Delete

TODO: File a subtask under HDDS-9862 and complete this page or section.

Deleting Metadata

Deleting Data

Trace every part of a delete request from beginning to end. This includes:

• Client getting encryption keys
• Client calling OM to delete the key
• OM validating client's Kerberos principal
• OM checking permissions (Ranger or Native ACLs)
• OM marking the key for deletion and removing it from the namespace.
• OM acking to the client
• OM sending blocks to delete to SCM
• SCM sending blocks to delete to the Datanode
• Datanode removes data

Note that delete works the same regardless of replication type. Also document timing of background services and their batch size to estimate the rate of deletion.