[prev in list] [next in list] [prev in thread] [next in thread] 

List:       lustre-discuss
Subject:    Re: [lustre-discuss] slow write performance from client to server
From:       Riccardo Veraldi <Riccardo.Veraldi () cnaf ! infn ! it>
Date:       2018-10-16 23:44:51
Message-ID: a1faa3fd-6269-cd9d-9087-987071ae233b () cnaf ! infn ! it
[Download RAW message or body]

On 10/16/18 5:54 AM, Peter Jones wrote:
> Have you tried running 2.10.5 on a RHEL6 client?

hello, sorry I did not do that but I think it is my next option.


> On 2018-10-16, 2:13 AM, "lustre-discuss on behalf of Riccardo Veraldi" \
> <lustre-discuss-bounces@lists.lustre.org on behalf of \
> Riccardo.Veraldi@cnaf.infn.it> wrote: 
> On 10/16/18 2:08 AM, George Melikov wrote:
> > Please post your benchmark method.
> 
> my benchmark method is by using bbcp.
> 
> lustre clients 2.10.5 on RHEL7  are fast (1.1GB/s) while RHEL6 clients
> using 2.8.0 perform very poorly (2MB/s)
> 
> 
> > 
> > ____________________________________
> > Sincerely,
> > George Melikov,
> > Tel. 7-915-278-39-36
> > Skype: georgemelikov
> > 
> > 
> > 16.10.2018, 12:03, "Riccardo Veraldi" <riccardo.veraldi@cnaf.infn.it>:
> > > On 10/15/18 4:59 PM, Alexander I Kulyavtsev wrote:
> > > > You can do a quick check with 2.10.5 client by mounting lustre on MDS if you \
> > > > do not have free node to install 2.10.5 client. 
> > > > Do you have lnet configured with IB or 10GE? LNet defaults to tcp if not set. \
> > > > Can it be you are connected through slow management network? 
> > > > Alex.
> > > hi, my lnet is configured with both IB and 10GE. it is using IB I
> > > verified it and anyway performance is very slow even if it where just
> > > using tcp on 10GE
> > > 
> > > since I only get 2MB/s
> > > 
> > > thanks
> > > 
> > > > On 10/15/18, 6:41 PM, "lustre-discuss on behalf of Riccardo Veraldi" \
> > > > <lustre-discuss-bounces@lists.lustre.org on behalf of \
> > > > Riccardo.Veraldi@cnaf.infn.it> wrote: 
> > > > Hello,
> > > > 
> > > > I have a new Lustre FS version 2.10.5. 18 OSTs 18TB each on 3 OSSes.
> > > > 
> > > > I noticed very slow performances couple of MB/sec when RHEL6 Lustre
> > > > clients 2.8.0 are writing to the fielsystem.
> > > > 
> > > > Could it be a Lustre version problem server vs client ?
> > > > 
> > > > I have no errors either on server or client side that can debug it
> > > > further...
> > > > 
> > > > thanks
> > > > 
> > > > Rick
> > > > 
> > > > _______________________________________________
> > > > lustre-discuss mailing list
> > > > lustre-discuss@lists.lustre.org
> > > > https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.lustre.org_listinfo. \
> > > > cgi_lustre-2Ddiscuss-2Dlustre.org&d=DwIGaQ&c=gRgGjJ3BkIsb5y6s49QqsA&r=23V5nhLj \
> > > > 03jeTboyg6QveA&m=ABK5Lf73Df1JeZ-ryuh87ds4a5qoTk1gcookZ1auOuU&s=3gW-gvhmg4r0oQv3isx4u1P2TBHOzyDeFC-MZoxR68Y&e=
> > > > 
> > > _______________________________________________
> > > lustre-discuss mailing list
> > > lustre-discuss@lists.lustre.org
> > > http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
> 
> 
> _______________________________________________
> lustre-discuss mailing list
> lustre-discuss@lists.lustre.org
> http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org
> 
> 

_______________________________________________
lustre-discuss mailing list
lustre-discuss@lists.lustre.org
http://lists.lustre.org/listinfo.cgi/lustre-discuss-lustre.org


[prev in list] [next in list] [prev in thread] [next in thread]