Re: [PATCH 03/16] tcp: Maintain dynamic metrics in local cache.

[Eric Dumazet <eric.dumazet@xxxxxxxxx>]

On Tue, 2012-07-10 at 08:07 -0700, David Miller wrote:
> Maintain a local hash table of TCP dynamic metrics blobs.
> 
> Computed TCP metrics are no longer maintained in the route metrics.
> 
> The table uses RCU and an extremely simple hash so that it has low
> latency and low overhead.  A simple hash is legitimate because we only
> make metrics blobs for fully established connections.
> 
> Some tweaking of the default hash table sizes, metric timeouts, and
> the hash chain length limit certainly could use some tweaking.  But
> the basic design seems sound.
> 
> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
> ---

Seems to lack namespace support, or maybe I missed something ?



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