[ZEPPELIN-4690] Write the second NotebookRepo in async way in NotebookRepoSync

• Type: New Feature
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 0.9.0
• Component/s: NotebookRepo
• Assignee: Unassigned
• Reporter: Jeff Zhang
• Created: 20/Mar/20 06:50
• Updated: 20/Mar/20 06:50

Description

Currently, we write the second NotebookRepo in sync way, this might cause performance issue sometime. e.g. users would use local disk as the first NotebookRepo while choose cloud storage as the second storage. Cloud storage is usually slow compared to local disk.