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https://issues.apache.org/jira/browse/CASSANDRA-7047?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13973716#comment-13973716
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Aleksey Yeschenko commented on CASSANDRA-7047:
----------------------------------------------
Oh, well. Cleaned up TriggerExecutorTest, and only then realized that something
is wrong (by TriggerExecutorTest diff being all green and lacking the license
header).
We already have TriggersTest.java. Can you move the tests there? (and rewrite
them to match the style of the tests there, too?)
Thanks.
> TriggerExecutor should group mutations by row key
> -------------------------------------------------
>
> Key: CASSANDRA-7047
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7047
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Sergio Bossa
> Assignee: Sergio Bossa
> Attachments: 7047-v2.txt, CASSANDRA-7047.patch
>
>
> TriggerExecutor doesn't currently group mutations returned by triggers even
> if belonging to the same row key: while harmful per se (at least, I think
> so), this is definitely a performance problem, because each mutation is a
> *cluster* mutation, generating more network traffic, more disk IO and more
> index calls (if present).
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