How to sort the data on multiple columns in apache spark scala?
<p>I have data set like this which I am taking from csv file and converting it into RDD using scala.</p>

<pre><code>+-----------+-----------+----------+
| recent    | Freq      | Monitor  |
+-----------+-----------+----------+
|        1  |       1234 |   199090|
|        4  |       2553|    198613|
|        6  |       3232 |   199090|
|        1  |       8823 |   498831|
|        7  |       2902 |   890000|
|        8  |       7991 |   081097|
|        9  |       7391 |   432370|
|        12 |       6138 |   864981|
|        7  |       6812 |   749821|
+-----------+-----------+----------+
</code></pre>

<p>How to sort the data on all columns ?</p>

<p>Thanks</p>