---> uname -a: Linux 3350ef3ebac1 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: 2933.442 BogoMIPS: 5866.88 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/gexfoundry_device-rest-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/gexfoundry_device-rest-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 776 118 0 942 997 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) 09/17/20 _x86_64_ (4 CPU) 17:32:09 LINUX RESTART (4 CPU) 17:33:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:34:01 25.80 8.83 16.97 0.00 4212.49 2631.42 0.00 17:35:01 1.72 0.00 1.72 0.00 0.00 28.88 0.00 17:36:02 0.38 0.00 0.38 0.00 0.00 5.33 0.00 17:37:01 0.19 0.00 0.19 0.00 0.00 1.91 0.00 17:38:01 0.27 0.00 0.27 0.00 0.00 3.28 0.00 17:39:01 0.35 0.02 0.33 0.00 0.13 4.10 0.00 17:40:01 224.21 123.89 100.32 0.00 6900.08 31953.59 0.00 17:41:01 200.70 73.97 126.73 0.00 4378.50 32955.63 0.00 Average: 56.84 25.90 30.94 0.00 1940.93 8469.01 0.00 17:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:34:01 171264 0 526652 27.99 2620 1181020 1114064 38.02 412844 1137836 24 17:35:01 173460 0 524452 27.87 2620 1181024 1080116 36.86 412484 1136460 8 17:36:02 172368 0 525536 27.93 2620 1181032 1080420 36.87 415764 1134544 8 17:37:01 170820 0 527084 28.01 2620 1181032 1080360 36.87 419384 1132276 16 17:38:01 171240 0 526660 27.99 2620 1181036 1080252 36.87 422100 1129212 12 17:39:01 172028 0 525860 27.95 2620 1181048 1080180 36.86 424996 1125836 12 17:40:01 194164 0 635024 33.75 2596 1049772 1307044 44.61 550884 940564 44 17:41:01 239700 0 728360 38.71 1656 911840 1228164 41.92 587200 765676 48 Average: 183130 0 564954 30.03 2496 1130976 1131325 38.61 455707 1062800 22 17:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:34:01 eth0 145.85 123.78 476.04 163.88 0.00 0.00 0.00 0.00 17:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:34:01 docker0 41.88 31.37 3.56 132.02 0.00 0.00 0.00 0.00 17:35:01 eth0 0.82 0.08 0.07 0.01 0.00 0.00 0.00 0.00 17:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:02 eth0 1.10 0.48 0.29 0.21 0.00 0.00 0.00 0.00 17:36:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:01 eth0 0.85 0.44 0.34 0.21 0.00 0.00 0.00 0.00 17:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:01 eth0 0.27 0.18 0.14 0.07 0.00 0.00 0.00 0.00 17:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:39:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 17:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 eth0 502.85 434.83 4037.77 80.92 0.00 0.00 0.00 0.00 17:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 vetha2902e9 0.35 0.33 0.08 0.17 0.00 0.00 0.00 0.00 17:40:01 docker0 23.16 20.14 2.84 50.35 0.00 0.00 0.00 0.00 17:41:01 veth3738c8e 1.68 1.25 0.26 0.21 0.00 0.00 0.00 0.00 17:41:01 eth0 551.77 473.41 3610.75 115.27 0.00 0.00 0.00 0.00 17:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:41:01 docker0 32.04 34.03 2.16 206.28 0.00 0.00 0.00 0.00 Average: veth3738c8e 0.21 0.16 0.03 0.03 0.00 0.00 0.00 0.00 Average: eth0 150.81 129.48 1018.18 45.17 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 12.16 10.72 1.07 48.70 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) 09/17/20 _x86_64_ (4 CPU) 17:32:09 LINUX RESTART (4 CPU) 17:33:01 CPU %user %nice %system %iowait %steal %idle 17:34:01 all 3.05 0.00 1.52 0.39 0.00 95.03 17:34:01 0 3.20 0.00 1.54 1.21 0.00 94.06 17:34:01 1 3.24 0.00 1.65 0.17 0.02 94.92 17:34:01 2 3.16 0.00 1.37 0.13 0.00 95.33 17:34:01 3 2.61 0.00 1.52 0.07 0.00 95.80 17:35:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:35:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:35:01 1 0.52 0.00 0.03 0.00 0.00 99.45 17:35:01 2 0.03 0.00 0.05 0.00 0.00 99.92 17:35:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:36:02 all 0.18 0.00 0.03 0.00 0.00 99.79 17:36:02 0 0.05 0.00 0.05 0.00 0.00 99.90 17:36:02 1 0.55 0.00 0.02 0.00 0.00 99.43 17:36:02 2 0.07 0.00 0.03 0.00 0.02 99.88 17:36:02 3 0.05 0.00 0.02 0.00 0.00 99.93 17:37:01 all 0.16 0.00 0.04 0.00 0.00 99.80 17:37:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:37:01 1 0.51 0.00 0.03 0.00 0.00 99.46 17:37:01 2 0.07 0.00 0.07 0.00 0.00 99.86 17:37:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:38:01 all 0.15 0.00 0.05 0.00 0.00 99.79 17:38:01 0 0.02 0.00 0.13 0.00 0.00 99.85 17:38:01 1 0.52 0.00 0.02 0.00 0.00 99.47 17:38:01 2 0.05 0.00 0.05 0.00 0.00 99.90 17:38:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:39:01 all 0.13 0.00 0.03 0.00 0.00 99.83 17:39:01 0 0.00 0.00 0.05 0.00 0.00 99.95 17:39:01 1 0.47 0.00 0.02 0.00 0.00 99.52 17:39:01 2 0.03 0.00 0.05 0.00 0.00 99.92 17:39:01 3 0.03 0.00 0.02 0.02 0.00 99.93 17:40:01 all 9.10 0.00 6.08 2.69 0.03 82.11 17:40:01 0 8.10 0.00 6.54 1.79 0.03 83.54 17:40:01 1 9.80 0.00 5.44 3.35 0.03 81.37 17:40:01 2 8.38 0.00 5.91 1.74 0.03 83.93 17:40:01 3 10.10 0.00 6.44 3.86 0.02 79.59 17:41:01 all 11.17 0.00 7.87 3.01 0.03 77.93 17:41:01 0 9.64 0.00 7.96 2.47 0.03 79.89 17:41:01 1 10.25 0.00 8.17 3.00 0.02 78.57 17:41:01 2 10.32 0.00 7.92 3.22 0.02 78.52 17:41:01 3 14.46 0.00 7.42 3.34 0.05 74.73 Average: all 2.98 0.00 1.94 0.75 0.01 94.31 Average: 0 2.60 0.00 2.02 0.68 0.01 94.70 Average: 1 3.21 0.00 1.91 0.81 0.01 94.07 Average: 2 2.74 0.00 1.91 0.63 0.01 94.70 Average: 3 3.39 0.00 1.92 0.90 0.01 93.79