![Reverse Proxy / IP Patch
? User -> www.cool3c.com ->
45.www.cool3c.com
? Drupal 5：proxy-5.patch, ip.patch
? Drupal 6：settings.php (bootstrap.inc)
? 在settings.php修正
$_SERVER[‘HTTP_HOST’]](https://image.slidesharecdn.com/drupalcamp2011-james-110804000525-phpapp02/85/DCTPE2011-8-Drupal-James-Liu-6-320.jpg)
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[DCTPE2011] 8) 多伺服器/高效能的Drupal 主機解決方案--James Liu
- 1. Drupal 多伺服器手札 James Liu / 神の豚
- 2. 伺服器效能不足
- 3. 既然一台不行，那就两台吧… 图片来源：噗浪
- 4. 新伺服器环境
- 5. Apache Proxy / Load Balance ? 統一的對外IP ? 工作量的分配 – 實體Load balance可 調整分配比例 ? 即時切換過載伺服 器
- 6. Reverse Proxy / IP Patch ? User -> www.cool3c.com -> 45.www.cool3c.com ? Drupal 5：proxy-5.patch, ip.patch ? Drupal 6：settings.php (bootstrap.inc) ? 在settings.php修正 $_SERVER[‘HTTP_HOST’]
- 7. User picture / files ? 自己來 – 寫個PHP通知其他人 – Rsync同步 ? CDN Module (6 up) ? 共用Files
- 8. MySQL Replication ? 1 Master, 2 Slave ? 分散Select負荷 ? Master很重要！
- 9. MySQL Replication 排除 ? 排除準則 – 經常更新 – Cache – Log ? 目的 – 降低同步錯誤的發生 – 降低同步資源
- 10. db_url Patch ? drupal_replication.patch – 讓系統支援Slave資料庫連結 ? 根據伺服器，讓程式直接對本機資料庫 存取 ? 修正資料庫連結錯誤，增加容錯率
- 11. 資料表強制導向 ? _db_query_is_slave _safe() ? 導向準則 – 變動較低 – 大量Query – 使用Join ? 目的 – 減少程式調整 – 方便整體控制
- 12. 負載量 ? Apache connection ↑ ? MySQL connection ↑ – Multi Master ? ? 同一時間可處理的使用者變多了
- 13. 伺服器...….們 ? 伺服器掛掉也能繼 續運作 ? 二台->三台->… – 接受更多的服務 – 管理更多的電腦 – 規劃、統一的重要性
- 14. 感谢各位的收听齿顿