Re: Slow NFS loop performance.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Nov 23, 2012 at 04:31:55PM +0530, dE . wrote:
> Humm... The last thing I expected was no response even in the mailing list.
> 
> So I'm filing a bug on this.
> 
> On Oct 23, 2012 2:19 PM, "dE ." <de.techno@xxxxxxxxx> wrote:
> > Hi!
> >
> > Great job with NFS server, it surely is fast, but not on loop devices.
> >
> > If I loop mount a file and share the mount point over NFS3 or NFS4, the
> > write performance of the client on the loop mounted share is pretty bad.
> >
> > On a 100 Mbps (or 12.5MBps) full duplex Ethernet link, I get ~8MBps
> > speeds, whereas on the loop mounted device, I get at best 6MBps.

What exactly is your test?

--b.

> >
> > Any ideas why?
> >
> > My server configuration (NFS4) --
> > anonuid=1000,anongid=1000,**secure,no_subtree_check,rw,**fsid=0,crossmnt
> >
> > My client mount options --
> > rsize=1048576,wsize=1048576,**async,hard,timeo=60,retrans=2,**
> > actimeo=900,retry=2,**lookupcache=pos,nfsvers=4,**
> > nolock,intr,noacl,rdirplus
> >
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
--
To unsubscribe from this list: send the line "unsubscribe linux-nfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Filesystem Development]     [Linux USB Development]     [Linux Media Development]     [Video for Linux]     [Linux NILFS]     [Linux Audio Users]     [Yosemite Info]     [Linux SCSI]

  Powered by Linux