amakaur

[ZEPPELIN-4504] pre-index notebooks in the background to fix search ability

2

### What is this PR for? Before this PR zepp was unable to search for keywords in existing notebooks that have not been updated in any way after a restart....

[ZEPPELIN-4413] Added a close note button on zepp ui to shut down sc and release roso…

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### What is this PR for? Adds the ability to shut down interpreter and free allocated resources for a notebook via zeppelin ui. This makes it easy to close the...

[ZEPPELIN-4412] Added REST Api to shut down spark context for notebook

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### What is this PR for? This provides the ability to shut down interpreter for a specific notebook. This makes it easier to release any allocated resources or close spark...

[ZEPPELIN-4409] Set spark.app.name to know which user is running which notebook

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### What is this PR for? This PR sets spark.app.name to "Zeppelin Notebook xxxxx for user test" which makes it helpful to know which notebooks are currently being used and...

[ZEPPELIN-4407] Add the ability to copy/paste result table

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### What is this PR for? This PR provides the ability to copy/paste the entire result table from a paragraph. Currently, there's an option to download the result table into...