surya prakash wrote:
HI,
    I am not using any encrypted file systems ,it is normal one only if it
is problem with file system in the case of Asynchronous durable sending
will be fast but receiving should be slow that is not happening. Some thing
else i am missing only the case synchronous durable i need in my project
,Please give me one solution for this if it is solved means i can complete
my project.

Best Regards,
surya

So are you saying that you are definitely using a local, non-encrypted, non-networked bog standard ext3 file system (it is a linux build of Qpid you're runningi isn't it?). The persistent results I posted earlier were on my laptop using its internal IDE drive and my non persistent results were largely comparable to yours - sounds like Gordon is seeing similar results on his laptop.

Without knowing more about your set-up I'm stumped. have you checked dmesg etc. to rule out a flaky disk? Have you got access to another host to see if you can reproduce the test there? Is it a physical host you are using or a virtual machine?

What other activity is going on on the filesystem you're writing to - presumably you've checked that there is no other I/O going on when you're running your test? What is top saying as you're running the test with strange results?

Frase


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