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From "Tupshin Harper (JIRA)" <>
Subject [jira] [Commented] (CASSANDRA-8754) Required consistency level
Date Fri, 06 Feb 2015 17:38:35 GMT


Tupshin Harper commented on CASSANDRA-8754:

-1 on cluster level (too limiting, IMO), but big +1 for table level restrictions of CL

> Required consistency level
> --------------------------
>                 Key: CASSANDRA-8754
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Ryan Svihla
> Idea is to prevent a query based on a consistency level not being met.
> Lots of customers struggle with getting all their dev teams on board with consistency
levels and all the ramifications. The normal solution for this has traditionally to build
a service in front of Cassandra that the entire dev team accesses. However, this has proven
challenging for some organizations to do correctly, and I think an easier approach would be
to require a given consistency level as a matter of enforced policy in the database. 
> I'm open for where this belongs. The most flexible approach is at a table level, however
I'm concerned this is potentially error prone and labor intensive. It could be a table attribute
similar to compaction strategy.
> The simplest administratively is a cluster level, in say the cassandra.yaml
> The middle ground is at they keyspace level, the only downside I could foresee is keyspace
explosion to fit involved minimum schemes. It could be a keyspace attribute such as replication

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