Re: Stackable file systems and NFS

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

 



Try mounting with noac nfs mount option to disable attribute caching.

ac / noac

"Selects whether the client may cache file attributes. If neither
option is specified (or if ac is specified), the client caches file
attributes."

-Rajat

On Tue, Aug 14, 2012 at 3:51 PM, Mulyadi Santosa
<mulyadi.santosa@xxxxxxxxx> wrote:
>
> Hi Ranjan...
>
> On Tue, Aug 14, 2012 at 5:10 PM, Ranjan Sinha <rnjn.sinha@xxxxxxxxx> wrote:
> > For now, /etc/export file has the following setting
> > *(rw,sync,no_root_squash)
>
> hm, AFAIK that means synchronous method is selected. So,
> theoritically, if there is no further data, the other end of NFS
> should just wait.
>
> Are you using blocking or non blocking read, btw? Sorry, i am not
> really that good reading VFS code...
>
> > On client side we have not specified any options explicitly. This is
> > from /proc/mounts entry
> > >rw,vers=3,rsize=32768,wsize=32768,hard,proto=tcp,timeo=600,retrans=2,sec=sys
>
> hm, not sure, maybe in your case, read and write buffer should be
> reduced so any new data should be transmitted ASAP. I was inspired by
> bufferbloat handling, but maybe I am wrong here somewhere....
>
>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer and consultant
>
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
>
> _______________________________________________
> Kernelnewbies mailing list
> Kernelnewbies@xxxxxxxxxxxxxxxxx
> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies

_______________________________________________
Kernelnewbies mailing list
Kernelnewbies@xxxxxxxxxxxxxxxxx
http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies


[Index of Archives]     [Newbies FAQ]     [Linux Kernel Mentors]     [Linux Kernel Development]     [IETF Annouce]     [Git]     [Networking]     [Security]     [Bugtraq]     [Yosemite]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux SCSI]     [Linux ACPI]
  Powered by Linux