[IGNITE-22036] Replace TableManager.changePeersOnRebalance by the broadcast ReplicaRequest

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0
• Labels: ignite-3
• Epic Link: RAFT to Replicator
• Assignee: Mikhail Efremov
• Reporter: Kirill Gusakov
• Reviewer: Alexander Lapin
• Created: 12/Apr/24 13:21
• Updated: 10/Dec/24 07:14
• Resolved: 10/Dec/24 07:13

Description

Motivation

To simplify the process of moving to the zone-based collocation we need to remove all raft-connected code from TableManager. After IGNITE-21805 we will still have:

• TableManager.changePeersOnRebalance

This method must be replaced by appropriate request to Replica.

Definition of done

• TableManager send the broadcast ChangePeersReplicaRequest to all nodes from table partition assignments instead of direct call to raft changePeersAsync

Implementation details
We need to:

• Introduce ChangePeersReplicaRequest(PeersAndLearners peersAndLearners) - the new replica request type
• Move the code from TableManager.changePeersOnRebalance to the Replica itself, as a reaction to ChangePeersReplicaRequest
• TableManager must send the ChangePeersReplicaRequest to all nodes from table partition assignments instead of direct TableManager.changePeersOnRebalance call

Issue Links

• is blocked by: IGNITE-23587 Make PlacementDriver able to choose lease candidate from pendings
• links to: GitHub Pull Request #4446