[HDDS-2416] Ozone Trash Feature (implementing)

Authors: Matthew Sharp
2019-11-07

 

Summary
Feature provides a user with the ability to recover keys that may have been deleted accidentally. (similar to the HDFS trash feature).

The design doc is uploaded to the JIRA:

https://issues.apache.org/jira/secure/attachment/12985273/Ozone_Trash_Feature.docx

Special note

Trash is disabled for both o3fs and ofs even if fs.trash.interval is set on purpose. (HDDS-3982)