> From: André Warnier [mailto:a...@ice-sa.com]
> Subject: Re: deploy webapp to nfs shared drive
> 
> As far as I remember the beginning of this thread, the OP wants to have
> these applications autodeployed; which means that something in Tomcat
> has to watch these things, and notice when there's a newer copy
> available; which means directory reads, stats() etc...  And this is on
> an nfs drive.
> Isn't this all a quite bad idea in terms of performance, even nowadays
> ?

Depends on the polling frequency and the number of locations that have to be 
polled for the autodeployment monitoring.  Personally, I wouldn't use 
autodeploy in a production environment, even on local disks.

Haven't seen any significant performance hits using either SMB or NFS mounts on 
Linux for data that is primarily read-only (due to the file system cache).  
Network polling shouldn't be noticeably more expensive in CPU time than local 
polling, although the latency will obviously be much higher.

 - Chuck


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