[Pvfs2-users] Enormous read performance degradation for large
kschoche at gmail.com
Mon Apr 23 18:45:59 EDT 2012
Hi Andrew -
Yes, thats the one. you'll want to build the tcp version (make tcp,
iirc), and then run it between your client and your server nodes to
It will bring in NPTcp or NPtcp, pretty simple to run.
On Mon, Apr 23, 2012 at 4:58 PM, Andrew Savchenko <bircoph at gmail.com> wrote:
> On Mon, 23 Apr 2012 13:42:13 -0500 Kyle Schochenmaier wrote:
>> Adding on to what Becky mentioned,
>> Can you run some netpipe tcp runs to see how your network is
>> performing, just to double/triple-check ?
>> I typically set the FlowBufferSize to something higher like 1MB (or
>> better yet, to something that aligns with netpipe's results for higher
>> bandwidth), have you tried this?-- it probably wont fix the problem,
>> but may give modestly improved results.
> There are several netpipe applications on the net. I hope you mean
> this one: http://bitspjoule.org/netpipe/
> I'll try it in a while and post results later.
> Best regards,
> Andrew Savchenko
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