Re: [squid-users] Squid3 and lots of FIN_WAIT1

From: Amos Jeffries <squid3_at_treenet.co.nz>
Date: Fri, 20 Nov 2009 00:29:53 +1300

David B. wrote:
> Hi Squid users,
>
>>>> [Snip]
>>>>
>>>> I have not seen FIN_WAIT1 before, but often see FIN_WAIT like this when
>>>> Squid is receiving a lot of connections.
>>>>
>>>> I think its due to squid using sockets for short times (non-persistent
>>>> connections) and moving on. The system TCP timeouts are much longer.
> I think i've got something.
> My LVS seems to have very very low timeout.
> So, LVS timeout TCP session too soon and client FIN & ACK can't reach
> the correct squid box, which can't close TCP session properly.
> This morning i've raised LVS timeout, and for now, FIN_WAIT1 have gone away.
> I hope this will be durable. Now, i need to monitor other time to
> confirm this.
>
> Thank you.
> David.
>

Wonderful.

Was the timeout a default LVS setting? if so what exact LVS
device/software was it so we can document the fix here.

Cheers
Amos

-- 
Please be using
   Current Stable Squid 2.7.STABLE7 or 3.0.STABLE20
   Current Beta Squid 3.1.0.14
Received on Thu Nov 19 2009 - 11:30:05 MST

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