SMB3 Updates For Linux 5.8 Offer Better Performance For Large I/O
Written by Michael Larabel in Linux Storage on 6 June 2020 at 07:25 AM EDT. 8 Comments
LINUX STORAGE --
The SMB3/CIFS updates for the Linux 5.8 kernel from the Samba camp can offer better performance.

After Linux 5.7 brought support for setting up a swap file over a network with SMB3, the Linux 5.8 SMB3 changes are interesting for performance reasons.

Steve French noted in the SMB3 pull request the change summary as , "Includes big performance improvement for large i/o when using multichannel, also includes DFS fixes."

There were numerous improvements to the CIFS multi-channel code this cycle. Also when using the multichannel mount option, it will default to using at least two channels. A secondary set of SMB3 changes with more feature work is still being tested that still might be sent out next week for Linux 5.8.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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