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different FD_SETSIZE on a remote than a local disk?
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different FD_SETSIZE on a remote than a local disk?


  • Subject: different FD_SETSIZE on a remote than a local disk?
  • From: email@hidden
  • Date: Sun, 12 Mar 2006 09:49:29 -0800

Hello, all ...

In my kqueue / kevent tests, i'm seeing how many events I can process per second. However, i'm now trying to run the client (a simple Perl script that touches 1000s of files that the C++ server is monitoring qith kqueue / kevent) on a separate pooter, so I can get a better feel for how high I can scale the server.

However, i'm running into a problem -- the C++ server can create the test files (i've successfully tested up to 10000 of them on my 1.5ghz 12" PowerBook, and it can go much higher than that I think) fine on the local disk, but when trying to do so on a remote disk (my dual 2ghz G5, across AE), it can't make any more than 1248. This is with the filedescriptor limit set to 10000 (via /bin/csh limit), so it appears that the filedescriptor limit that csh sets isn't honored on a remote disk.

Is this true, or am I not understanding completely what's going on?

Regards,

John

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