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Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2014/03/26 19:49:18 UTC
[jira] [Created] (CASSANDRA-6936) Make all byte representations of
types comparable by their unsigned byte representation only
Benedict created CASSANDRA-6936:
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Summary: 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: Core
Reporter: Benedict
Assignee: Benedict
Fix For: 3.0
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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