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From: "Matthew E. Kennedy" <matt.kennedy@spadac.com>
To: "user@cassandra.apache.org" <user@cassandra.apache.org>
Date: Thu, 3 Feb 2011 14:13:33 -0500
Subject: Re: Using a synchronized counter that keeps track of no of users on
 the application & using it to allot UserIds/ keys to the new users after
 sign up
Thread-Topic: Using a synchronized counter that keeps track of no of users
 on the application & using it to allot UserIds/ keys to the new users after
 sign up
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Unless you need your user identifiers to be sequential for some reason, I w=
ould save yourself the headache of this kind of complexity and just use UUI=
Ds if you have to generate an identifier.

On Feb 3, 2011, at 2:03 PM, Aklin_81 wrote:

> Hi all,
> To generate new keys/ UserIds for new users on my application, I am
> thinking of using a simple synchronized counter that can keep track of
> the no. of users registered on my application and when a new user
> signs up, he can be allotted the next available id.
>=20
> Since Cassandra is eventually consistent, Is this advisable to
> implement with Cassandra, but then I could also use stronger
> consistency level like quorum or all for this purpose.
>=20
>=20
> Please let me know your thoughts and suggesttions..
>=20
> Regards
> Asil