Hi, These results are quite interesting and the possible throughput you get with IB is amazing. However, I think you get into trouble to find the bottleneck of the operation and the reason for the observed gaps due to the complexity of the software stack.
Maybe you could benefit from using TAS instead of DBPF so that you could avoid network activity at all. (Also you might use only one buffer to already fill the network). On the other hand you could use the pvfs2-hint-branch which provides you with better MPE logging on the server side, we have some tools to convert and merge client and pvfs2-server logs and show the results. I could upgrade the current pvfs2-hint-branch with your patches (which is currently somewhere at release 2.5). The reason we need parts of the advanced logging is that logs have a problem on the server side if multiple start events occur before the end events happen, for example if you use multiple flow streams. @Scott I have seen you solved it by using events and wonder which tool you have used to create states out of the events. You said you have problems with the MPE log on the server, maybe we could help you if you give details ? Best regards, Julian _______________________________________________ Pvfs2-developers mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-developers
