binary protocol motivations

[Josef Finsel]

Tomash,

I can tell you why *I* vote for tags.

I voted for tags so I could quickly invalidate portions of the cache. Rather
than have to track all of the keys associated with my *foo *data, I could
tag each key with the foo tag and then do a *tagdelete foo* or something
similar and memcached would simple do a delete of the keys that match that
value.

I would agree that tag retrieval of data would be costly and I would vote
against that. I don't believe we should even be able to query a tag and get
a list of keys associated with it.

But that's just my take on tags.

Josef
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