Name

Description

Default Value

COUNT

The minimum number of file copies required for the file to become cacheable. Copies may exist in the same Container or different Containers.

2

MINSIZE

Minimal cacheable file size, bytes. Files smaller than this value will not be cached.

0

MAXSIZE

Maximal cacheable file size, bytes. Files larger than this value will not be cached.

2147483648

TIMEOUT

Time between caching attempts, seconds.

5

PFCACHE_IOLIMIT

Memory and IOPS deduplication cache IO bandwidth limit, bps. Unlimited by default.

PFCACHE_IOPSLIMIT

Memory and IOPS deduplication cache IOPS limit. Unlimited by default.

LOGLEVEL

Logging verbosity. Messages are logged in the system log file /var/log/messages .

1

PAGEMIN

The total number of memory pages used in Containers.

• 0 — Cache even files without memory pages.
• 1 — Cache only files in use.
• N — Cache only when the total number of memory pages in Containers reaches N.

1

PURGEAHEAD

Extra cache space to free up in addition to the requested space. In per cent of the requested space. Used with the pfcache purge --size command.

20%