"Linux learning is not difficult" file system Management (1): XFS File System Introduction

18.1 the Linux learning is not difficult. File System Management ( 1 ): XFS File System Introduction

XFS is a high-performance 64-bit log file system developed by Silicon Graphics in 1993 for the IRIX operating system. In May 2000, the source code for the file system was released under the GNU General Public License, which was then ported to the Linux kernel. XFS is particularly adept at handling large files while providing smooth data transfer.

XFS the file system mainly has the following characteristics.

1 . Data Complete

With the Xfs file system, files on the disk are not compromised when the host is down and the file system turns on the log function. Regardless of the number of files and data currently stored on the file system, the file system can quickly recover the contents of the disk files in a very short time based on the logged logs.

2 . Transmission characteristics

XFS The file system uses an optimization algorithm, and the log records have very little impact on the overall file operation. XFS queries and allocates storage space very quickly. The XFS file system continuously provides fast response times.

3 . Scalability

XFS is a full 64-bit file system that can support up to million T bytes of storage space. Support for oversized files and small file sizes is outstanding and supports a large number of directories. XFS uses a high table structure to ensure that the file system can be quickly searched and quickly allocated to space. XFS continues to provide high-speed operations, and the performance of the file system is not limited by the number of directories and files in the directory.

4 . Transmission Bandwidth

XFS the ability to store data in close proximity to bare device I/O performance. In the test of a single file system, its throughput is up to 7GB per second, and reads and writes to a single file, with throughput up to 4GB per second.

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"Linux learning is not difficult" file system Management (1): XFS File System Introduction