Tom Matthews wrote: > As I understand it, the TCP or UDP recv_hiwat tunable should be roughly equal > to the bandwidth delay product ? > > For a 100Mbps link I can see that a setting of 64KB should be plenty, but > what if you have a 1Gbps link with similar latency, should I tune the > tcp_recv_hiwat up to around the 250KB mark? > (I understand the both the increased impact this has on the required memory > for the buffers and that it only relates to RFC1323-compliant systems. I'm > asking because I'm seeing NoCanPuts on a 1Gbps interface which has already > had the TCP and UDP recv_hiwat set to 64KB) > > If this is the case, is it possible to tune this variable for 100Mbps and > 1Gbps links seperately ?
I don't think it can be tuned separately, and it is a system default per socket, not per interface. However, you can tune it in your application for its socket(s). Steffen > This message posted from opensolaris.org > _______________________________________________ > networking-discuss mailing list > [email protected] _______________________________________________ networking-discuss mailing list [email protected]
