[jira] [Commented] (CASSANDRA-3929) Support row size limits

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

    [ https://issues.apache.org/jira/browse/CASSANDRA-3929?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13487467#comment-13487467 ] 

Jonathan Ellis commented on CASSANDRA-3929:
-------------------------------------------

Good idea putting the code in the index Builder!

It looks though that build() is only used when we can fit the row in memory, otherwise LazilyCompactedRow calls {{add}} directly (also called by {{build}}).  So I think you're going to need to move the retained row count into the Builder instance to maintain state across invocations.
                
> Support row size limits
> -----------------------
>
>                 Key: CASSANDRA-3929
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3929
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: Core
>    Affects Versions: 1.2.1
>            Reporter: Jonathan Ellis
>            Assignee: Dave Brosius
>            Priority: Minor
>              Labels: ponies
>             Fix For: 1.2.1
>
>         Attachments: 3929_b.txt, 3929_c.txt, 3929.txt
>
>
> We currently support expiring columns by time-to-live; we've also had requests for keeping the most recent N columns in a row.

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