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From Jonathan Ellis <>
Subject Re: Implementing locks using cassandra only
Date Mon, 13 Sep 2010 17:50:30 GMT
Bakery algorithm is really interesting -- AFAIK it's the only mutex
algorithm that doesn't assume an existing atomic operation like CAS.

On Mon, Sep 13, 2010 at 11:46 AM, Thorsten von Eicken
<> wrote:
> I've been musing about how to implement locks using just cassandra, i.e.
> without sql db or zookeeper. I wrote up what I've come up with on the wiki
> (it's a bit too long for an email) at
> <>. I'm wondering whether I've
> overlooked something, especially I'm not yet comfortable enough with the
> semantics of failing cassandra write operations to figure out whether these
> can cause problems, so I suspect some further iterations on the algorithm
> will be necessary.

Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support

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