Messages in this thread |  | | Date | Thu, 11 Oct 2001 12:55:38 -0700 | From | Simon Kirby <> | Subject | Re: Really slow netstat and /proc/net/tcp in 2.4 |
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On Thu, Oct 11, 2001 at 11:30:25PM +0400, kuznet@ms2.inr.ac.ru wrote:
> Hello! > > > Is there something that changed from 2.2 -> 2.4 with regards to the > > speed of netstat and /proc/net/tcp? > > Incredibly high size of hash table, I think. > At least here size is ~1MB. And all this is read each 1K of data read > via /proc/ :-)
So it's walking the hash table per block read, and the hash table is very large? Hmm. I notice it's a bit faster if I use dd if=/proc/net/tcp of=/dev/null bs=1024k, but not much.
Is it possible to fix this? Was the 2.2 hash table just that much smaller?
Simon-
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