Re: AW: Aw: [squid-users] Running two squid3 process, Why?

From: Henrik Nordstrom <henrik_at_henriknordstrom.net>
Date: Tue, 04 Aug 2009 14:07:55 +0200

tis 2009-08-04 klockan 10:56 +0200 skrev Zeller, Jan:
> Hi all,
>
> would like to know if from user perspective the signal 6 will have a significant http service interruption.
> I've tested this with wget and sent a kill -6 to the child process and to my surprise wget was still downloading without any service interruption.

Why signal 6?

I don't see how wget would have surived that if it was using the proxy..

> How would loadbalancers handle this behaviour ? Do they notice this signal 6 ?

Signal 6 forces an unexpected restart, temporarily stopping the whole
service.. very intrusive.

> By the way is signal 6 really
>
> $ kill -l
> 6) SIGABRT ?

Yes.

It's much better if you use the "squid -k ..." functions to communicate
with Squid than using kill manually..

Regards
Henrik
Received on Tue Aug 04 2009 - 12:08:17 MDT

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