Hackathon / Multidimensional keys / Wildcard deletes
webb.clint at gmail.com
Sat Jul 7 12:17:52 UTC 2007
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 access.
> 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 ;-)
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