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Ceph and immutable & append only storage
Started, Work in Progress, NormalPublic

Description

The CEPH_OSD_ALLOC_HINT_FLAG_IMMUTABLE and CEPH_OSD_ALLOC_HINT_FLAG_APPEND_ONLY flags are set by rados bench via ALLOC_HINT_FLAG_IMMUTABLE and ALLOC_HINT_FLAG_APPEND_ONLY. It is used by BlueStore to decide on checksum and compression heuristics.

https://github.com/ceph/ceph/blob/3f5e778ad6f055296022e8edabf701b6958fb602/src/os/bluestore/BlueStore.cc#L14304-L14346

Related Objects

StatusAssignedTask
Work in Progressdachary
Work in Progressdachary
Work in Progressdachary

Event Timeline

dachary changed the task status from Open to Work in Progress.Wed, Feb 17, 8:10 AM
dachary triaged this task as Normal priority.
dachary created this task.
dachary created this object in space S1 Public.