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Posted to commits@cassandra.apache.org by "C. Scott Andreas (JIRA)" <ji...@apache.org> on 2018/11/18 17:50:01 UTC
[jira] [Updated] (CASSANDRA-13994) Remove COMPACT STORAGE internals
before 4.0 release
[ https://issues.apache.org/jira/browse/CASSANDRA-13994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
C. Scott Andreas updated CASSANDRA-13994:
-----------------------------------------
Component/s: Local Write-Read Paths
> Remove COMPACT STORAGE internals before 4.0 release
> ---------------------------------------------------
>
> Key: CASSANDRA-13994
> URL: https://issues.apache.org/jira/browse/CASSANDRA-13994
> Project: Cassandra
> Issue Type: Improvement
> Components: Local Write-Read Paths
> Reporter: Alex Petrov
> Assignee: Alex Petrov
> Priority: Minor
> Fix For: 4.x
>
>
> 4.0 comes without thrift (after [CASSANDRA-11115]) and COMPACT STORAGE (after [CASSANDRA-10857]), and since Compact Storage flags are now disabled, all of the related functionality is useless.
> There are still some things to consider:
> 1. One of the system tables (built indexes) was compact. For now, we just added {{value}} column to it to make sure it's backwards-compatible, but we might want to make sure it's just a "normal" table and doesn't have redundant columns.
> 2. Compact Tables were building indexes in {{KEYS}} mode. Removing it is trivial, but this would mean that all built indexes will be defunct. We could log a warning for now and ask users to migrate off those for now and completely remove it from future releases. It's just a couple of classes though.
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