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https://issues.apache.org/jira/browse/CASSANDRA-9997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14660138#comment-14660138
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Aleksey Yeschenko commented on CASSANDRA-9997:
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Marked as 2.2.1/Blocker temporarily, so that it doesn't slip. Will double-check
if it really is, but we've promised the ability to migrate from 2.1 to 3.0
directly, and even 3.0 might have to support this.
> Removing cold_reads_to_omit in 2.2 is not backwards compatible with 2.1
> -----------------------------------------------------------------------
>
> Key: CASSANDRA-9997
> URL: https://issues.apache.org/jira/browse/CASSANDRA-9997
> Project: Cassandra
> Issue Type: Bug
> Reporter: Tommy Stendahl
> Priority: Blocker
> Fix For: 2.2.1
>
>
> Shouldn’t 2.2 be backwards compatible with 2.1?
> The removal of the cold_reads_to_omit parameter in
> SizeTieredCompactionStrategy breaks backwards compatibility, wouldn't it be
> better to keep the same behaviour as in later 2.1 versions, the parameter is
> there but doesn’t do anything. The cold_reads_to_omit parameter should be
> removed in 3.0.
> This could be fixed by applying the patch in CASSANDRA-9203 on the 2.2 branch.
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