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{{this2|the general concept of log-structured file systems|the NetBSD file system|Log-structured File System (BSD)|the Linux log-structured Flash file system|LogFS}}
A '''log-structured filesystem''' is a [[file system]] design first proposed by [[John K. Ousterhout]] and [[Fred Douglis]]. Designed for high write throughput, all updates to data and metadata are written sequentially to a continuous stream, called a log.
== Rationale ==
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