Comment 10 for bug 471512

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uvi (vladimir-umnov) wrote :

This problem still present in 10.10.

I discovered cifs module parameter
parm: CIFSMaxBufSize:Network buffer size (not including header). Default: 16384 Range: 8192 to 130048 (int)
But really it defaults to 4096.

I created /etc/modprobe.d/cifs.conf with
options cifs CIFSMaxBufSize=130048

Also I used cifs mount options rsize=130048,wsize=130048.

After setting rsize to max 130048, performance increases!