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Re: route cache GC monitoring

To: Robert.Olsson@xxxxxxxxxxx (Robert Olsson)
Subject: Re: route cache GC monitoring
From: kuznet@xxxxxxxxxxxxx
Date: Fri, 26 Apr 2002 19:25:50 +0400 (MSD)
Cc: davem@xxxxxxxxxx, hadi@xxxxxxxxxx, netdev@xxxxxxxxxxx, jensl@xxxxxxxxxxxx
In-reply-to: <15561.20004.964497.762468@xxxxxxxxxxxx> from "Robert Olsson" at Apr 26, 2 02:55:00 pm
Sender: owner-netdev@xxxxxxxxxxx

> We like to propose four new stats. counters to monitor the garbage process 
> of route cache. This should be useful for tuning and debugging installations 
> which have a large number of flows.


> Tuning is another business but we have played with max_size and gc_thresh
> there are more tuning knobs.

There exist one more interesting parameter: gc_elasticity,
which is supposed to control length of hash bucket.


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