Initial NFS Test: Linux vs FreeBSD (769% slower)

Marc G. Fournier scrappy at hub.org
Mon Apr 29 23:45:11 UTC 2013


> 
> If you want, you can email me startup.pcap as an attachment and I'll take
> a look, but wireshark is pretty good at spotting TCP retransmits, etc.

'k, at 4.x Gig in size, doubt your mail server will handle me sending this to you :)  Even compressed, it was going over 400M … I can if you want it though …

Baring that, if you want to give me pointers as to what I should be looking for?  I have Wireshark installed / and the startup.pcap data loaded … the only thing that is jumping out at me is a bunch of lines where 'Length' is 32982 while most are 218 … highlighted in 'black background, red font' … for example:



i am doing a bzip2 compressed file right now, and will make it available via HTTP, if you are interested …


> The only other thing I can suggest is taking the "soft,intr" options off
> your mount and see if that has any effect. Maybe some syscall is returning
> EINTR and confusing jboss?

Tried removing soft,intr … no change, still around 240s …



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