[Lustre-discuss] fseeks on lustre

[Brian J. Murrell]

On Wed, 2010-04-14 at 07:08 -0500, Ronald K Long wrote:
> 
> Andreas - Here is a snipet of the strace output. 
> 
> read(3, "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0
> \0\0"..., 2097152) = 2097152 

As Andreas suspected, your application is doing 2MB reads every time.
Does it really need 2MB of data on each read?  If not, can you fix your
application to only read as much data as it actually wants?

b.

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