It just does not do delta's between client and DP. never has and I doubt
never will.

As soon as the content does not have a valid advertisement and 24 hours has
passed it gets marked as tombstoned. you can alter the tombstone value (in
07) in the site control file (never tried in 12)

when the cache is full it deletes the oldest tombstoned items first.

in cm12 if you have it marked "Persist content in cache" (per package
setting) then all bets are off. no idea if or when it ever marks it as
tombstoned


On Tue, May 6, 2014 at 3:15 PM, Jeremy Sihassen
<[email protected]>wrote:

> Hi Bradley,
>
> the cache is managed entirely by SCCM.
> Once cache provisioned space is reached then sccm agent deletes some old
> cache to get enough space for the newly advertised one.
>
> I have no clue why the old cache is kept. The only way i see where a
> package will regain its old version number would be if you restore the
> entire hierarchy from an old backup.
>
>
> 2014-05-02 18:30 GMT+02:00 Beardsley, James <[email protected]>:
>
>>  Question about the local cache. The common scenario I run into (common
>> for me at least) is I have an app that I push out to a machine and it
>> downloads to cache. Then I realize I need to make a change to the install
>> script for example so I update the content to include the new version of
>> the install script (rest of the files stay the same). As you know, it
>> creates a new cache folder for the new version that’s identical to the old
>> version, just the script file has been updated. Why wouldn’t it just update
>> the one file that has changed in the existing cache folder? Seems to me
>> that this is just needlessly taking up extra space. Especially if the app
>> is several hundred MB, not only does it take extra time to re-download the
>> entire package source but it would also require double the hdd space. It
>> did that in 2007 as well (correct me if I’m wrong) so I guess I’m just
>> curious if anyone knows the reasoning behind that – maybe I’m not thinking
>> of something. What’s the logic for keeping old versions of cache if its
>> never going to be used again? And also, is there a way to programmatically
>> remove the cache folder for an old version? Or does it do that on its own
>> after a certain period of time?
>>
>>
>>
>> Thanks,
>>
>> *James Beardsley | *Firm Technology Group
>>
>> Dixon Hughes Goodman LLP
>>
>>
>>
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