Re: tuning of LVS director for heavy traffic

To: khiz nms <khiznms@xxxxxxxxxxxxxx>
Subject: Re: tuning of LVS director for heavy traffic
Cc: "'lvs-users@xxxxxxxxxxxxxxxxxxxxxx'" <lvs-users@xxxxxxxxxxxxxxxxxxxxxx>
From: Julian Anastasov <ja@xxxxxx>
Date: Tue, 29 Jan 2002 13:04:29 +0200 (EET)

On 29 Jan 2002, khiz  nms wrote:

> Hi All
>  before deploying an LVS director , are  there any  tuning
> recommendations for a linux Box, something in terms of the TCp/IP stack
> or general networking
> i run a squid box (physically different)  and some times i get
> 'dst cache overflow' messages and the network just freezes..or ' out of
> buffer space' messages
> i want to avoid all such errors for the LVS director. considering that
> it will be handling fairly heavy traffic

        Then you will have the same error message with LVS. You
need to increase the size of the routing cache hash table and
its related parameters. No need for tuning the socket memory space.
May be you can specify some CPU affinity for the network devices (2.4),
may be this can help.

> hoping for some good advice from the gurus out here
> Khiz


Julian Anastasov <ja@xxxxxx>

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