[WIP] [Phase 6] Implement multi-node clustering (Rust)#43
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Adding CLAUDE.md with task information for AI processing. This file will be removed when the task is complete. Issue: #21
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This reverts commit 68c5c99.
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🤖 AI Work Session Started Starting automated work session at 2026-01-18T15:00:41.426Z The PR has been converted to draft mode while work is in progress. This comment marks the beginning of an AI work session. Please wait working session to finish, and provide your feedback. |
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🤖 AI Work Session Started Starting automated work session at 2026-01-18T16:16:41.999Z The PR has been converted to draft mode while work is in progress. This comment marks the beginning of an AI work session. Please wait working session to finish, and provide your feedback. |
This commit implements the core components for multi-node clustering: - node.rs: ClusterNode implementation with health checking and metadata - discovery.rs: DiscoveryService for node discovery and health monitoring - partition.rs: HashRing for consistent hashing with virtual nodes - replication.rs: DataReplicationManager for sync/async data replication - gossip.rs: GossipProtocol for membership dissemination - coordinator.rs: DefaultClusterCoordinator with ClusterBuilder Key features: - Consistent hashing with configurable virtual nodes (vnodes) - Gossip-based membership with push-pull pattern - Support for sync and async replication modes - Simple leader election (lowest node ID) - Comprehensive unit tests for all components Closes #21 Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add module-level clippy allows for intentional casts and patterns: - cast_possible_truncation: timestamp u128→u64 conversions (safe for millions of years) - cast_precision_loss: statistics calculations (acceptable precision loss) - missing_fields_in_debug: intentionally simplified Debug implementations - significant_drop_tightening/significant_drop_in_scrutinee: RwLock guard patterns - match_wildcard_for_single_variants: gossip status matching - unused_async: replicate_async function (spawns async task) - Add float_cmp allow for test assertions on exact success rates - Format code with cargo fmt Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
The test_local_node_uptime test was asserting uptime > 0 nanoseconds immediately after node creation, which could fail on systems with lower timer precision (like macOS runners). Fixed by adding a 1ms sleep and asserting uptime >= 1ms. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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Summary
This PR implements multi-node clustering for Rust (Phase 6 of the roadmap), addressing the requirements in issue #21.
Implementation Details
New Files Created
src/cluster/node.rsNodestruct implementingClusterNodetrait with health checking, metadata, andLocalNodefor the local node representationsrc/cluster/discovery.rsDiscoveryServicefor node discovery and periodic health monitoringsrc/cluster/partition.rsHashRingfor consistent hashing with virtual nodes andPartitionManagerfor partition assignmentsrc/cluster/replication.rsDataReplicationManagersupporting both sync and async replication modessrc/cluster/gossip.rsGossipProtocolfor membership dissemination using push-pull pattern over TCPsrc/cluster/coordinator.rsDefaultClusterCoordinatorintegrating all components withClusterBuilderfor fluent constructionKey Features
API Example
Test Plan
References
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