EC2のブロックストレージには、Amazon Elastic Block Store(EBS)以外にも、インスタンスストアという揮発性の個性的なストレージも存在します。






インスタンスストアは、インスタンス用のブロックレベルの一時ストレージを提供します。このストレージは、ホストコンピュータに物理的にアタッチされたディスク上にあります。インスタンスストアは、頻繁に変更される情報 (バッファ、キャッシュ、スクラッチデータ、その他の一時コンテンツなど) の一時ストレージに最適です。また、インスタンスのフリート全体でレプリケートされるデータ (負荷分散されたウェブサーバープールなど) にも適しています。


  • 第5・6世代ではC5d, M6gdのように「d」がつくインスタンスタイプ
  • I3、F1


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