Hackathon / Multidimensional keys / Wildcard deletes
sgrimm at facebook.com
Sat Jul 7 21:22:21 UTC 2007
Me too. This seems like a more flexible approach than simple (?)
multidimensional keys. Definitely a good candidate for the hackathon.
On 7/7/07 5:17 AM, "Clint Webb" <webb.clint at gmail.com> wrote:
> I like this idea.
> On 7/6/07, Jan Miczaika <jan at hitflip.de> wrote:
>> I saw these proposed features for the Hackathon. Unfortunately I can't take
>> in person, wrong continent for me.
>> I would like to suggest a feature which would probably address these issues
>> well: tagging keys. Each key would have 0...n tags assigned to
>> it. Flushing keys could be done by asking memcached to flush all keys with a
>> certain tag.
>> The usage scenario: lets say we have a DVD. We have a number of keys related
>> to this dvd, maybe recommendations, comments, categorization
>> etc. I could tag each of these keys with the id of the DVD (dvd:1234). Then I
>> would tell memcached to flush all keys with the tag dvd:1234,
>> causing the database to recalculate all data relating to dvd 1234 on the next
>> Zend implemented similar functionality in their new framework:
>> The wildcard deletes could be done this way, more efficiently than looping
>> through the whole cache to see if a regex matches. Multidimensional arrays
>> could be partially simulated by using tags.
>> I hope someone is interested ;-)
>> Geschäftsführer / Managing Director
>> Hitflip Media Trading GmbH
>> Gürzenichstr. 7, 50667 Köln
>> www.hitflip.de <http://www.hitflip.de> - new: www.hitflip.co.uk
>> Tel. +49-(0)221-272407-27
>> Fax. 0221-272407-22 (that's so 1990s)
>> HRB 59046, Amtsgericht Köln
>> Geschäftsführer: Andre Alpar, Jan Miczaika, Gerald Schönbucher
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