[CASSANDRA-19757] Accord Journal / Determinism: Load Command states from the log

• Type: Improvement
• Status: Resolved
• Priority: High
• Resolution: Fixed
• Fix Version/s: 5.1
• Component/s: Accord
• Labels: pull-request-available
• Change Category: Performance
• Complexity: Challenging
• Platform: All

Source Control Link

https://github.com/apache/cassandra/commit/bea968acddfbb454838fedef4f22de2eb285bd91

Test and Documentation Plan

Includes tests

• Assignee: Alex Petrov
• Reporter: Alex Petrov

Authors

Alex Petrov

Reviewers

Benedict Elliott Smith

• Created: 08/Jul/24 14:23
• Updated: 19/Aug/24 09:49
• Resolved: 14/Aug/24 07:52

Description

• Persist intermediate Command inthe journal
• Simplify AccordJournal by removing Framing
• Save command outcomes to the log
• Reconstruct latest command state from the log entries
• Replace `SerializerSupport#reconstruct` with log reconstruction

Issue Links

• incorporates: CASSANDRA-19756 Accord Journal / Determinism: Store intermediate Command states in the log
• supercedes: CASSANDRA-19756 Accord Journal / Determinism: Store intermediate Command states in the log
• links to: accord
• links to: cep-15-accord
• links to: GitHub Pull Request #105