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High Performance Computing Message Passing Interface (MPI) programming and tuning, MPI library installation and management, parallel administration tools, cluster monitoring, cluster optimization, and more HPC topics.

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Old 08-11-2009
gaspol gaspol is offline
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sharing web files via NFS mount
I'm planning to load balance 2 web servers. I'm considering mounting an NFS share between the 2 servers so they can share the data. My question is: does this setup offset some of the benefits of load balancing? although there are 2 web servers, they both still access a single NFS server. Wouldn't this cause load issues on the NFS server?
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Old 08-14-2009
jim mcnamara jim mcnamara is offline Forum Staff  
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You are correct - whatever box is exporting the NSF link will be doing the work for all requests from both web servers. The NSF box then becomes a point of resource contention if I/O is high enough.
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Old 08-27-2009
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reborg reborg is offline Forum Staff  
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Up to a point, but you need to bear in mind also the effect of client and server side caches. If the client has frequent access to files then the performance will probably still be better for end users this way.
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