ceph/doc/cephfs/journaler.rst

42 lines
773 B
ReStructuredText
Raw Normal View History

===========
Journaler
===========
``journaler write head interval``
:Description: How frequently to update the journal head object
:Type: Integer
:Required: No
:Default: ``15``
``journaler prefetch periods``
:Description: How many stripe periods to read-ahead on journal replay
:Type: Integer
:Required: No
:Default: ``10``
``journal prezero periods``
:Description: How many stripe periods to zero ahead of write position
:Type: Integer
:Required: No
:Default: ``10``
``journaler batch interval``
:Description: Maximum additional latency in seconds we incur artificially.
:Type: Double
:Required: No
:Default: ``.001``
``journaler batch max``
:Description: Maximum bytes we will delay flushing.
:Type: 64-bit Unsigned Integer
:Required: No
:Default: ``0``