[jira] [Commented] (CASSANDRA-4542) add atomic_batch_mutate method

["Aleksey Yeschenko (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-4542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13447719#comment-13447719 ] 

Aleksey Yeschenko commented on CASSANDRA-4542:
----------------------------------------------

Batchlog columnfamily currently lives in System KS. Moving it to a separate KS would allow disabling commitlog for batchlog writes, but I'm not sure that's a good idea.
Also, I probably shouldn't wait for writes to complete in StorageProxy#removeFromBatchlog (should remove handler.get() call).
                
> add atomic_batch_mutate method
> ------------------------------
>
>                 Key: CASSANDRA-4542
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4542
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: API, Core
>            Reporter: Jonathan Ellis
>            Assignee: Aleksey Yeschenko
>             Fix For: 1.2.1
>
>         Attachments: CASSANDRA-4542-4544.diff, CASSANDRA-4542-and-CASSANDRA-4544-v2.patch, CASSANDRA-4542.patch
>
>
> atomic_batch_mutate will have the same parameters as batch_mutate, but will write to the batchlog before attempting distribution to the batch rows' replicas.

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