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Roggie Rog

10Gb bottleneck relief

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Hello. Would a production machine with a 10Gb NIC and 10Gb switch relieve the bottleneck of pushing content to multiple display machines—e.g., primary and backups, hence getting the same content—with 1Gb NIC’s?

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Yes and no. It depends on the reading speed of the data drive in the production computer. In theory a 10 Gbit network can deliver appr. 1,280 MB/s. A standard SATA-III drive in a notebook will read maybe 500MB/s. If your production computer has a raid 0 of at least 3 SATA-III driver or a fast M.2 (NVMe) drive it will speed the transfer up.

Of course, your display computers need a 10Gbit network card as well.

 

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We had our rigs on 10GB nic and switches for a while. The transfer speeds are not 10x faster but significantly faster for sure compared to 1Gb, possibly 4-5x. Our rigs are on 2 x NvME Raid 0 with full PCI buses given to them. Psychologically though after owning them for a while, they will feel "slow" as you get used to their speed. =D

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It also depends on how you tweak your network adapter driver settings. Default settings are using pretty small buffers and jumbo frames are disabled. You need to change this for reaching actual 10 GbE. There is a trade-off between low latency and transfer speeds.

Read the documentation from your hardware vendor. Intel has usually good guides on how to tune the adapter for maximum throughput. 

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