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https://issues.apache.org/jira/browse/CASSANDRA-21078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18050419#comment-18050419
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Sam Tunnicliffe commented on CASSANDRA-21078:
---------------------------------------------
FTR this is one of scenarios that {{SchemaTransformation::compatibleWith}}
helps deal with. In fact, the javadoc for that method uses a very similar
change as an example.
There's actually nothing to do for this patch as because this is going straight
into a major release, there aren't any mid-upgrade compatibility concerns with
nodes on the new version being able to process the new params, but non-upgraded
nodes unable to.
In future, we would also be able to safely make a change like this in a minor
release as mentioned here.
> Move training parameters for compression dictionaries to CQL compression
> params
> -------------------------------------------------------------------------------
>
> Key: CASSANDRA-21078
> URL: https://issues.apache.org/jira/browse/CASSANDRA-21078
> Project: Apache Cassandra
> Issue Type: Improvement
> Components: Feature/Compression
> Reporter: Stefan Miklosovic
> Assignee: Stefan Miklosovic
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> This way we ensure that configuration for training is same everywhere as it
> gets propagated by TCM and we can also override it via nodetool if necessary.
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