---> uname -a: Linux 2e41b74ced44 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 7.0G 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 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/xfoundry_device-rest-go_issue-36 /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/xfoundry_device-rest-go_issue-36@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 663 132 0 1041 1067 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) 09/16/20 _x86_64_ (4 CPU) 13:45:15 LINUX RESTART (4 CPU) 13:46:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:47:01 37.94 10.41 27.53 0.00 4335.72 2934.07 0.00 13:48:02 1.68 0.00 1.68 0.00 0.00 28.38 0.00 13:49:01 0.27 0.00 0.27 0.00 0.00 3.96 0.00 13:50:01 0.23 0.00 0.23 0.00 0.00 2.83 0.00 13:51:01 0.17 0.00 0.17 0.00 0.00 1.97 0.00 Average: 8.08 2.09 6.00 0.00 870.19 596.31 0.00 13:46:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:47:01 167208 0 530388 28.19 2620 1181340 1100608 37.56 388524 1165552 24 13:48:02 171780 0 525812 27.95 2620 1181344 1070416 36.53 388636 1161568 8 13:49:01 170920 0 526660 27.99 2620 1181356 1070572 36.54 389500 1161568 8 13:50:01 169404 0 528176 28.07 2620 1181356 1070584 36.54 391536 1160992 8 13:51:01 170340 0 527232 28.02 2620 1181364 1070488 36.53 393052 1158940 8 Average: 169930 0 527654 28.04 2620 1181352 1076534 36.74 390250 1161724 11 13:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:47:01 eth0 227.71 186.54 590.43 176.25 0.00 0.00 0.00 0.00 13:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:47:01 docker0 41.48 26.83 3.58 131.68 0.00 0.00 0.00 0.00 13:48:02 eth0 0.58 0.07 0.06 0.01 0.00 0.00 0.00 0.00 13:48:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:48:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 eth0 0.81 0.32 0.32 0.20 0.00 0.00 0.00 0.00 13:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 eth0 0.55 0.42 0.27 0.21 0.00 0.00 0.00 0.00 13:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 eth0 0.90 0.18 0.14 0.07 0.00 0.00 0.00 0.00 13:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 46.27 37.64 118.66 35.47 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 8.33 5.38 0.72 26.43 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) 09/16/20 _x86_64_ (4 CPU) 13:45:15 LINUX RESTART (4 CPU) 13:46:01 CPU %user %nice %system %iowait %steal %idle 13:47:01 all 3.68 0.00 1.42 1.17 0.01 93.71 13:47:01 0 3.62 0.00 1.84 0.47 0.02 94.06 13:47:01 1 3.72 0.00 1.25 1.20 0.00 93.82 13:47:01 2 3.73 0.00 1.19 0.02 0.02 95.05 13:47:01 3 3.66 0.00 1.39 3.01 0.02 91.92 13:48:02 all 0.15 0.00 0.03 0.00 0.00 99.82 13:48:02 0 0.47 0.00 0.05 0.00 0.00 99.48 13:48:02 1 0.03 0.00 0.03 0.00 0.00 99.93 13:48:02 2 0.05 0.00 0.03 0.00 0.00 99.92 13:48:02 3 0.05 0.00 0.02 0.00 0.00 99.93 13:49:01 all 0.16 0.00 0.03 0.00 0.00 99.81 13:49:01 0 0.51 0.00 0.03 0.00 0.00 99.46 13:49:01 1 0.03 0.00 0.02 0.00 0.00 99.95 13:49:01 2 0.05 0.00 0.03 0.00 0.00 99.92 13:49:01 3 0.05 0.00 0.02 0.00 0.00 99.93 13:50:01 all 0.16 0.00 0.02 0.00 0.00 99.82 13:50:01 0 0.53 0.00 0.03 0.00 0.00 99.43 13:50:01 1 0.03 0.00 0.03 0.00 0.00 99.93 13:50:01 2 0.05 0.00 0.02 0.00 0.00 99.93 13:50:01 3 0.02 0.00 0.00 0.00 0.00 99.98 13:51:01 all 0.15 0.00 0.03 0.00 0.00 99.82 13:51:01 0 0.50 0.00 0.03 0.00 0.00 99.47 13:51:01 1 0.03 0.00 0.03 0.00 0.00 99.93 13:51:01 2 0.05 0.00 0.03 0.00 0.00 99.92 13:51:01 3 0.02 0.00 0.00 0.00 0.00 99.98 Average: all 0.86 0.00 0.30 0.24 0.00 98.60 Average: 0 1.13 0.00 0.40 0.09 0.00 98.38 Average: 1 0.77 0.00 0.27 0.24 0.00 98.71 Average: 2 0.79 0.00 0.26 0.00 0.00 98.95 Average: 3 0.76 0.00 0.28 0.60 0.00 98.35