This is not the whole truth. With smbclient command line tool I have the same exact problem (max 3,8MB/s).
b. On 9 February 2010 17:19, Jeremy Allison <[email protected]> wrote: > On Tue, Feb 09, 2010 at 10:25:44AM -0500, Lennart Sorensen wrote: >> On Tue, Feb 09, 2010 at 01:19:40AM +0100, Bostjan Skufca wrote: >> > Then I am greedier (if I also strive for 11MB/s:) Thanks for reminding >> > me though. >> > >> > Can/Did someone push it over 10MB/s (or 100MB/s with 1Gbps ethernet))? >> > >> > >> > To Jeremy or someone who is involved in samba as a developer: do any >> > particular kernel options influence performance of smbclient, that you >> > know of? Compile time options? Compiler version? >> >> Well I just checked what settings my NFS mount that works great is using. >> it uses: >> rw,relatime,vers=3,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,timeo=600, >> retrans=2,sec=sys,mountvers=3,mountproto=udp >> >> Now I tried different rsize values with cifs as well, but that doesn't >> seem to help (at least 64k made no improvement. Going down to 4k made >> it slower). >> >> Looking at it carefully, it turns out trying to set it over 16k gets >> ignored. Changing the option CIFSMaxBufSize on the cifs module to 130048, >> does allow using rsize up to that value, and the speed goes up to 8.3MB/s >> from 7.5MB/s. So it seems larger rsize makes it better. Given nfs uses >> 8 times larger yet and gets great speed may be a clue too. > > There are two issues here. One is the problem with the > Linux CIFSFS which you're talking about. FYI. Samba is > able to cope with single request read/write sizes up to > 16MB from a UNIX extension client (smbclient can do this) > so you might want to talk to Steve French to learn how > to turn this on. > > The second issue is the one with Windows clients. As > the redirectors are completely different, with completely > different requests and semantics I'd rather not get the > two confused in this thread. Please split out another > mailing list thread for the CIFSFS client speed issue, > so we have them clearly separated. > > Jeremy. > -- To unsubscribe from this list go to the following URL and read the instructions: https://lists.samba.org/mailman/options/samba
