[CASSANDRA-14756] Transient Replication - range movement improvements

• Type: Improvement
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Component/s: Legacy/Distributed Metadata
• Labels: pull-request-available
• Assignee: Alex Petrov
• Reporter: Alex Petrov

Authors

Alex Petrov

Reviewers

Ariel Weisberg, Benedict Elliott Smith

• Created: 17/Sep/18 15:23
• Updated: 16/Apr/19 09:29
• Resolved: 26/Sep/18 09:44

Description

• Simplify iteration in calculateRangesToFetchWithPreferredEndpoints
• Minor changes to calculateRangesToFetchWithPreferredEndpoints to improve readability:
• Simplify RangeRelocator code
• Fix range relocation
• Simplify calculateStreamAndFetchRanges
• Unify request/transfer ranges interface (Added benefit of this change is that we have a check for non-intersecting ranges)
• Simplify iteration in calculateRangesToFetchWithPreferredEndpoints
• Improve error messages

Issue Links

• is part of: CASSANDRA-14697 Transient Replication 4.0 pre-release followup work
• links to: GitHub Pull Request #269