NFS Performance issue against NetApp

[Chuck Burns]

So, wait.. you're comparing a jail-over-nfs to.. what? linux doesnt have
jails, so you aren't really making a fair comparison here.


On Fri, May 3, 2013 at 3:29 PM, Marc G. Fournier <scrappy at hub.org> wrote:

>
> On 2013-05-02, at 17:39 , Adam McDougall <mcdouga9 at egr.msu.edu> wrote:
>
> > My understanding of jboss is it unpacks your war files (or whatever) to
> a temp deploy dir but essentially tries to run everything from memory.  If
> you replaced a war file, it would usually undeploy and redeploy.  Is your
> jboss extracting the archives to an NFS dir or can you reconfigure or
> symlink it to extract to a local temp dir when starting up?  I can't
> imagine offhand why it might be useful to store the temp dir on NFS.  I
> would think most of the writes at startup would be to temp files that would
> be of no use after the jboss java process is stopped.
>
> Unless I've missed something, jboss extracts the war when you do the
> deploy, so subsequent restarts just use the extracted files and shouldn't
> be slowed down by those writes … there are no other temp files that I'm
> aware of … but, in this case, the problem is that we're running jboss
> within a jail'd environment, and the jail is sitting on the NFS server, so
> moving pieces of it to local drives isn't particularly feasible …
>
>
>
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