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From Luís Ferreira (JIRA) <>
Subject [jira] [Commented] (CASSANDRA-2686) Distributed per row locks
Date Mon, 23 May 2011 14:33:47 GMT


Luís Ferreira commented on CASSANDRA-2686:

Is there any way to do this? Can a consensus be achieved between the nodes responsible for
a key? Maybe by creating a new kind of column that would have write once properties, and by
using something like hinted handoff of locks if a node is down at the time of locking.

I am going to try to implement this. But it would be really good to get some ideas on how
to do it.

> Distributed per row locks
> -------------------------
>                 Key: CASSANDRA-2686
>                 URL:
>             Project: Cassandra
>          Issue Type: Wish
>          Components: Core
>    Affects Versions: 0.7.4
>         Environment: any
>            Reporter: Luís Ferreira
>              Labels: api-addition, features
> Instead of using a centralized locking strategy like cages with zookeeper, I would like
to have it in a decentralized way. Even if it carries some limitations. 

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