GitHub user prabhjyotsingh opened a pull request:
https://github.com/apache/zeppelin/pull/2683
ZEPPELIN-3072: Zeppelin UI becomes slow/unresponsive if there are too many
notebooks
### What is this PR for?
Zeppelin UI becomes slow/unresponsive if there are too many notebooks
Have attached a notebook directory in
[JIRA](https://issues.apache.org/jira/secure/attachment/12898650/notebook.zip)
with 500+ notebooks, now with these notebooks, every time user goes to homepage
Zeppelin UI becomes unresponsive for few seconds.
### What type of PR is it?
[Bug Fix | Improvement]
### Todos
* [ ] - Fix search box
* [ ] - Order of notebook
### What is the Jira issue?
* [ZEPPELIN-3072](https://issues.apache.org/jira/browse/ZEPPELIN-3072)
### How should this be tested?
Create 500+ notebook, or import it from
[JIRA](https://issues.apache.org/jira/secure/attachment/12898650/notebook.zip),
now observe UI it becomes slow/laggy while homepage is rendering.
### Screenshots (if appropriate)
Before:

After:

### Questions:
* Does the licenses files need update? N/A
* Is there breaking changes for older versions? N/A
* Does this needs documentation? N/A
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/prabhjyotsingh/zeppelin ZEPPELIN-3072
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/zeppelin/pull/2683.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 #2683
----
commit 1fb119d4ae675697e409294a810b5767928d6ea8
Author: prabhjyotsingh <[email protected]>
Date: 2017-11-21T11:30:48Z
ZEPPELIN-3072: Zeppelin UI becomes slow/unresponsive if there are too many
notebooks
Change-Id: Ifd9973070ee09de698be354f657e01ba1645830c
----
---