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supporting set semantics

2 replies [Last post]
Mon, 07/12/2010 - 12:03
Peter vR
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Joined: 07/12/2010
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hi

i'm curious if you are planning to support atomic set semantics (ie, list operations) on the values in key,value pairs in membase? going beyond memcached cas style operation and supporting full list operations for instance:

[CODE]
client.get(key).add(some value)
client.get(key).contains(some value)
[/CODE]

a few other quick questions:

[LIST]
[*]when do you plan on supporting memcached cas style operation?
[*]are you planning on adding support for updating multiple keys atomically?
[/LIST]

thanks
peter

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Mon, 07/12/2010 - 12:52
Perry Krug
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Joined: 06/02/2010
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Thanks Peter!

We're definitely looking into and considering adding these sorts of features. It will all be based upon customer need, and it's great that you're already asking the question. I can't promise it will be available in the very near future, but definitely being considered. When and if we do it, we'll want to do so with the focus of the rest of the system: that it's consistent, high performance and can scale.

As far as CAS goes, we already support that within Membase. There is an open bug around using CAS in conjunction with incr/decr, but it should be fully supported otherwise.

Hope that answers your questions, let me know if there's anything else I can do.

Thanks!

Perry

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Tue, 08/16/2011 - 02:23
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