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Re: hangs running dbench with 16 clients

To: Andi Kleen <ak@xxxxxxx>
Subject: Re: hangs running dbench with 16 clients
From: Steve Lord <lord@xxxxxxx>
Date: 19 Jun 2003 15:33:25 -0500
Cc: linux-xfs@xxxxxxxxxxx
In-reply-to: <20030619201558.GE13952@xxxxxxxxxxxxx>
References: <3EF1C932.4080706@xxxxxxxxxxxxxx> <1056034152.1772.92.camel@xxxxxxxxxxxxxxxxxxxx> <3EF1D6AA.4050200@xxxxxxxxxxxxxx> <1056037205.1773.101.camel@xxxxxxxxxxxxxxxxxxxx> <20030619195239.GB13952@xxxxxxxxxxxxx> <1056052761.1772.172.camel@xxxxxxxxxxxxxxxxxxxx> <20030619201558.GE13952@xxxxxxxxxxxxx>
Sender: linux-xfs-bounce@xxxxxxxxxxx
On Thu, 2003-06-19 at 15:15, Andi Kleen wrote:
> > The one thing missing there is kdb has all this xfs support code 
> > in it for walking data structures and formatting them up nicely.
> > I know you can do structure walks, but kdb understands a lot about
> > xfs.
> I guess you could rewrite that using gdb macros, but it would 
> be some work ;-)
> Actually I think the -mm kgdb supports remote calls, so you could do
> you could do p kdb_xfs_command() and catch the output using the 
> gdbconsole.

Ugh ugh ugh, 'In my copious free time' as the saying goes around

> > 
> > Meanwhile dbench has been running on vanilla 2.5.72 and TOT xfs for
> > several hours here without a hang.
> I can give it a try on a 4CPU box and see if sometimes turns up.

Well, I have pushed almost a Tbyte of data through dbench today
and it just keeps plugging away here. So, not much I can do here to
figure it out.



Steve Lord                                      voice: +1-651-683-3511
Principal Engineer, Filesystem Software         email: lord@xxxxxxx

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