---> uname -a: Linux d9bbd41b7838 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% /w/workspace/gexfoundry_go-mod-registry_PR-50 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/gexfoundry_go-mod-registry_PR-50@tmp /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 640 132 0 1063 1089 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) 09/11/20 _x86_64_ (4 CPU) 21:03:03 LINUX RESTART (4 CPU) 21:04:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:05:01 42.05 11.58 30.47 0.00 4476.75 2103.34 0.00 21:06:01 1.91 0.00 1.91 0.00 0.00 39.49 0.00 21:07:01 0.52 0.00 0.52 0.00 0.00 8.57 0.00 21:08:01 0.28 0.00 0.28 0.00 0.00 4.46 0.00 Average: 11.19 2.90 8.30 0.00 1119.33 539.04 0.00 21:04:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:05:01 177004 0 563300 29.94 2620 1138632 1134632 38.72 392604 1152512 120 21:06:01 186208 0 554092 29.45 2620 1138636 1061200 36.22 388872 1148624 12 21:07:01 185136 0 555156 29.51 2620 1138644 1061440 36.23 390356 1148624 12 21:08:01 182732 0 557560 29.63 2620 1138644 1061500 36.23 393492 1148152 12 Average: 182770 0 557527 29.63 2620 1138639 1079693 36.85 391331 1149478 39 21:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:05:01 eth0 86.82 69.66 448.27 36.12 0.00 0.00 0.00 0.00 21:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 docker0 1.11 0.93 0.26 1.57 0.00 0.00 0.00 0.00 21:06:01 eth0 1.23 0.08 0.11 0.01 0.00 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 eth0 1.81 0.72 1.37 0.40 0.00 0.00 0.00 0.00 21:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 eth0 0.52 0.40 0.28 0.20 0.00 0.00 0.00 0.00 21:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 22.60 17.72 112.52 9.18 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 0.23 0.06 0.39 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) 09/11/20 _x86_64_ (4 CPU) 21:03:03 LINUX RESTART (4 CPU) 21:04:01 CPU %user %nice %system %iowait %steal %idle 21:05:01 all 2.68 0.00 1.70 1.42 5.32 88.88 21:05:01 0 2.32 0.00 1.94 2.02 6.87 86.85 21:05:01 1 2.83 0.00 1.35 0.40 5.11 90.31 21:05:01 2 3.17 0.00 1.63 1.00 5.10 89.10 21:05:01 3 2.42 0.00 1.90 2.25 4.16 89.27 21:06:01 all 0.09 0.00 0.06 0.00 0.37 99.48 21:06:01 0 0.15 0.00 0.07 0.00 0.33 99.45 21:06:01 1 0.10 0.00 0.03 0.00 0.25 99.62 21:06:01 2 0.05 0.00 0.07 0.00 0.30 99.58 21:06:01 3 0.07 0.00 0.08 0.00 0.60 99.25 21:07:01 all 0.09 0.00 0.02 0.00 0.40 99.48 21:07:01 0 0.23 0.00 0.03 0.00 0.42 99.32 21:07:01 1 0.03 0.00 0.02 0.00 0.25 99.70 21:07:01 2 0.03 0.00 0.02 0.00 0.17 99.78 21:07:01 3 0.07 0.00 0.03 0.00 0.76 99.14 21:08:01 all 0.10 0.00 0.04 0.00 0.29 99.57 21:08:01 0 0.25 0.00 0.03 0.00 0.37 99.35 21:08:01 1 0.03 0.00 0.03 0.00 0.18 99.75 21:08:01 2 0.02 0.00 0.05 0.00 0.17 99.77 21:08:01 3 0.10 0.00 0.05 0.00 0.45 99.40 Average: all 0.74 0.00 0.46 0.36 1.60 96.85 Average: 0 0.74 0.00 0.52 0.51 2.01 96.21 Average: 1 0.75 0.00 0.36 0.10 1.45 97.35 Average: 2 0.82 0.00 0.44 0.25 1.43 97.06 Average: 3 0.66 0.00 0.51 0.56 1.49 96.77