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Posted to commits@cassandra.apache.org by "Ivan Senic (Jira)" <ji...@apache.org> on 2022/06/30 09:13:00 UTC
[jira] [Comment Edited] (CASSANDRA-6936) Make all byte representations of types comparable by their unsigned byte representation only
[ https://issues.apache.org/jira/browse/CASSANDRA-6936?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17560942#comment-17560942 ]
Ivan Senic edited comment on CASSANDRA-6936 at 6/30/22 9:12 AM:
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Do I understand correct that this will be first available in the `4.2` release that is scheduled to go out in a year?
was (Author: JIRAUSER281556):
Do I understand good that this will be first available in the `4.2` release that is scheduled to go out in a year?
> Make all byte representations of types comparable by their unsigned byte representation only
> --------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-6936
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6936
> Project: Cassandra
> Issue Type: Improvement
> Components: Legacy/Core
> Reporter: Benedict Elliott Smith
> Assignee: Branimir Lambov
> Priority: Normal
> Labels: compaction, performance
> Fix For: 4.2
>
> Time Spent: 25h
> Remaining Estimate: 0h
>
> This could be a painful change, but is necessary for implementing a trie-based index, and settling for less would be suboptimal; it also should make comparisons cheaper all-round, and since comparison operations are pretty much the majority of C*'s business, this should be easily felt (see CASSANDRA-6553 and CASSANDRA-6934 for an example of some minor changes with major performance impacts). No copying/special casing/slicing should mean fewer opportunities to introduce performance regressions as well.
> Since I have slated for 3.0 a lot of non-backwards-compatible sstable changes, hopefully this shouldn't be too much more of a burden.
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