Apache Module mod_disk_cache

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Description:	Content cache storage manager keyed to URIs
Status:	Extension
Module Identifier:	disk_cache_module
Source File:	mod_disk_cache.c

Summary

mod_disk_cache implements a disk based storage manager. It is primarily of use in conjunction mod_cache.

Content is stored in and retrieved from the cache using URI based keys. Content with access protection is not cached.

htcacheclean can be used to maintain the cache size at a maximum level.

Note:

mod_disk_cache requires the services of mod_cache.

Directives

CacheDirLength Directive

Description:	The number of characters in subdirectory names
Syntax:	`CacheDirLength length`
Default:	`CacheDirLength 2`
Context:	server config, virtual host
Status:	Extension
Module:	mod_disk_cache

The CacheDirLength directive sets the number of characters for each subdirectory name in the cache hierarchy.

The result of CacheDirLevels* CacheDirLength must not be higher than 20.

CacheDirLength 4

CacheDirLevels Directive

Description:	The number of levels of subdirectories in the cache.
Syntax:	`CacheDirLevels levels`
Default:	`CacheDirLevels 3`
Context:	server config, virtual host
Status:	Extension
Module:	mod_disk_cache

The CacheDirLevels directive sets the number of subdirectory levels in the cache. Cached data will be saved this many directory levels below the CacheRoot directory.

The result of CacheDirLevels* CacheDirLength must not be higher than 20.

CacheDirLevels 5

CacheMaxFileSize Directive

Description:	The maximum size (in bytes) of a document to be placed in the cache
Syntax:	`CacheMaxFileSize bytes`
Default:	`CacheMaxFileSize 1000000`
Context:	server config, virtual host
Status:	Extension
Module:	mod_disk_cache

The CacheMaxFileSize directive sets the maximum size, in bytes, for a document to be considered for storage in the cache.

CacheMaxFileSize 64000

CacheMinFileSize Directive

Description:	The minimum size (in bytes) of a document to be placed in the cache
Syntax:	`CacheMinFileSize bytes`
Default:	`CacheMinFileSize 1`
Context:	server config, virtual host
Status:	Extension
Module:	mod_disk_cache

The CacheMinFileSize directive sets the minimum size, in bytes, for a document to be considered for storage in the cache.

CacheMinFileSize 64

CacheRoot Directive

Description:	The directory root under which cache files are stored
Syntax:	`CacheRoot directory`
Context:	server config, virtual host
Status:	Extension
Module:	mod_disk_cache

The CacheRoot directive defines the name of the directory on the disk to contain cache files. If the mod_disk_cache module has been loaded or compiled in to the Apache server, this directive must be defined. Failing to provide a value for CacheRoot will result in a configuration file processing error. The CacheDirLevels and CacheDirLength directives define the structure of the directories under the specified root directory.

CacheRoot c:/cacheroot