[PVFS2-users] metadata performance

[Rob Ross]

Hi Larry,

This completely depends on the workload.  If your workload doesn't have a 
lot of metadata traffic, then one metadata server will be more than 
adequate.

If your workload spends all its time ls'ing the file system tree, then you 
would possibly want more metadata servers (if it's a *parallel* workload 
and it would help), and you would also probably want to change how data is 
distributed to cut down on the cost of file stat gathering.

Rob

On Thu, 24 Jun 2004, Larry Lines wrote:

> I am trying to optimize a cluster for high performance IO 
> and I was wondering if there is a ratio of metadata servers
> to storage nodes that would help or hinder performance.
> If I have a cluster of ten storage nodes, would it be best to have
> one metadata server or four?  Or is there any relationship
> to performance at all in the number of metadata servers in
> a cluster?