Hi all!
I recently upgraded my LAN to gigabit, but so far it's been a disappointment. It really isn't much faster than it used to be...
If I fetch a large file from my proftpd server I get about 11 MB/s, and the same file from apache about 15 MB/s. I was hoping for at least twice that.
The server is a P3-733 and the workstation is a XP1600+, and they are directly connected with a shielded CAT6 cable and two Intel PRO/1000MT NIC's. I use the 4.4.19 driver from Intel. The cpu load is about 75-80% on the server when I fetch the files and I get pretty much the same results with and without jumbo frames.
Is this all I can expect to get? Isn't 75-80% cpu load a bit much?
I would really appreciate some input from you all. I strongly suspect I swallowed the gigabit hype hook line and sinker...
/P�r.
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My personal experience is that on two IBM 305 gigabit Px2GHz servers using something like
dd if=/dev/zero | nc slave 1234 on master
and nc -l -p 1234 | dd of=/dev/null on slave
so no hard disk bottleneck
We had not more than 60Mb/sec with a 100% CPU utilization (35Mb sec on real disk access) and I'm sure these servers has PCI66 at 64bits called XPCI.
So bottleneck is now CPU !
A.Gagliardi Euronia srl Verona Italy www.euronia.it
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