---> uname -a: Linux 051b073537a6 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/gexfoundry_device-rest-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 767 110 0 959 1001 Swap: 1023 3 1020 ---> 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 24: eth0@if25: 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) 08/31/20 _x86_64_ (4 CPU) 20:16:03 LINUX RESTART 20:17:02 tps rtps wtps bread/s bwrtn/s 20:18:01 14.54 4.40 10.14 1006.03 828.04 20:19:01 1.62 0.00 1.62 0.00 31.44 20:20:01 0.37 0.00 0.37 0.00 6.09 20:21:01 0.33 0.00 0.33 0.00 5.43 20:22:01 0.27 0.00 0.27 0.00 4.96 20:23:01 248.75 142.91 105.84 6856.06 32138.02 20:24:01 216.98 82.66 134.32 4567.78 33149.15 Average: 69.13 32.93 36.20 1778.03 9475.32 20:17:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:18:01 166380 1715176 91.16 2620 1160888 1107656 37.80 425372 1129036 20 20:19:01 171564 1709992 90.88 2620 1160892 1075408 36.70 425152 1124724 12 20:20:01 171772 1709784 90.87 2620 1160900 1075508 36.71 425616 1124676 20 20:21:01 171512 1710044 90.88 2620 1160900 1075268 36.70 426460 1124076 12 20:22:01 171068 1710488 90.91 2620 1160964 1075436 36.70 428076 1123492 24 20:23:01 160592 1720964 91.46 2596 1047436 1550272 52.91 579108 945920 24 20:24:01 245468 1636088 86.95 1556 911048 1236208 42.19 610172 739612 32 Average: 179765 1701791 90.45 2465 1109004 1170822 39.96 474279 1044505 21 20:17:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:18:01 eth0 96.00 78.09 164.36 155.15 0.00 0.00 0.00 20:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:18:01 docker0 36.56 26.43 3.44 133.84 0.00 0.00 0.00 20:19:01 eth0 3.40 0.82 1.01 0.59 0.00 0.00 0.00 20:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 eth0 1.58 0.77 0.83 0.55 0.00 0.00 0.00 20:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:21:01 eth0 0.98 0.08 0.09 0.04 0.00 0.00 0.00 20:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:22:01 eth0 2.51 0.98 1.03 0.66 0.00 0.00 0.00 20:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:23:01 eth0 218.63 178.40 4010.20 63.31 0.00 0.00 0.00 20:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:23:01 veth2f3b545 0.00 0.02 0.00 0.00 0.00 0.00 0.00 20:23:01 docker0 55.54 43.36 5.78 180.15 0.00 0.00 0.00 20:24:01 eth0 282.24 192.14 3591.19 103.11 0.00 0.00 0.00 20:24:01 veth7f68bed 0.00 0.02 0.00 0.00 0.00 0.00 0.00 20:24:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 20:24:01 docker0 40.70 62.32 2.24 200.92 0.00 0.00 0.00 Average: eth0 86.48 64.45 1112.41 45.95 0.00 0.00 0.00 Average: veth7f68bed 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 13.79 15.14 1.15 54.59 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) 08/31/20 _x86_64_ (4 CPU) 20:16:03 LINUX RESTART 20:17:02 CPU %user %nice %system %iowait %steal %idle 20:18:01 all 2.07 0.00 0.88 0.14 0.02 96.89 20:18:01 0 2.23 0.00 0.89 0.07 0.02 96.80 20:18:01 1 2.49 0.00 0.87 0.10 0.02 96.52 20:18:01 2 1.56 0.00 0.61 0.10 0.00 97.72 20:18:01 3 1.99 0.00 1.17 0.32 0.03 96.48 20:19:01 all 0.16 0.00 0.05 0.00 0.01 99.78 20:19:01 0 0.03 0.00 0.05 0.00 0.02 99.90 20:19:01 1 0.02 0.00 0.03 0.00 0.00 99.95 20:19:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:19:01 3 0.53 0.00 0.07 0.00 0.03 99.37 20:20:01 all 0.16 0.00 0.03 0.00 0.00 99.80 20:20:01 0 0.08 0.00 0.02 0.00 0.00 99.90 20:20:01 1 0.08 0.00 0.03 0.00 0.00 99.88 20:20:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:20:01 3 0.43 0.00 0.03 0.00 0.00 99.53 20:21:01 all 0.16 0.00 0.03 0.00 0.00 99.80 20:21:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:21:01 1 0.05 0.00 0.07 0.00 0.02 99.87 20:21:01 2 0.53 0.00 0.03 0.00 0.02 99.42 20:21:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:22:01 all 0.17 0.00 0.06 0.00 0.01 99.75 20:22:01 0 0.07 0.00 0.05 0.00 0.02 99.87 20:22:01 1 0.03 0.00 0.10 0.00 0.00 99.87 20:22:01 2 0.55 0.00 0.05 0.00 0.00 99.40 20:22:01 3 0.03 0.00 0.03 0.00 0.02 99.92 20:23:01 all 9.02 0.00 6.04 2.25 0.39 82.29 20:23:01 0 8.96 0.00 5.75 1.09 0.41 83.78 20:23:01 1 9.02 0.00 6.23 1.65 0.36 82.73 20:23:01 2 8.42 0.00 5.65 2.69 0.46 82.78 20:23:01 3 9.68 0.00 6.53 3.54 0.34 79.91 20:24:01 all 12.02 0.00 8.41 2.51 0.88 76.18 20:24:01 0 14.50 0.00 8.57 3.69 0.92 72.32 20:24:01 1 10.61 0.00 8.99 1.61 0.86 77.94 20:24:01 2 11.64 0.00 8.30 2.02 0.82 77.21 20:24:01 3 11.38 0.00 7.79 2.75 0.91 77.17 Average: all 3.34 0.00 2.18 0.69 0.18 93.60 Average: 0 3.63 0.00 2.15 0.68 0.19 93.35 Average: 1 3.14 0.00 2.30 0.47 0.18 93.91 Average: 2 3.21 0.00 2.07 0.68 0.18 93.85 Average: 3 3.39 0.00 2.20 0.93 0.19 93.29