Re: Squid error: WARNING: failed to unpack meta data

Hi Duane,

Il 20.46 13/05/2002 Duane Wessels ha scritto:

>On Mon, 13 May 2002, Guido Serassio wrote:
>
> > Hi,
> >
> > I'm working on Async I/O port on SquidNT.
> > After two hours of polymix-1 WebPoligraph test without errors, Squid
> starts
> > to give the following error in cache.log:
> >
> > 2002/05/13 19:35:11| WARNING: failed to unpack meta data
> > 2002/05/13 19:35:18| WARNING: failed to unpack meta data
> > 2002/05/13 19:35:19| WARNING: failed to unpack meta data
> >
> > After Squid restart, in normal run, sometimes this error is logged again.
> >
> > First, what means it ?
>
>each swap file has a header of meta data: MD5, URL, part of StoreEntry.
>
>The error means that meta data was missing or corrupted
>
> > And what can be the cause, corrupt cache ?
>
>Possibly.

During the first test of NT Async I/O there was many I/O problems, and the
cache is the same ....
So, now I have cleaned the cache. I want to restart all the testing with a
healty cache.

>Or a race condition maybe.
>
>You could add some debugging to storeSwapMetaUnpack() to track it down.

Ok, this will be my second chance

Thanks.

Regards

Guido

-
=======================================================
Serassio Guido
Via Albenga, 11/4 10134 - Torino - ITALY
E-mail: guido.serassio@serassio.it
WWW: http://www.serassio.it
Received on Mon May 13 2002 - 13:06:15 MDT