[squid-users] WARNING: 1 swapin MD5 mismatches and BUG 3279: HTTP reply without Date:

[Dan Charlesworth]

Ours usually run 50–100 GB.

We don’t see it super frequently. But when it happens it tends to keep happening over and over until the swap.sate’s rebuilt.

> On 20 Mar 2015, at 2:37 pm, Alberto Perez <alberto2perez at gmail.com> wrote:
> 
> Another one here not using SMP, and using aufs.
> 
> I stopped seen this issue frequently when I reduced my cache size,
> from 70 GB to 30 GB now.
> 
> Regards
> 
> On 3/19/15, Dan Charlesworth <dan at getbusi.com> wrote:
>> Hey Eliezer
>> 
>> I don't actually use SMP. I could be wrong about the aufs thing; I haven't
>> personally tested—and don't currently plan to test—any other cache types. I
>> just gleaned that from the comments in the bug reports.
>> 
>> Kind regards
>> Dan
>> 
>> 
>> On 20 March 2015 at 13:45, Eliezer Croitoru <eliezer at ngtech.co.il> wrote:
>> 
>>> Hey Dan and John,
>>> 
>>> If indeed this bug is only for UFS\AUFS cache_dir then I would try to
>>> make
>>> sure that large-rock will not sustain the same issue.
>>> 
>>> I have not seen in any of the bug reports anything that would reproduce
>>> the issue.
>>> To make sure the issue is understood and can or cannot be reproduced
>>> using
>>> ufs\aufs will give one direction.
>>> I would try to test large rock in my next testing round with SMP but if
>>> anyone has some option to test it first I will be glad if it will be done
>>> to make sure ufs\aufs is the culprit.
>>> 
>>> Also if indeed it's with aufs\ufs only with SMP then it means that the
>>> issue is related to the way SMP can make a ufs\aufs cache_dir dirty and
>>> there for the answer would be pretty simple to the issue in hands.
>>> 
>>> Eliezer
>>> 
>>> On 20/03/2015 00:32, Dan Charlesworth wrote:
>>> 
>>>> Hi John
>>>> 
>>>> This bug has been affecting me on an off for a while as well. I believe
>>>> it
>>>> only affects aufs and, unfortunately, has been around for years.
>>>> 
>>>> See:http://bugs.squid-cache.org/show_bug.cgi?id=3279
>>>> And see:http://bugs.squid-cache.org/show_bug.cgi?id=3483
>>>> 
>>> 
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>>> 
>>