[Stgt-devel] [PATCH 1/1] iscsi tcp nodelay

Bart Van Assche bart.vanassche
Fri Feb 8 14:52:12 CET 2008

On Feb 8, 2008 3:05 AM, FUJITA Tomonori <fujita.tomonori at lab.ntt.co.jp> wrote:
> Yeah, this is a must-have trick for low latency. IET has the same
> trick but somehow I forgot to add this to tgt.

I have retested tgt-20071227 with the TCP_NODELAY patch on an 1GB/s IB
network with a RAM disk target. For realistic block transfer sizes (<=
64 KB) latency is unchanged and throughput improved slightly (5% for
reads and 9% for writes).

Bart Van Assche.

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