---> uname -a: Linux 7184788d69bd 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 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 769 119 0 947 1000 Swap: 1023 4 1019 ---> 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) 06/15/20 _x86_64_ (4 CPU) 19:07:44 LINUX RESTART 19:08:01 tps rtps wtps bread/s bwrtn/s 19:09:01 182.64 98.85 83.79 11633.26 40905.99 19:10:01 1.47 0.00 1.47 0.00 28.63 19:11:01 0.42 0.00 0.42 0.00 6.34 19:12:01 0.65 0.00 0.65 0.00 7.33 19:13:01 0.37 0.00 0.37 0.00 5.85 19:14:01 230.99 150.29 80.70 6722.40 30620.20 19:15:01 209.09 62.64 146.45 3627.10 30702.90 Average: 89.39 44.55 44.84 3140.90 14613.40 19:08:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:09:01 150580 1730976 92.00 2620 1191316 1134580 38.72 408960 1159932 120 19:10:01 156636 1724920 91.68 2620 1191504 1085796 37.06 407156 1156856 20 19:11:01 156872 1724684 91.66 2620 1191512 1085808 37.06 407244 1156844 8 19:12:01 157040 1724516 91.65 2620 1191512 1085736 37.05 406920 1156804 8 19:13:01 156004 1725552 91.71 2620 1191516 1078516 36.81 412096 1153028 8 19:14:01 80128 1801428 95.74 2620 1091680 1341708 45.79 580624 1014204 10640 19:15:01 113876 1767680 93.95 2596 1027636 1257392 42.91 611472 872564 264 Average: 138734 1742822 92.63 2617 1153811 1152791 39.34 462067 1095747 1581 19:08:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:09:01 eth0 582.45 369.49 1305.95 226.05 0.00 0.00 0.00 19:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:01 docker0 52.39 46.61 4.24 133.56 0.00 0.00 0.00 19:10:01 eth0 1.23 0.33 0.33 0.17 0.00 0.00 0.00 19:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 eth0 1.00 0.30 0.32 0.23 0.00 0.00 0.00 19:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 eth0 0.52 0.37 0.27 0.20 0.00 0.00 0.00 19:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 eth0 195.69 141.28 3827.54 18.81 0.00 0.00 0.00 19:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 veth3dfe939 20.42 19.42 2.71 48.88 0.00 0.00 0.00 19:14:01 docker0 72.82 65.95 6.67 182.48 0.00 0.00 0.00 19:15:01 vethf34d716 0.00 0.10 0.00 0.01 0.00 0.00 0.00 19:15:01 eth0 1091.23 731.85 8724.87 346.49 0.00 0.00 0.00 19:15:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 19:15:01 docker0 1.91 1.76 0.37 0.75 0.00 0.00 0.00 Average: vethf34d716 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: eth0 155.93 104.58 1246.74 49.51 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.68 9.67 1.01 26.17 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) 06/15/20 _x86_64_ (4 CPU) 19:07:44 LINUX RESTART 19:08:01 CPU %user %nice %system %iowait %steal %idle 19:09:01 all 16.16 0.00 8.15 8.21 0.02 67.47 19:09:01 0 15.09 0.00 9.66 8.45 0.02 66.78 19:09:01 1 17.64 0.00 7.84 7.03 0.03 67.46 19:09:01 2 15.78 0.00 7.91 10.05 0.00 66.26 19:09:01 3 16.14 0.00 7.14 7.28 0.02 69.42 19:10:01 all 0.15 0.00 0.05 0.00 0.00 99.80 19:10:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:10:01 1 0.05 0.00 0.07 0.00 0.00 99.88 19:10:01 2 0.03 0.00 0.03 0.00 0.00 99.93 19:10:01 3 0.50 0.00 0.07 0.00 0.00 99.43 19:11:01 all 0.15 0.00 0.03 0.00 0.00 99.83 19:11:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:11:01 1 0.03 0.00 0.02 0.00 0.00 99.95 19:11:01 2 0.03 0.00 0.02 0.00 0.02 99.93 19:11:01 3 0.48 0.00 0.05 0.00 0.00 99.47 19:12:01 all 0.15 0.00 0.02 0.00 0.00 99.83 19:12:01 0 0.02 0.00 0.03 0.00 0.00 99.95 19:12:01 1 0.02 0.00 0.02 0.00 0.00 99.97 19:12:01 2 0.03 0.00 0.05 0.00 0.00 99.92 19:12:01 3 0.52 0.00 0.02 0.00 0.00 99.47 19:13:01 all 0.16 0.00 0.04 0.00 0.00 99.80 19:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:13:01 1 0.05 0.00 0.05 0.00 0.00 99.90 19:13:01 2 0.05 0.00 0.05 0.00 0.00 99.90 19:13:01 3 0.52 0.00 0.02 0.00 0.00 99.47 19:14:01 all 7.10 0.00 4.00 2.13 0.02 86.76 19:14:01 0 7.36 0.00 4.03 1.97 0.02 86.62 19:14:01 1 7.44 0.00 4.01 1.44 0.02 87.09 19:14:01 2 7.12 0.00 4.27 2.29 0.00 86.32 19:14:01 3 6.48 0.00 3.67 2.84 0.02 86.99 19:15:01 all 10.11 0.00 7.25 3.12 0.03 79.49 19:15:01 0 9.71 0.00 7.51 1.51 0.02 81.26 19:15:01 1 9.77 0.00 7.17 2.76 0.03 80.27 19:15:01 2 10.72 0.00 7.64 5.53 0.02 76.09 19:15:01 3 10.24 0.00 6.71 2.66 0.05 80.34 Average: all 4.83 0.00 2.77 1.91 0.01 90.48 Average: 0 4.58 0.00 3.02 1.69 0.01 90.69 Average: 1 4.97 0.00 2.72 1.60 0.01 90.70 Average: 2 4.80 0.00 2.84 2.54 0.00 89.82 Average: 3 4.95 0.00 2.51 1.81 0.01 90.72