[Pvfs2-developers] Does this look right?

Scott Atchley atchley at myri.com
Wed Jan 3 08:22:21 EST 2007


On Jan 3, 2007, at 8:03 AM, Scott Atchley wrote:

> For each case below, I am copying a ~256 MB (267925569 bytes) file  
> using pvfs2-cp. I start the server just prior to initiating the  
> copy. I am using a FlowBufferSizeBytes of 1 MB.
>
> The match info can be broken down as follows:
>
> First 4 bits are message type - 0xe is Expected message (unexpected  
> use 0xd)
> Next 8 bits are reserved
> Next 20 bits are for peer id. In this case, peer 1.
> Last 32 bits are the tag.
>
> Scott

I experimented with different FlowBufferSizeBytes (F) and different - 
b (B) values passed to pvfs2-cp. If F == B, then I do not see any  
early expected messages for values of 1M, 4M, 16M. If F != B, then I  
see some, but not always all, early expected messages.

Scott


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