A log-structured filesystem is a file system in which data and metadata are written sequentially to a circular buffer, called a log. The design was first...
6 KB (740 words) - 20:31, 18 April 2025
next year the idea was popularized in a widely cited paper on log-structured file systems. This was subsequently implemented in Microsoft's Windows NT's...
13 KB (1,683 words) - 08:21, 2 February 2025
The Log-Structured File System (or LFS) is an implementation of a log-structured file system (a concept originally proposed and implemented by John Ousterhout)...
6 KB (746 words) - 06:44, 13 May 2024
list of log-structured file system implementations. James T, Brady while in IBM Poughkeepsie Lab conceived a log structured paging file system in 1979...
6 KB (678 words) - 02:50, 11 November 2022
Journaling file system, provided in Linux, OS/2, and AIX. Supports extents. LFS – 4.4BSD implementation of a log-structured file system MFS – Macintosh File System...
53 KB (4,980 words) - 18:14, 20 June 2025
features include support for single system image on computer clusters and the introduction of the log-structured file system. The Tcl scripting language also...
5 KB (579 words) - 23:26, 28 April 2024
Information Systems File System, and is abbreviated LISFS to avoid confusion with the log-structured file system (LFS). An implementation of the Logic File System...
2 KB (172 words) - 06:59, 22 August 2022
metadata pending commit Log-structured File System (BSD), a log-structured file system for NetBSD Logic File System, a research file system that uses propositional...
2 KB (292 words) - 17:20, 18 April 2024
In computer science, the log-structured merge-tree (also known as LSM tree, or LSMT) is a data structure with performance characteristics that make it...
14 KB (1,936 words) - 08:24, 10 January 2025
aborted) Data logging Error correction and detection Hash function Journaling file system Log-structured file system Write-ahead logging Redo log Federal Standard...
6 KB (651 words) - 05:09, 18 July 2022
flash file systems are designed to spread out writes evenly. Log-structured file systems have all the desirable properties for a flash file system. Such...
9 KB (1,001 words) - 20:55, 23 June 2025
JFFS2 (category Disk file systems)
Journalling Flash File System version 2 or JFFS2 is a log-structured file system for use with flash memory devices. It is the successor to JFFS. JFFS2...
6 KB (670 words) - 01:40, 13 February 2025
NILFS (category Disk file systems)
NILFS or NILFS2 (New Implementation of a Log-structured File System) is a log-structured file system implementation for the Linux kernel. It was developed...
13 KB (1,349 words) - 13:01, 4 July 2025
a property of the versioning system. NILFS – A log-structured file system supporting versioning of the entire file system and continuous snapshotting....
11 KB (1,532 words) - 08:45, 2 July 2025
S2CID 8939577. Seltzer, Margo I. (1993). "Transaction Support in a Log-Structured File System" (PDF). Proceedings of the Ninth International Conference on Data...
76 KB (9,841 words) - 04:05, 14 July 2025
F2FS (redirect from Flash-Friendly File System)
widely used in computer systems ranging from mobile devices to servers. F2FS was designed on a basis of a log-structured file system approach, which is adapted...
32 KB (2,039 words) - 14:23, 8 July 2025
JFFS (category Flash file systems supported by the Linux kernel)
Journaling Flash File System (or JFFS) is a log-structured file system for use on NOR flash memory devices on the Linux operating system. It has been superseded...
4 KB (423 words) - 14:08, 28 April 2025
This was done to support both the traditional FFS and the LFS log-structured file system with shared code for common functions. The upper layer is called...
17 KB (1,966 words) - 06:52, 12 March 2025
Plan 9 from Bell Labs (redirect from Brazil (operating system))
capability-based security and a log-structured file system called Fossil that provides snapshotting and versioned file histories. The name Plan 9 from...
59 KB (5,991 words) - 17:23, 20 July 2025
FreeBSD 9.x-RELEASE UDF, LFS, and NILFS are log-structured file systems and behave as if the entire file system were a journal. Linux kernel versions 2.6...
145 KB (5,398 words) - 19:19, 26 June 2025
group that designed the experimental Sprite operating system and the first log-structured file system. Ousterhout also led the team that developed the Magic...
7 KB (466 words) - 02:21, 25 February 2025
NOVA (filesystem) (category Unix file system-related software)
The NOVA (non-volatile memory accelerated) file system is an open-source, log-structured file system for byte-addressable persistent memory (for example...
7 KB (770 words) - 12:57, 4 July 2025
key/value data into a log-structured hash table. The design owes a lot to the principles found in log-structured file systems and draws inspiration from...
4 KB (372 words) - 21:52, 17 June 2024
write-ahead logging (WAL) is a family of techniques for providing atomicity and durability (two of the ACID properties) in database systems. A write ahead log is...
4 KB (474 words) - 14:56, 23 June 2025
YAFFS (category Flash file systems supported by the Linux kernel)
open-source software portal List of file systems JFFS JFFS2 UBIFS LogFS NILFS, a New Implementation of a Log-structured File System Open NAND Flash Interface Working...
8 KB (1,078 words) - 11:22, 1 November 2024
In computing, a directory structure is the way an operating system arranges files that are accessible to the user. Files are typically displayed in a hierarchical...
8 KB (339 words) - 15:38, 7 March 2024
For computer log management, the Common Log Format, also known as the NCSA Common log format, (after NCSA HTTPd) is a standardized text file format used...
4 KB (510 words) - 21:35, 4 June 2025
systems, a device file, device node, or special file is an interface to a device driver that appears in a file system as if it were an ordinary file....
36 KB (3,375 words) - 06:11, 3 March 2025
dissertation, "File System Performance and Transaction Support", was supervised by Michael Stonebraker. Her work in log-structured file systems, databases...
9 KB (693 words) - 19:42, 27 June 2025
Append-only (section Data structures)
prototypical append-only data structure is the log file. Log-structured data structures found in Log-structured file systems and databases work in a similar...
7 KB (759 words) - 14:28, 7 February 2025