[Samba] CIFS client mounts meta ops 30 times slow than server

[Jeremy Allison]

On Fri, Mar 10, 2023 at 02:08:56AM +0800, Shenyue Chen wrote:
>   Thanks for the advice, Jeremy and Ralph. We'll definitely give the new
>   version a try, 
>   I guess I still need to clarify my comparison setting a little bit:
>   Let's say the BeeGFS folder path on SMB server is /mnt/beegfs.
>   This folder is exported via Samba, and mounted on CIFS clients in /mnt/smb
>   The 1st benchmark is done on /mnt/smb: 2 level of redirection
>   The 2nd benchmark is done on /mnt/beegfs: 1 level of redirection, actually
>   no SMB involved here. 

You should also test cifsfs client to Samba
server exporting a local ext4/btrfs/xfs share.

That will give you the baseline of the performance
you should expect over SMB3 without beegfs involvement.