<snip> > > My suspicion is that tshark is missing some replies. Either the packet > > loss counters are wrong, or tshark is failing to identify RPC replies > > that start in the middle of a tcp segment? I seem to recall seeing that > > before. > > Yes - I had wondered about that and I will modify my own code to verify > if this is the case. > > I *assumed* that tcpdump or wireshark already did this! I guess it just > expects application protocols to be aligned to the TCP boundary. I have (rather rushed to be honest) written some code that scans the entire TCP segment captured for a record fragment marker and I still see the same results - very few replies for a great many calls. Still at a loss (pun intended ;) Jim > Thanks for your help so far. > > Jim > > > --b. > > > > > The IBM and Oracle websites also have some > > > info but not much. I have found nothing that enables > > > me to identify batched requests (or rather the replies for a batch) in > > > the protocol itself. Wireshark seems unable to do this also. > > > > > > I realise this is a bit off-topic but I was hoping someone might be able > > > to point me in the right direction? Am I barking up the wrong tree? Is > > > this behaviour expected - am I unable to match calls to replies when > > > batching is used? The IBM website suggests; > > > > > > 'Batching assumes the following: > > > > > > Each remote procedure call in the pipeline requires no response from the > > > server, and the server does not send a response message.' > > > > > > This sounds a bit awkward! It then goes on to suggest that; > > > > > > 'The remote procedure call's time out must be 0' > > > > > > For batched calls. But there is no call timeout in the RPC protocol > > > right? Again, this must be up to the client implementation I suspect? > > > > > > Any help appreciated. > > > > > > Regards, > > > > > > Jim > > > > > > PS. I may well join the Linux RPC mailing list and direct this question > > > at them instead. > > > > > > -- > > > Senior Software Engineer > > > Systems Development > > > Framestore > > > > > > > > > -- > > > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- Software Engineer Systems Development Framestore -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
