October 2017
Intermediate to advanced
340 pages
9h 46m
English
Content preview from Learning Ceph - Second Edition
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New since the first edition
The Jewel LTS release brought a number of significant changes:
- Unified queue of client I/O, recovery, scrubs, and snapshot trimming
- Daemons now run as the ceph user, which must be addressed when upgrading
- Cache tier improvements
- SHEC erasure coding is no longer experimental
- The SWIFT API now supports object expiration
- RBD improvements (now supports suffixes)
- rbd du shows actual and provisioned usage quickly via object-map and fast-diff features
- New rbd status command
- deep-flatten now handles snapshots
- CephFS snapshots can now be renamed
- And CephFS is considered stable!
- Scrubbing improvements
- TCMalloc improvements
- Multisite functionality in RGW significantly improved
- OpenStack Keystone v3 support
- Swift per-tenant ...
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