Difference between revisions of "Buffers"
Jump to navigation
Jump to search
↑ https://s905060.gitbooks.io/site-reliability/engineer-handbook/content/buffer-and-cache.html
| (One intermediate revision by the same user not shown) | |||
| Line 1: | Line 1: | ||
| − | Buffers are the disk block representation of the data that is stored under the page [[caches]]. Buffers contains the metadata of the files/data which resides under the page cache. Example: When there is a request of any data which is present in the page cache, first the kernel checks the data in the buffers which contain the metadata which points to the actual files/data contained in the page caches. Once from the metadata the actual block address of the file is known, it is picked up by the kernel for processing. <ref>https://s905060.gitbooks.io/site-reliability/engineer-handbook/content/buffer-and-cache.html</ref> | + | Buffers are the disk block representation of the data that is stored under the page [[caches]]. Buffers contains the [[metadata]] of the files/data which resides under the page cache. |
| + | |||
| + | Example: When there is a request of any data which is present in the page cache, first the kernel checks the data in the buffers which contain the metadata which points to the actual files/data contained in the page caches. Once from the metadata the actual block address of the file is known, it is picked up by the kernel for processing. <ref>https://s905060.gitbooks.io/site-reliability/engineer-handbook/content/buffer-and-cache.html</ref> | ||
* <code>[[/proc/meminfo]]</code> | * <code>[[/proc/meminfo]]</code> | ||
* <code>[[free]]</code> | * <code>[[free]]</code> | ||
| + | * <code>[[sar -r]]</code> | ||
| + | |||
| + | == Related == | ||
| + | * [[Cache]] | ||
[[Category:Computing]] | [[Category:Computing]] | ||
Latest revision as of 14:07, 2 November 2021
Buffers are the disk block representation of the data that is stored under the page caches. Buffers contains the metadata of the files/data which resides under the page cache.
Example: When there is a request of any data which is present in the page cache, first the kernel checks the data in the buffers which contain the metadata which points to the actual files/data contained in the page caches. Once from the metadata the actual block address of the file is known, it is picked up by the kernel for processing. [1]
Related[edit]
Advertising:
