Data Storage - The Buffer Cache (File System Cache)

> I/O - (Input/Output|Read/Write) - Data Access

1 - About

All data accessed from files on the system that are performed through the use of read() and write() system calls, pass through the file system buffer cache.

This buffer cache greatly speeds up disk access because recently accessed files can be served quickly from this RAM based cache, instead of reading then from or writing them to the physical hard disk.

This cache is shared between all of the physical block devices.

3 - Documentation / Reference

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io/buffer_cache.txt · Last modified: 2018/12/13 09:34 by 141.101.69.13