Generic settings

Understand the generic options for ceph-immutable-object-cache Ceph Block Device daemons.

Table 1 lists the different generic settings for ceph-immutable-object-cache Ceph Block Device daemons.

Table 1. Ceph Block Device ceph-immutable-object-cache generic settings

Option	Description	Type	Default
immutable_object_cache_max_size	The maximum size for immutable cache.	Size	1G
immutable_object_cache_path	The immutable object cache data directory.	String	/tmp/ceph_immutable_object_cache
immutable_object_cache_sock	The path to the domain socket used for communication between librbd clients and the ceph-immutable-object-cache daemon.	String	/var/run/ceph/immutable_object_cache_sock
immutable_object_cache_watermark	The high-water mark for the cache. The value is between zero and one. If the cache size reaches this threshold the daemon starts to delete cold cache based on LRU statistics.	Float	0.9