[jira] [Commented] (CASSANDRA-11877) Add initial support to pre-3.0 sstable serialization

["T Jake Luciani (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-11877?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15310504#comment-15310504 ] 

T Jake Luciani commented on CASSANDRA-11877:
--------------------------------------------

I'm chiming in to suggest that you should consider maintaining two formats using CASSANDRA-7443 vs maintaining the LegacyLayout class inside of the bigtable format.  This does make it hard to do though since it this approach was not used in 8099 so the "big" format marker was used in 2.2 and 3.0 but you could start by first releasing a new format marker as part of a new release in 3.0 for the new format and use "big" only for the old format marker.

> Add initial support to pre-3.0 sstable serialization
> ----------------------------------------------------
>
>                 Key: CASSANDRA-11877
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-11877
>             Project: Cassandra
>          Issue Type: Sub-task
>          Components: Tools
>            Reporter: Paulo Motta
>            Assignee: Kaide Mu
>            Priority: Minor
>
> In order to support writing pre-3.0 sstables, the easiest route is to port pre-3.0 {{BigTableWriter}} to {{LegacyLayout}}, so it can be easily removed when this support is removed in the next majorversion.
> For simplicity, we should consider only the simple case in this ticket: no range tombstones and index sampling. We can add support to those in follow-up tickets.



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