[jira] Commented: (CASSANDRA-300) Enumerate useful consistency options for read/write calls

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12733609#action_12733609 ] 

Jonathan Ellis commented on CASSANDRA-300:
------------------------------------------

see also CASSANDRA-232

> Enumerate useful consistency options for read/write calls
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-300
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-300
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Michael Greene
>
> Currently, a user has to specify an int for the number of nodes to block_for.  As discussed on IRC, there are only a few options that a user would want, so this would be better encapsulated by an enum.
> enum  ConsistencyLevel {
>     ZERO = 0,
>     ONE = 1,
>     QUORUM = 2,
>     ALL = 3,
> }
> This could be extended with a fifth option, CUSTOM = 4, if custom specifications are desired
> struct ConsistencyRequest {
>     1: required ConsistencyLevel level,
>     2: optional int nodes
> }

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