Core โ†’ Cache

Cache::ArticleStorageCache

Activates the article storage file system cache. To activate this cache it is required to use the memcache back end and allocate enough memory to your memcache instances. Much more than 4 GB will be required. Check your article data.

This setting can not be deactivated.

Default value:

0

Cache::ArticleStorageCache::TTL

Defines the time to life of the article storage file system cache.

This setting can not be deactivated.

Default value:

86400

Cache::InBackend

If enabled, the cache data will be stored in cache backend.

This setting can not be deactivated.

Default value:

1

Cache::InMemory

If enabled, the cache data be held in memory.

This setting can not be deactivated.

Default value:

1

Cache::MemcachedFast::CacheLimit

Defines the maximum cacheable size of one dataset.

This setting can not be deactivated.

Default value:

104857600

Cache::MemcachedFast::ServerParams

Defines the general parameters of memcached servers. Wrong configuration can break the functionality. Use with care!

This setting can not be deactivated.

Default value:

---
failure_timeout: '10'
max_failures: '2'
max_size: '1048576'
namespace: OTRS

Cache::MemcachedFast::Servers###001

Defines the parameters of memcached server 1.

Default value:

---
address: localhost:11211
noreply: '1'
weight: '1'

Cache::MemcachedFast::Servers###002

Defines the parameters of memcached server 2.

This setting is not active by default.

Default value:

---
address: localhost:11211
noreply: '1'
weight: '1'

Cache::MemcachedFast::Servers###003

Defines the parameters of memcached server 3.

This setting is not active by default.

Default value:

---
address: localhost:11211
noreply: '1'
weight: '1'

Cache::MemcachedFast::Servers###004

Defines the parameters of memcached server 4.

This setting is not active by default.

Default value:

---
address: localhost:11211
noreply: '1'
weight: '1'

Cache::Module

Selects the cache back end to use.

Available in-built options

  • Kernel::System::Cache::FileStorable: The cache will be stored in the local file system of the OTRS web server.

  • Kernel::System::Cache::MemcachedFast: The cache will be stored in a high-performance, distributed memory object caching system.

  • Kernel::System::Cache::Redis: The cache will be stored in a Redis service.

See also

Performance Tuning with Caching

This setting can not be deactivated.

Default value:

Kernel::System::Cache::FileStorable

Cache::SubdirLevels

Specify how many sub directory levels to use when creating cache files. This should prevent too many cache files being in one directory.

This setting can not be deactivated.

Default value:

2
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