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Linux Gazette: Journal File Systems

Jul 08, 2000, 20:07 (7 Talkback[s])
(Other stories by Juan I. Santos Florido)

"As Linux grows up, it aims to satisfy different users and potential situations' needs. During recent years, we have seen Linux acquire different capabilities and be used in many heterogeneous situations. We have Linux inside micro-controllers, Linux router projects, one floppy Linux distribution, partial 3-D hardware speedup support, multi-head Xfree support, Linux games and a bunch of new window managers as well. Those are important features for end users. There has also been a huge step forward for Linux server needs — mainly as a result of the 2.2.x Linux kernel switch. Furthermore, sometimes as a consequence of industry support and others leveraged by Open Source community efforts, Linux is being provided with the most important commercial UNIX and large server's features. One of these features is the support of new file systems able to deal with large hard-disk partitions, scale up easily with thousands of files, recover quickly from crash, increase I/O performance, behave well with both small and large files, decrease the internal and external fragmentation and even implement new file system abilities not supported yet by the former ones."

"This article is the first in a series of two, where the reader will be introduced to the Journal File Systems: JFS, XFS, Ext3, and ReiserFs. Also we will explain different features and concepts related to the new file systems above. The second article is intended to review the Journal File Systems behaviour and performance through the use of tests and benchmarks."

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