[jira] [Updated] (CASSANDRA-8754) Required consistency level

["Jeremy Hanna (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-8754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jeremy Hanna updated CASSANDRA-8754:
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    Labels: LWT ponies  (was: ponies)

> Required consistency level
> --------------------------
>
>                 Key: CASSANDRA-8754
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8754
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Ryan Svihla
>            Priority: Major
>              Labels: LWT, ponies
>
> Idea is to prevent a query based on a consistency level not being met. For example we can specify that all queries should be at least CL LOCAL_QUORUM.
> Lots of users 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 strategy.



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