Re: writebehind slowness

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

 



Harris,

glusterfs --direct-io-mode=write-only -f /path/spec /mnt/glusterfs

avati

2007/8/2, Harris Landgarten <harrisl@xxxxxxxxxxxxx>:
>
> Avati,
>
> What mount command are you referring to?
>
> Harris
>
> ----- Original Message -----
> From: "Anand Avati" <avati@xxxxxxxxxxxxx>
> To: "Harris Landgarten" <harrisl@xxxxxxxxxxxxx>
> Cc: "gluster-devel" <gluster-devel@xxxxxxxxxx>
> Sent: Wednesday, August 1, 2007 1:03:58 PM (GMT-0500) America/New_York
> Subject: Re: writebehind slowness
>
> Harris,
> also please try with "--direct-io-mode=write-only" command line argument
> to the mount command.
>
> thanks,
> avati
>
>
> 2007/8/1 , Anand Avati < avati@xxxxxxxxxxxxx >:
>
> Harris,
> the latest TLA has some cleanups about removing redundant synchronization
> locks, which can possible affect small files. can you please confirm if the
> performance hit on small files is seen with patch-402 as well?
>
> thanks!
>
> avati
>
>
> 2007/8/1 , Harris Landgarten < harrisl@xxxxxxxxxxxxx >:
>
> time cp -av /usr/share/zoneinfo /mnt/glusterfs/test
>
> Harris
>
> ----- Original Message -----
> From: "Anand Avati" < avati@xxxxxxxxxxxxx >
> To: "Harris Landgarten" < harrisl@xxxxxxxxxxxxx >
> Cc: "gluster-devel" < gluster-devel@xxxxxxxxxx >
> Sent: Wednesday, August 1, 2007 11:03:58 AM (GMT-0500) America/New_York
> Subject: Re: writebehind slowness
>
> Harris,
> with what application did you benchmark these number?
>
> avati
>
>
> 2007/8/1 , Harris Landgarten < harrisl@xxxxxxxxxxxxx >:
>
> I am doing some very basic tests on 397.
>
> time cp -av /usr/share/zoneinfo /mnt/glusterfs/test
>
> with writebehind: 20s
>
> without writebehind: 12s
>
> Please check writebehind functionality. What test shows an improvement?
>
>
> Harris
>
>
> _______________________________________________
> Gluster-devel mailing list
> Gluster-devel@xxxxxxxxxx
> http://lists.nongnu.org/mailman/listinfo/gluster-devel
>
>
>
> --
> Anand V. Avati
>
>
>
> --
> Anand V. Avati
>
>
> --
> Anand V. Avati
>



-- 
Anand V. Avati


[Index of Archives]     [Gluster Users]     [Ceph Users]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Security]     [Bugtraq]     [Linux]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux