Create memory cache (deprecated)
Source:R/deprecated.R
Description
Create memory cache (deprecated)
Arguments
- max_size
Maximum size of the cache, in bytes. If the cache exceeds this size, cached objects will be removed according to the value of the
evict
. UseInf
for no size limit. The default is 1 gigabyte.- max_age
Maximum age of files in cache before they are evicted, in seconds. Use
Inf
for no age limit.- max_n
Maximum number of objects in the cache. If the number of objects exceeds this value, then cached objects will be removed according to the value of
evict
. UseInf
for no limit of number of items.- evict
The eviction policy to use to decide which objects are removed when a cache pruning occurs. Currently,
"lru"
and"fifo"
are supported.- missing
A value to return when
get(key)
is called but the key is not present in the cache. The default is akey_missing()
object. It is actually an expression that is evaluated each time there is a cache miss. See section Missing keys for more information.- exec_missing
Deprecated.
- logfile
An optional filename or connection object to where logging information will be written. To log to the console, use
stderr()
orstdout()
.