---> uname -a: Linux bc49a8994b12 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: 2933.436 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/exfoundry_go-mod-bootstrap_PR-95@tmp /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-95 ---> free -m: total used free shared buff/cache available Mem: 1837 639 122 0 1076 1091 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) 22:59:49 LINUX RESTART (4 CPU) 23:01:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:02:01 9.92 3.58 6.34 0.00 609.52 162.37 0.00 23:03:01 0.30 0.00 0.30 0.00 0.00 4.73 0.00 23:04:01 0.20 0.00 0.20 0.00 0.00 1.90 0.00 23:05:01 0.18 0.00 0.18 0.00 0.00 1.88 0.00 23:06:01 0.38 0.00 0.38 0.00 0.00 4.86 0.00 23:07:01 0.28 0.02 0.27 0.00 0.13 3.40 0.00 23:08:01 0.60 0.00 0.60 0.00 0.00 6.65 0.00 Average: 1.70 0.51 1.18 0.00 87.12 26.55 0.00 23:01:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:02:01 164032 0 563476 29.95 2620 1151428 1118068 38.16 435488 1122152 20 23:03:01 171748 0 555752 29.54 2620 1151436 1073204 36.63 430672 1120084 8 23:04:01 171044 0 556452 29.57 2620 1151440 1073384 36.63 431696 1120080 8 23:05:01 170540 0 556956 29.60 2620 1151440 1073324 36.63 437020 1115476 8 23:06:01 170140 0 557348 29.62 2620 1151448 1073396 36.63 435516 1117416 16 23:07:01 170268 0 557212 29.61 2620 1151456 1073336 36.63 435208 1117416 12 23:08:01 171296 0 556148 29.56 2620 1151492 1073204 36.63 434316 1117648 20 Average: 169867 0 557621 29.64 2620 1151449 1079702 36.85 434274 1118610 13 23:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:02:01 eth0 25.36 21.05 23.30 20.87 0.00 0.00 0.00 0.00 23:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:02:01 docker0 2.53 1.93 0.47 2.99 0.00 0.00 0.00 0.00 23:03:01 eth0 0.55 0.08 0.05 0.01 0.00 0.00 0.00 0.00 23:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 eth0 0.95 0.33 0.31 0.20 0.00 0.00 0.00 0.00 23:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 eth0 1.65 0.30 0.38 0.20 0.00 0.00 0.00 0.00 23:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 eth0 1.98 0.73 0.75 0.43 0.00 0.00 0.00 0.00 23:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 eth0 0.55 0.32 0.27 0.23 0.00 0.00 0.00 0.00 23:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 0.00 23:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.45 3.27 3.58 3.13 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 0.36 0.28 0.07 0.43 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) 22:59:49 LINUX RESTART (4 CPU) 23:01:01 CPU %user %nice %system %iowait %steal %idle 23:02:01 all 1.11 0.00 0.63 0.09 0.02 98.15 23:02:01 0 1.52 0.00 0.70 0.07 0.03 97.68 23:02:01 1 0.97 0.00 0.55 0.02 0.02 98.45 23:02:01 2 1.08 0.00 0.72 0.27 0.02 97.91 23:02:01 3 0.87 0.00 0.57 0.00 0.02 98.55 23:03:01 all 0.14 0.00 0.03 0.00 0.00 99.83 23:03:01 0 0.42 0.00 0.02 0.00 0.00 99.57 23:03:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:03:01 2 0.05 0.00 0.02 0.00 0.00 99.93 23:03:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:04:01 all 0.15 0.00 0.04 0.00 0.00 99.82 23:04:01 0 0.43 0.00 0.05 0.00 0.00 99.52 23:04:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:04:01 2 0.07 0.00 0.05 0.00 0.00 99.88 23:04:01 3 0.03 0.00 0.02 0.00 0.00 99.95 23:05:01 all 0.14 0.00 0.04 0.00 0.00 99.81 23:05:01 0 0.48 0.00 0.03 0.00 0.00 99.48 23:05:01 1 0.03 0.00 0.07 0.00 0.00 99.90 23:05:01 2 0.05 0.00 0.05 0.00 0.02 99.88 23:05:01 3 0.00 0.00 0.02 0.00 0.00 99.98 23:06:01 all 0.06 0.00 0.06 0.00 0.00 99.87 23:06:01 0 0.12 0.00 0.03 0.00 0.00 99.85 23:06:01 1 0.03 0.00 0.13 0.00 0.00 99.83 23:06:01 2 0.07 0.00 0.05 0.00 0.00 99.88 23:06:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:07:01 all 0.13 0.00 0.03 0.00 0.01 99.84 23:07:01 0 0.38 0.00 0.02 0.00 0.00 99.60 23:07:01 1 0.07 0.00 0.02 0.00 0.02 99.90 23:07:01 2 0.03 0.00 0.07 0.00 0.02 99.88 23:07:01 3 0.02 0.00 0.02 0.00 0.00 99.97 23:08:01 all 0.09 0.00 0.03 0.00 0.00 99.88 23:08:01 0 0.25 0.00 0.02 0.00 0.00 99.73 23:08:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:08:01 2 0.05 0.00 0.07 0.00 0.00 99.88 23:08:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.26 0.00 0.12 0.01 0.00 99.60 Average: 0 0.51 0.00 0.12 0.01 0.00 99.35 Average: 1 0.18 0.00 0.13 0.00 0.00 99.69 Average: 2 0.20 0.00 0.15 0.04 0.01 99.61 Average: 3 0.14 0.00 0.10 0.00 0.00 99.75