---> uname -a: Linux 64f62a98ebfd 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 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-93 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-93@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 149 0 1019 1062 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) 09/24/20 _x86_64_ (4 CPU) 20:48:21 LINUX RESTART (4 CPU) 20:49:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:50:01 58.05 16.00 42.05 0.00 5018.23 4699.37 0.00 20:51:02 1.55 0.00 1.55 0.00 0.00 27.88 0.00 20:52:01 0.19 0.00 0.19 0.00 0.00 2.22 0.00 20:53:01 0.22 0.00 0.22 0.00 0.00 2.30 0.00 20:54:01 0.23 0.00 0.23 0.00 0.00 3.53 0.00 20:55:01 0.28 0.00 0.28 0.00 0.00 4.73 0.00 Average: 10.12 2.68 7.45 0.00 839.42 792.87 0.00 20:49:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:50:01 158200 0 587844 31.24 2620 1132892 1120592 38.24 441072 1122636 120 20:51:02 160552 0 585488 31.12 2620 1132896 1113832 38.01 441528 1120464 16 20:52:01 160972 0 585060 31.09 2620 1132904 1112828 37.98 441712 1120444 20 20:53:01 160848 0 585184 31.10 2620 1132904 1103612 37.66 443280 1119208 20 20:54:01 157260 0 588768 31.29 2620 1132908 1103788 37.67 452116 1113352 20 20:55:01 158460 0 587560 31.23 2620 1132916 1100740 37.57 451912 1112888 16 Average: 159382 0 586651 31.18 2620 1132903 1109232 37.86 445270 1118165 35 20:49:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:50:01 eth0 275.33 196.29 789.33 79.27 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 1.65 1.46 0.40 2.91 0.00 0.00 0.00 0.00 20:51:02 eth0 2.03 0.57 0.64 0.38 0.00 0.00 0.00 0.00 20:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:01 eth0 5.64 0.51 0.96 0.40 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 5.48 0.67 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 8.06 1.58 2.16 1.29 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 4.68 1.22 1.61 0.94 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 50.37 33.59 133.09 13.83 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 0.24 0.07 0.49 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) 20:48:21 LINUX RESTART (4 CPU) 20:49:01 CPU %user %nice %system %iowait %steal %idle 20:50:01 all 9.41 0.00 3.66 2.10 0.19 84.64 20:50:01 0 9.13 0.00 3.66 1.01 0.20 86.01 20:50:01 1 9.64 0.00 3.55 3.02 0.17 83.62 20:50:01 2 10.22 0.00 3.51 1.02 0.13 85.11 20:50:01 3 8.64 0.00 3.93 3.34 0.25 83.84 20:51:02 all 0.14 0.00 0.07 0.00 0.11 99.67 20:51:02 0 0.05 0.00 0.03 0.00 0.03 99.88 20:51:02 1 0.05 0.00 0.10 0.00 0.12 99.73 20:51:02 2 0.03 0.00 0.03 0.00 0.07 99.87 20:51:02 3 0.43 0.00 0.13 0.00 0.23 99.20 20:52:01 all 0.20 0.00 0.05 0.00 0.05 99.70 20:52:01 0 0.03 0.00 0.03 0.00 0.03 99.90 20:52:01 1 0.59 0.00 0.03 0.00 0.03 99.34 20:52:01 2 0.08 0.00 0.08 0.00 0.10 99.73 20:52:01 3 0.08 0.00 0.03 0.00 0.03 99.85 20:53:01 all 0.15 0.00 0.04 0.00 0.07 99.73 20:53:01 0 0.02 0.00 0.03 0.00 0.03 99.92 20:53:01 1 0.48 0.00 0.03 0.00 0.07 99.42 20:53:01 2 0.03 0.00 0.05 0.00 0.02 99.90 20:53:01 3 0.08 0.00 0.05 0.00 0.18 99.68 20:54:01 all 0.18 0.00 0.05 0.00 0.11 99.66 20:54:01 0 0.03 0.00 0.03 0.00 0.02 99.92 20:54:01 1 0.52 0.00 0.03 0.00 0.15 99.30 20:54:01 2 0.08 0.00 0.07 0.00 0.08 99.77 20:54:01 3 0.10 0.00 0.07 0.00 0.18 99.65 20:55:01 all 0.19 0.00 0.06 0.00 0.02 99.73 20:55:01 0 0.05 0.00 0.03 0.00 0.02 99.90 20:55:01 1 0.57 0.00 0.07 0.00 0.02 99.35 20:55:01 2 0.12 0.00 0.12 0.00 0.02 99.75 20:55:01 3 0.02 0.00 0.03 0.00 0.03 99.92 Average: all 1.71 0.00 0.65 0.35 0.09 97.20 Average: 0 1.55 0.00 0.64 0.17 0.06 97.59 Average: 1 1.97 0.00 0.64 0.50 0.09 96.80 Average: 2 1.75 0.00 0.64 0.17 0.07 97.37 Average: 3 1.56 0.00 0.71 0.55 0.15 97.03