Re: [squid-users] Re[squid-users] verse Proxy, sporadic TCP_MISS

From: Henrik Nordstrom <henrik_at_henriknordstrom.net>
Date: Mon, 05 Oct 2009 11:46:38 +0200

tis 2009-09-29 klockan 02:41 -0700 skrev tookers:
> Hello all,
>
> I'm running several Squid boxes as reverse proxies, the problem i'm seeing
> is when there are a high number of connections in the region of 80,000 per
> Squid at peak I'm getting 1,000's of TCP_MISS for the same URL hitting the
> back end servers, things do eventually sort themselves out. Is there any way
> to prevent such behaviour? I assumed with 'collapsed_forwarding on' it would
> only send a single request to the backend for new content?

It does, but if that response is not cachable for some reason then all
waiting clients will storm the server all at once..

Regards
Henrik
Received on Mon Oct 05 2009 - 09:46:43 MDT

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