Github user jongyoul commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/101#issuecomment-112661142
In my case,
From,
```
$ time mvn clean install -DskipTests
[INFO] Total time: 01:44 min
[INFO] Finished at: 2015-06-17T14:30:13+09:00
[INFO] Final Memory: 127M/1683M
[INFO]
------------------------------------------------------------------------
real 1m46.327s
user 2m41.117s
sys 0m8.931s
```
To,
```
$ time mvn package install -DskipTests
[INFO] Total time: 01:09 min
[INFO] Finished at: 2015-06-17T14:37:42+09:00
[INFO] Final Memory: 113M/1456M
[INFO]
------------------------------------------------------------------------
real 1m11.303s
user 1m40.283s
sys 0m5.623s
```
Npm packages are already installed both cases. It helps me more when codes
are bigger.
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