[jira] [Commented] (CASSANDRA-15897) Dropping compact storage with 2.1-sstables on disk make them unreadable

["Ekaterina Dimitrova (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-15897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17294224#comment-17294224 ] 

Ekaterina Dimitrova commented on CASSANDRA-15897:
-------------------------------------------------

I believe more or less we agreed on the patch on the V3.0 branch [here|https://github.com/ekaterinadimitrova2/cassandra/pull/79/files].

I propagated it to [3.11|https://github.com/ekaterinadimitrova2/cassandra/pull/87/files] and [4.0|https://github.com/ekaterinadimitrova2/cassandra/pull/88/files]. I tested locally successfully those patches. Because of the latest CI failures, I decided to wait running full CI a bit until the latest issues are resolved so we can see the situation better.

I believe there is only a need of one test of mixed cluster of nodes 3/4 with old 2.2 sstables on the v3 node and attempt to drop compact storage on 4.0, I will add a python dtest tomorrow. 

> Dropping compact storage with 2.1-sstables on disk make them unreadable
> -----------------------------------------------------------------------
>
>                 Key: CASSANDRA-15897
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-15897
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Legacy/Local Write-Read Paths
>            Reporter: Marcus Eriksson
>            Assignee: Ekaterina Dimitrova
>            Priority: Normal
>             Fix For: 3.0.x, 3.11.x, 4.0-beta
>
>
> Test reproducing: https://github.com/krummas/cassandra/commits/marcuse/dropcompactstorage



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