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Date: Fri, 26 Oct 2007 08:55:30 -0700 From: akepner@....com To: Jean Delvare <jdelvare@...e.de> Cc: netdev@...r.kernel.org, Andi Kleen <ak@...e.de>, Robert.Olsson@...a.slu.se Subject: Re: [PATCH] net: Saner thash_entries default with much memory On Fri, Oct 26, 2007 at 05:21:31PM +0200, Jean Delvare wrote: > .... > This is just one way to limit the hash size, there are others; I am not > familiar enough with the TCP code to decide which is best. Thus, I > would welcome the proposals of alternatives. > Yeah, the existing way of sizing them is very bad on large systems and hardcoding a size sucks (though that's what we do on large Altix systems now). IIRC there was some talk about using a different data structure here - something that wouldn't require a fixed size and that could maintain reasonably fast lookup even when it got large. Robert, has work been done to use TRASH to address this problem? Other ideas? -- Arthur - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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