[squid-users] Cache index (swap.state) corruption when enabling/disabling SSLBump?

Stanford Prescott stan.prescott at gmail.com
Sat Jun 20 00:27:23 UTC 2015


Thanks, Amos. I will look into that.

On Fri, Jun 19, 2015 at 7:21 PM, Amos Jeffries <squid3 at treenet.co.nz> wrote:

> On 20/06/2015 9:46 a.m., Stanford Prescott wrote:
> > I have a working SSLBump configuration with Squid 3.5.4. It seems that
> > sometimes, if switching from HTTPS caching to only HTTP caching the cache
> > becomes corrupted requiring deleting the swap.state file and recreating
> it
> > by rebuilding the cache directories.
> >
> > Has anyone else seen this? If so, has anyone found a fix that will
> prevent
> > this from happening?
>
> That is very strange. The cache has nothing to do with HTTPS vs HTTP.
> All inputs and outputs are just URI+object with a hashe.
>
> It dont matter if its http:// or https:// or ftp:/ or gopher:// or
> whois:// ... its just a URI with a binary object attached.
>
>
> I suspect you are probably encountering object corruption from in
> incomplete shutdown/restart process. This can happen if there is a big
> object in transit at the time, or if you set shutdown_timeout to a
> small value, or used kill -9 to stop Squid.
>
> Amos
>
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