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Cache: Use MXS_MODULE_PARAM_SIZE

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This commit is contained in:
Johan Wikman
2017-01-23 10:57:37 +02:00
parent 31227e526b
commit eb05132a5c
2 changed files with 35 additions and 20 deletions
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23
Documentation/Filters/Cache.md
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@ -113,14 +113,17 @@ The default value is `0`, which means no limit.
#### `max_resultset_size`
Specifies the maximum size a resultset can have, measured in kibibytes,
in order to be stored in the cache. A resultset larger than this, will
not be stored.
Specifies the maximum size of a resultset, for it to be stored in the cache.
A resultset larger than this, will not be stored. The size can be specified
as described [here](../Getting-Started/Configuration-Guide.md#sizes).
```
max_resultset_size=128
max_resultset_size=128Ki
```
The default value is `0`, which means no limit.
Note that the value of `max_resultset_size` should not be larger than the
value of `max_size`.
#### `max_count`
The maximum number of items the cache may contain. If the limit has been
@ -137,18 +140,16 @@ The default value is `0`, which means no limit.
#### `max_size`
The maximum size - expressed in kibibytes - the cache may occupy. If the limit
has been reached and a new item should be stored, then some older item(s) will
be evicted to make space.
Note that the value of `max_size` must be at least as large as the value of
`max_resultset_size`.
The maximum size the cache may occupy. If the limit has been reached and a new
item should be stored, then some older item(s) will be evicted to make space.
The size can be specified as described
[here](../Getting-Started/Configuration-Guide.md#sizes).
Note that if `cached_data` is `thread_specific` then this limit will be
applied to each cache _separately_. That is, if a thread specific cache
is used, then the total size is #threads * the value of `max_size`.
```
max_size=1000
max_size=100Mi
```
The default value is `0`, which means no limit.