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Spider storage engine (dec212016)

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A description about Spider storage engine.

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Spider storage engine (dec212016)

  1. 1. Spider Storage Engine
  2. 2. MySQL&MariaDBとSpiderの簡単な歴史 1995 MySQL AB 1981 2007 2008 2010 2012-20162008 OCT 発表
  3. 3. Spiral Arms., Ltd All Rights Reserved Scale up サーバーの性能をあげることにより処理 能力をあげる手法 Scale out サーバーの台数を増やすことにより処 理能力をあげる手法 Sharding 1台のサーバーで扱いきれなくなったデータやトラ フィックを複数のサーバーに分散する技術 Scale Up / Scale Out
  4. 4. Spider誕生秘話 ( The Secret Story how Spider was born) Spiral Arms., Ltd All Rights Reserved 1. 開発者の斯波がMySQLのプロジェクトに多々 携わった 2. MySQLのソースコードを自由に改変できる点を 大いに利用 3. ストレージエンジンをプラグインできる 4. Shardingをアプリケーションの改変なしで、なん とか何かできないか。。。。。
  5. 5. Spider と MySQL Fabric
  6. 6. Spider と Fabric(Flame work) の比較 MySQL Fabric Spider コネクター △ 利用できるコネクターが限定されて いる。 ○ 全てのコネクターが利用可能。 最低ホップ数 ○ 1ホップ △ 2ホップ ただし、実テーブルを利用する場合は 1ホップ。 データの冗長化 △ 非同期のみ ○ 同期、非同期選択可能 耐障害性 ○ Fabricフレームワークで用意された もののほかに、これまで使い慣れた テクニックがそのまま利用できる。 ○ Spiderで用意されているもののほかに、 これまで使い慣れたテクニックがその まま利用できる。 単一障害点 × MySQL Fabricノードが冗長化できな い。 ○ 単一障害点なし
  7. 7. Spider と Fabric の比較 MySQL Fabric Spider シャーディング △ HASH、RANGEが利用可能。 ○ KEY、HASH、RANGE、LIST、RANGE COLUMNS、LIST COLUMNS、SUB PARTITIONが利用可能。 同一ノード内join ○ joinされたSQLを直接データノードに 送るので高速。 ○ 現在のところは、1テーブルずつの問 い合わせになるので、Fabric方式より 遅くはなるが、BKAをサポートしている ため高速。 データノードでjoinされたviewを作成し、 そのviewに対応するSpiderテーブルを 作成することで、データノードでjoinす ることが可能。 異なるノード間 でのjoin × サポートされていない。 ○ BKAをサポートしているため高速。
  8. 8. Spiderはこれからこうなる!!
  9. 9. The Future of Spider Spiral Arms., Ltd All Rights Reserved • 世界中にSpiderのContributorがいる • MariaDBのエンジニアの支援があり、 MariaDB10.0.4~バンドルされている • MySQLのv5.7~の開発にも注力し、Percona サーバーや他DB対応も視野に入れている
  10. 10. Spiderが使われているサービス
  11. 11. CCM Escape
  12. 12. 日本人が開発したMySQL関連 Spiral Arms., Ltd All Rights Reserved • MHA(MySQL Master HA) HA構成を管理する ためのツール Facebook 松信氏 • handlersocket MySQLをキーバリューストアと して使えるようにするプラグイン DeNA 樋口氏 • Mroonga 全文検索に特化したストレージエンジ ン by 未来検索ブラジル 他
  13. 13. 2017年前半のメジャーイベント Spiral Arms., Ltd All Rights Reserved • 1月 OR 2月にMeetup Tokyo を開催予定 • 2017年4月 M17/MariaDB Conference in NYC m17.mariadb.com • 2017年4月 Percona Open Source Database Conference in Santa Clara, CA percona.com/live/17/

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