19:36:01 185200 0 551784 29.33 2620 1141952 1092720 37.29 389336 1147736 16 19:37:02 184672 0 552308 29.35 2620 1141956 1091836 37.26 393304 1144548 8 19:38:01 176212 0 560444 29.79 2620 1142280 1079088 36.83 400180 1140896 44 Average: 183010 0 553922 29.44 2620 1142004 1100315 37.55 391173 1146897 18 19:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:33:01 eth0 157.33 106.78 464.23 39.84 0.00 0.00 0.00 0.00 19:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:33:01 docker0 1.66 1.33 0.39 2.89 0.00 0.00 0.00 0.00 19:34:01 eth0 2.66 0.37 0.47 0.20 0.00 0.00 0.00 0.00 19:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 eth0 4.90 1.10 1.43 0.79 0.00 0.00 0.00 0.00 19:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 eth0 2.30 0.23 0.45 0.19 0.00 0.00 0.00 0.00 19:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:02 eth0 1.58 0.87 0.94 0.65 0.00 0.00 0.00 0.00 19:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:37:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 eth0 3.15 2.03 3.43 0.94 0.00 0.00 0.00 0.00 19:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 28.73 18.61 78.73 7.12 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 0.28 0.22 0.06 0.48 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) 19:31:11 LINUX RESTART (4 CPU) 19:32:01 CPU %user %nice %system %iowait %steal %idle 19:33:01 all 3.47 0.00 1.89 1.59 0.03 93.03 19:33:01 0 3.33 0.00 1.93 0.57 0.03 94.14 19:33:01 1 3.61 0.00 1.82 1.94 0.02 92.61 19:33:01 2 3.23 0.00 2.18 0.89 0.03 93.67 19:33:01 3 3.68 0.00 1.64 2.96 0.02 91.70 19:34:01 all 0.15 0.00 0.05 0.00 0.00 99.80 19:34:01 0 0.05 0.00 0.05 0.00 0.00 99.90 19:34:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:34:01 2 0.07 0.00 0.07 0.00 0.00 99.87 19:34:01 3 0.43 0.00 0.05 0.00 0.00 99.52 19:35:01 all 0.11 0.00 0.03 0.00 0.00 99.85 19:35:01 0 0.13 0.00 0.02 0.00 0.00 99.85 19:35:01 1 0.08 0.00 0.02 0.00 0.00 99.90 19:35:01 2 0.15 0.00 0.05 0.00 0.00 99.80 19:35:01 3 0.08 0.00 0.05 0.00 0.00 99.87 19:36:01 all 0.07 0.00 0.04 0.00 0.00 99.89 19:36:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:36:01 1 0.03 0.00 0.03 0.00 0.00 99.93 19:36:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:36:01 3 0.18 0.00 0.05 0.00 0.00 99.77 19:37:02 all 0.18 0.00 0.07 0.00 0.00 99.75 19:37:02 0 0.02 0.00 0.03 0.00 0.00 99.95 19:37:02 1 0.07 0.00 0.05 0.00 0.00 99.88 19:37:02 2 0.10 0.00 0.17 0.00 0.00 99.73 19:37:02 3 0.53 0.00 0.03 0.00 0.00 99.43 19:38:01 all 0.33 0.00 0.13 0.00 0.01 99.53 19:38:01 0 0.19 0.00 0.17 0.02 0.02 99.61 19:38:01 1 0.64 0.00 0.10 0.00 0.02 99.24 19:38:01 2 0.42 0.00 0.15 0.00 0.00 99.42 19:38:01 3 0.05 0.00 0.10 0.00 0.00 99.85 Average: all 0.72 0.00 0.37 0.27 0.01 98.64 Average: 0 0.62 0.00 0.37 0.10 0.01 98.90 Average: 1 0.75 0.00 0.34 0.32 0.01 98.58 Average: 2 0.67 0.00 0.44 0.15 0.01 98.73 Average: 3 0.83 0.00 0.32 0.49 0.00 98.35