From: Lars Ellenberg Date: Tue, 25 May 2010 12:23:57 +0000 (+0200) Subject: drbd: improve network latency, TCP_QUICKACK X-Git-Tag: v2.6.35-rc2~12^2~16 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=344fa462e3246bd102059ccc3c59deef416676dd;p=pandora-kernel.git drbd: improve network latency, TCP_QUICKACK On Thu, Apr 29, 2010 at 04:00:50PM -0400, Eduard.Guzovsky@stratus.com wrote on drbd-dev@lists.linbit.com Subject: [Drbd-dev] DRBD small synchronous writes performance improvements > 1. TCP_QUICKACK option is set incorrectly. The goal was force TCP to > send and ACK as a "one time" event. Instead the code permanently sets > connection in the QUICKACK mode. He is right, we actually want to use an even val with TCP_QUICKACK. Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg Signed-off-by: Jens Axboe --- Reading git-diff-tree failed