---> uname -a: Linux 4dc75c439c7b 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-97 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-bootstrap_PR-97@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 655 137 0 1044 1075 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) 20:48:55 LINUX RESTART (4 CPU) 20:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:51:01 28.23 10.40 17.83 0.00 4382.82 2518.13 0.00 20:52:02 0.32 0.00 0.32 0.00 0.00 5.13 0.00 20:53:01 0.30 0.00 0.30 0.00 0.00 3.98 0.00 20:54:01 0.25 0.00 0.25 0.00 0.00 3.38 0.00 20:55:01 0.35 0.00 0.35 0.00 0.00 4.93 0.00 20:56:01 0.30 0.02 0.28 0.00 0.13 3.01 0.00 20:57:01 0.23 0.00 0.23 0.00 0.00 2.03 0.00 Average: 4.29 1.49 2.80 0.00 627.90 363.95 0.00 20:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:51:01 160696 0 580292 30.84 2620 1137948 1113244 37.99 418652 1142532 24 20:52:02 164980 0 576004 30.61 2620 1137952 1099244 37.52 418732 1138312 16 20:53:01 164492 0 576484 30.64 2620 1137960 1099392 37.52 419492 1138312 16 20:54:01 163224 0 577752 30.71 2620 1137960 1099480 37.52 421708 1137684 8 20:55:01 165172 0 575800 30.60 2620 1137964 1091136 37.24 429788 1127984 16 20:56:01 165016 0 575944 30.61 2620 1137976 1091224 37.24 429876 1127984 12 20:57:01 165892 0 575068 30.56 2620 1137976 1081936 36.92 418632 1138236 8 Average: 164210 0 576763 30.65 2620 1137962 1096522 37.42 422411 1135863 14 20:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:51:01 eth0 73.04 55.41 337.69 30.01 0.00 0.00 0.00 0.00 20:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:51:01 docker0 1.66 1.45 0.40 2.91 0.00 0.00 0.00 0.00 20:52:02 eth0 5.56 0.50 0.95 0.36 0.00 0.00 0.00 0.00 20:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:52:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:53:01 eth0 5.57 0.61 0.99 0.41 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 7.73 1.52 2.07 1.18 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 4.78 1.35 1.68 1.08 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 20:56:01 eth0 1.20 0.50 0.56 0.39 0.00 0.00 0.00 0.00 20:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 eth0 0.05 0.02 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 14.01 8.58 49.27 4.79 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 0.24 0.21 0.06 0.42 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) 20:48:55 LINUX RESTART (4 CPU) 20:50:01 CPU %user %nice %system %iowait %steal %idle 20:51:01 all 2.72 0.00 1.80 0.55 0.69 94.24 20:51:01 0 3.32 0.00 2.05 1.48 0.65 92.50 20:51:01 1 2.44 0.00 1.60 0.23 0.75 94.98 20:51:01 2 2.48 0.00 2.01 0.05 0.62 94.84 20:51:01 3 2.64 0.00 1.54 0.45 0.74 94.63 20:52:02 all 0.17 0.00 0.05 0.00 0.11 99.66 20:52:02 0 0.05 0.00 0.05 0.00 0.08 99.82 20:52:02 1 0.50 0.00 0.05 0.00 0.22 99.23 20:52:02 2 0.10 0.00 0.05 0.00 0.08 99.77 20:52:02 3 0.05 0.00 0.07 0.00 0.07 99.82 20:53:01 all 0.16 0.00 0.04 0.00 0.10 99.70 20:53:01 0 0.03 0.00 0.05 0.00 0.08 99.83 20:53:01 1 0.53 0.00 0.05 0.00 0.19 99.24 20:53:01 2 0.05 0.00 0.03 0.00 0.07 99.85 20:53:01 3 0.03 0.00 0.02 0.00 0.05 99.90 20:54:01 all 0.18 0.00 0.04 0.00 0.03 99.75 20:54:01 0 0.05 0.00 0.05 0.00 0.03 99.87 20:54:01 1 0.12 0.00 0.03 0.00 0.07 99.78 20:54:01 2 0.48 0.00 0.05 0.00 0.03 99.43 20:54:01 3 0.07 0.00 0.02 0.00 0.00 99.92 20:55:01 all 0.20 0.00 0.08 0.00 0.01 99.70 20:55:01 0 0.10 0.00 0.20 0.00 0.00 99.70 20:55:01 1 0.08 0.00 0.07 0.00 0.02 99.83 20:55:01 2 0.55 0.00 0.03 0.00 0.02 99.40 20:55:01 3 0.07 0.00 0.03 0.00 0.02 99.88 20:56:01 all 0.16 0.00 0.03 0.00 0.00 99.80 20:56:01 0 0.02 0.00 0.03 0.00 0.00 99.95 20:56:01 1 0.07 0.00 0.05 0.00 0.00 99.88 20:56:01 2 0.53 0.00 0.02 0.00 0.00 99.45 20:56:01 3 0.03 0.00 0.02 0.02 0.00 99.93 20:57:01 all 0.15 0.00 0.03 0.00 0.01 99.82 20:57:01 0 0.03 0.00 0.02 0.00 0.02 99.93 20:57:01 1 0.05 0.00 0.05 0.00 0.02 99.88 20:57:01 2 0.48 0.00 0.02 0.00 0.00 99.50 20:57:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 0.53 0.00 0.29 0.08 0.14 98.95 Average: 0 0.51 0.00 0.35 0.21 0.12 98.80 Average: 1 0.54 0.00 0.27 0.03 0.18 98.98 Average: 2 0.67 0.00 0.32 0.01 0.12 98.89 Average: 3 0.42 0.00 0.24 0.07 0.12 99.15