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Re: Re: A lot of TCP_REFRESH_UNMODIFIED after upgrading squid

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On Tue, Jun 11, 2013 at 11:21 AM, Eliezer Croitoru <eliezer@xxxxxxxxxxxx> wrote:
> On 6/11/2013 10:56 AM, Alex Domoradov wrote:
>>
>> Amos, any idea?
>>
> Just asking.
> do you understand the difference between a TCP_HIT and
> TCP_REFRESH_UNMODIFIED ??
> Looking at the wiki again it seems like it would be helpful just to see this
> specific section:
> http://wiki.squid-cache.org/SquidFaq/SquidLogs?action=fullsearch&context=180&value=TCP_REFRESH_UNMODIFIED&titlesearch=Titles#Squid_result_codes
>
> You might not understand that:
> TCP_REFRESH_UNMODIFIED is actually a HIT based on the origin server(or a
> parent proxy).
> if you have lots of TCP_REFRESH_UNMODIFIED in your log file you can tell
> your clients (in a case of only one proxy between the client and the site)
> that they get it from cache while making sure it's the file they should get
> and also the server knows that yet another client gets a good and valid
> reply.
>
> try to make a calculation of all these requests like this:
> sum of bytes that was sent to clients less the bytes that was sent on the
> 304 request from squid = you got your HIT in bandwidth length rather then
> FULL not From Wire transfer.
But in such case (with reload-into-ims and refresh_pattern) should
such requests exists at all? All I want is to ignore ALL caching
options and timestamp and always get objects directly only from cache


> Am I being clear enough or I should give you more details?
> Eliezer
enough and to spare :)

>> On Tue, May 28, 2013 at 1:00 PM, Alex Domoradov <alex.hha@xxxxxxxxx>
>> wrote:
>
> <SNIP>




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