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awoooi/apps
OG T e6f6734f39
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fix(telegram): Redis Leader Election 解決多 Pod 409 Conflict
問題: 2 個 API Pod 同時 getUpdates → 互相 409 → 兩個都失敗
根本原因: explicit env TELEGRAM_ENABLE_POLLING=false 被 kubectl patch 設入
  deployment,覆蓋 ConfigMap 的 true (feedback_k8s_env_precedence.md 違規)

修復步驟:
1. kubectl patch 移除 deployment 的 explicit env override
2. 實作 Redis Leader Election 防止多 Pod 競爭
   - 使用 SET NX EX=45 取得 Leader Lock
   - _leader_renewer(): 每 20s 續約,確保 Leader 持有 Lock
   - _leader_watcher(): 非 Leader Pod 每 30s 嘗試接管
   - 409 時主動釋放 Lock,Watcher 競爭接管

結果: 一個 Pod 正常 polling,另一個 Pod 進入 Watcher 待命模式

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-01 11:04:10 +08:00
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