Hackathon / Multidimensional keys / Wildcard deletes

[ydnar]

+1

Memcached's protocol maps so neatly to HTTP 1.1/WebDAV.

Randy

Sent from my iPhone

On Jul 7, 2007, at 9:11 PM, Paul Querna <chip at corelands.com> wrote:

> Paul Querna wrote:
>> Dustin Sallings wrote:
>>>    There'd be indexing overhead, but you could have an O(1)
>>> invalidation if the tags themselves were versioned.
>>>
>>>    Assuming the cache time is short or you're accessing these  
>>> records,
>>> cleanup should pretty much take care of itself.
>>>
>>>    Protocol-wise, would it make sense to have the tags be additional
>>> tokens on the mutation line?  i.e.:
>>>
>>>    <command name> <key> <flags> <exptime> <bytes> [<tag> [...]]\r\n
>>
>>
>> Well, it does bring up a wider issue of protocol versioning....
>>
>> I was thinking about a more generic structure, if we ever did a  
>> protocol
>> revamp, something like:
>>
>> <command>\n
>> <meta>=<string||int>\n
>> data=<data>\m
>> END
>>
>> So, for example a SET today would be like:
>> SET
>> key=foobar
>> flags=400
>> bytes=1000
>> data=...data...
>
> And, thinking about that syntax a little more, we are just reinventing
> HTTP, so, why not make memcached's protocol v2 just be HTTP :-) ?
>
> -Paul