ログ先行書き込み
1. Write-ahead loggingIn computer science, write-ahead logging (WAL) is a family of techniques for providing atomicity and durability (two of the ACID properties) in database systems. In a system using WAL, all modifications are written to a log before they are applied. Usually both redo and undo information is stored in the log. The purpose of this can be illustrated by an example. Imagine a program that is in the middle of performing some operation when the machine it is running on loses power.
Read “Write-ahead logging” on English Wikipedia
Read “ログ先行書き込み” on Japanese Wikipedia
Read “Write-ahead logging” on DBpedia
Read “Write-ahead logging” on English Wikipedia
Read “ログ先行書き込み” on Japanese Wikipedia
Read “Write-ahead logging” on DBpedia
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