Squid is the 19th stable release of Ceph.
Major Changes from Reef ¶
Highlights ¶
RADOS
- BlueStore has been optimized for better performance in snapshot-intensive workloads.
- BlueStore RocksDB LZ4 compression is now enabled by default to improve average performance and “fast device” space usage.
- Other improvements include more flexible EC configurations, an OpTracker to help debug mgr module issues, and better scrub scheduling.
Dashboard
- Improved navigation layout
CephFS
- Support for managing CephFS snapshots and clones, as well as snapshot schedule management
- Manage authorization capabilities for CephFS resources
- Helpers on mounting a CephFS volume
RBD
- diff-iterate can now execute locally, bringing a dramatic performance improvement for QEMU live disk synchronization and backup use cases.
- Support for cloning from non-user type snapshots is added.
- rbd-wnbd driver has gained the ability to multiplex image mappings.
RGW
- The User Accounts feature unlocks several new AWS-compatible IAM APIs for the self-service management of users, keys, groups, roles, policy and more.
Crimson/Seastore
- Crimson’s first tech preview release! Supporting RBD workloads on Replicated pools. For more information please visit: https://ceph.io/en/news/crimson
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