release: v2.5.1 — HA cluster, failover watcher, dependency upgrades#229
Merged
caikpigosso merged 2 commits intomainfrom Mar 24, 2026
Merged
release: v2.5.1 — HA cluster, failover watcher, dependency upgrades#229caikpigosso merged 2 commits intomainfrom
caikpigosso merged 2 commits intomainfrom
Conversation
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Features: - Add Raft leadership watcher (src/cluster/raft_watcher.rs) that bridges openraft consensus elections to HaManager role transitions, enabling automatic master/replica failover in Kubernetes clusters - Watcher uses zero-cost tokio::sync::watch subscription (no polling) - Leader address resolved from Raft state machine with K8s env var support (HOSTNAME, VECTORIZER_SERVICE_NAME, POD_IP) Bug fixes: - Fix snapshot spam on empty replicas: early-exit when .vecdb doesn't exist, downgrade "no data" errors to debug level in auto_save - Add exponential backoff (5s→60s cap) to replica reconnect, reducing log noise from ~12/min to ~1/min when master is unreachable - Add 5s TCP connection timeout to replica, replacing OS-level timeout (30-120s) for faster failure detection in Kubernetes Dependency upgrades (all Dependabot PRs resolved): - bincode 1.3→2.0.1 with codec wrapper module for wire-format compatibility - tonic 0.12→0.14.5, prost 0.13→0.14.3 (coordinated upgrade, eliminates duplicate crate versions), tonic-prost/tonic-prost-build added - uuid 1.19→1.22, nix 0.30→0.31, hyper-util 0.1.19→0.1.20 - tar, openssl, futures, tempfile, rustls (patch bumps via cargo update) - docker/metadata-action v5→v6 in CI workflow Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Summary
Test plan
cargo test— 1,890 tests passed, 0 failurescargo clippy— 0 warningscargo fmt --check— formattedcargo build --release— builds successfully🤖 Generated with Claude Code