[jira] [Created] (ZEPPELIN-2125) Download helium.json when really needed

[Hoon Park (JIRA)]

Hoon Park created ZEPPELIN-2125:
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             Summary: Download helium.json when really needed
                 Key: ZEPPELIN-2125
                 URL: https://issues.apache.org/jira/browse/ZEPPELIN-2125
             Project: Zeppelin
          Issue Type: Improvement
          Components: helium
            Reporter: Hoon Park
             Fix For: 0.8.0


Currently, {{getAllPackageInfo}} function fetch {{helium.json}} every time. We 
can improve this by

- Downloading it's really necessary. For example, startup, refresh button is 
clicked.
- Otherwise, Let's use cache.



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