GitHub user zjffdu opened a pull request: https://github.com/apache/zeppelin/pull/3189
[ZEPPELIN-3758]. Convert old note file note.json to new style ### What is this PR for? This PR is follow up of ZEPPELIN-261, it is to convert old note file note.json to new style when user upgrading zeppelin before 0.9. 2 properties are introduced. * `zeppelin.notebook.new_format.convert`, by default it is false. When enabled, zeppelin will first find all the old note file note.json and then convert it into new style. * `zeppelin.notebook.new_format.delete_old`, by default it is false, when setting true, zeppelin will delete the old note file after converting it into new style. ### What type of PR is it? [Improvement] ### Todos * [ ] - Task ### What is the Jira issue? * https://issues.apache.org/jira/browse/ZEPPELIN-3758 ### How should this be tested? * CI pass ### Screenshots (if appropriate) ### Questions: * Does the licenses files need update? No * Is there breaking changes for older versions? No * Does this needs documentation? No You can merge this pull request into a Git repository by running: $ git pull https://github.com/zjffdu/zeppelin ZEPPELIN-3758 Alternatively you can review and apply these changes as the patch at: https://github.com/apache/zeppelin/pull/3189.patch To close this pull request, make a commit to your master/trunk branch with (at least) the following in the commit message: This closes #3189 ---- commit 1f3a39888adb9f1ce722e8304ce7e757893e37b0 Author: Jeff Zhang <zjffdu@...> Date: 2018-09-25T08:59:10Z [ZEPPELIN-3758]. Convert old note file note.json to new style ---- ---