Open source Partner Logos 12 © 2022 Cloudera, Inc. All rights reserved. APACHE OZONE COMMUNITY Snapshot - 2022 ● Ozone PMC Chair: Sammi Chen ● 28 PMC members, 61 Committers ○ Committers / PMC members BLOCKS Use proven technologies - don’t reinvent the wheel • RAFT replication – http://raft.github.io ● Open source Java implementation of RAFT - Apache Ratis Library. • Storage Containers – Unit of replication Prashant Pogde, Siyao Meng Ozone PMC, committer 36 © 2022 Cloudera, Inc. All rights reserved. SNAPSHOT USE CASES ● Data protection and backup ○ Bucket Granularity ● Replication and DR ○ Stable source

max_hint_window_in_ms 76 phi_convict_threshold 76 Automatic Backup Properties 76 incremental_backups 76 snapshot_before_compaction 76 Security Properties 76 authenticator 76 authority 77 internode_encryption Node 97 Backing Up and Restoring Data 98 Taking a Snapshot 98 Clearing Snapshot Files 98 Enabling Incremental Backups 98 Restoring from a Snapshot 99 References 99 CQL Language Reference 99 CQL Lexical Cassandra The following best practices are recommended when upgrading Cassandra: • Always take a snapshot before any upgrade. This allows you to rollback to the previous version if necessary. Cassandra

Executor Support ● 33.2 Safe Reclamation ○ 33.2.1 Hazard Pointers ○ 33.2.2 RCU ○ 33.2.3 Latest/Snapshot? ○ 33.2.4 Asymmetric fences 15 © 2021. 16 To learn or not to learn? • What did we learn? • What

DBeaver Ultimate User Guide 24.2.ea. Page 826 of 1171. or situations where you want a consistent snapshot and are okay with potential disruptions. No CREATE statements Do not include statements in

interrupt other database operations. Suitable for databases or situations where you want a consistent snapshot and are okay with potential disruptions. No CREATE statements Do not include statements in