v18.2.0 Reef released

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We're very happy to announce the first stable release of the Reef series.

We express our gratitude to all members of the Ceph community who
contributed by proposing pull requests, testing this release,
providing feedback, and offering valuable suggestions.

Major Changes from Quincy:
- RADOS: RocksDB has been upgraded to version 7.9.2.
- RADOS: There have been significant improvements to RocksDB iteration
overhead and performance.
- RADOS: The perf dump and perf schema commands have been deprecated
in favor of the new counter dump and counter schema commands.
- RADOS: Cache tiering is now deprecated.
- RADOS: A new feature, the "read balancer", is now available, which
allows users to balance primary PGs per pool on their clusters.
- RGW: Bucket resharding is now supported for multi-site configurations.
- RGW: There have been significant improvements to the stability and
consistency of multi-site replication.
- RGW: Compression is now supported for objects uploaded with
Server-Side Encryption.
- Dashboard: There is a new Dashboard page with improved layout.
Active alerts and some important charts are now displayed inside
- RBD: Support for layered client-side encryption has been added.
- Telemetry: Users can now opt in to participate in a leaderboard in
the telemetry public dashboards.

We encourage you to read the full release notes at

Getting Ceph
* Git at git://github.com/ceph/ceph.git
* Tarball at https://download.ceph.com/tarballs/ceph-18.2.0.tar.gz
* Containers at https://quay.io/repository/ceph/ceph
* For packages, see https://docs.ceph.com/docs/master/install/get-packages/
* Release git sha1: 5dd24139a1eada541a3bc16b6941c5dde975e26d

Did you know? Every Ceph release is built and tested on resources
funded directly by the non-profit Ceph Foundation.
If you would like to support this and our other efforts, please
consider joining now https://ceph.io/en/foundation/.
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