[jira] Commented: (CASSANDRA-336) Merge batchmutation types and support batched deletes

["Ryan King (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-336?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12767424#action_12767424 ] 

Ryan King commented on CASSANDRA-336:
-------------------------------------

Sounds good to me. I'll continue on.

> Merge batchmutation types and support batched deletes
> -----------------------------------------------------
>
>                 Key: CASSANDRA-336
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-336
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 0.5
>            Reporter: Evan Weaver
>            Assignee: Evan Weaver
>             Fix For: 0.5
>
>         Attachments: 336-thrift.patch, CASSANDRA-336-code.diff, CASSANDRA-336-thrift.diff, v1-0001-CASSANDRA-336.-Thrift-definition-for-batch_mutate.patch
>
>
> I need all possible mutations to be able to be bundled into a generic batchMutation, and sent as one operation.
> In the absence of database constraints, this gives you all the benefits of transactions with none of the implementation pain. All I care about is whether a bundle of updates reaches the server atomically, mitigating issues with unreliable client VMs, and allowing the client to "roll back" a set of operations by merely discarding the batch.

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