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Posted to commits@zeppelin.apache.org by pr...@apache.org on 2018/03/02 04:28:14 UTC
svn commit: r1825698 -
/zeppelin/site/docs/0.8.0-SNAPSHOT/usage/other_features/cron_scheduler.html
Author: prabhjyotsingh
Date: Fri Mar 2 04:28:14 2018
New Revision: 1825698
URL: http://svn.apache.org/viewvc?rev=1825698&view=rev
Log:
[ZEPPELIN-3271] Option for disabling scheduler #2821
Added:
zeppelin/site/docs/0.8.0-SNAPSHOT/usage/other_features/cron_scheduler.html
Added: zeppelin/site/docs/0.8.0-SNAPSHOT/usage/other_features/cron_scheduler.html
URL: http://svn.apache.org/viewvc/zeppelin/site/docs/0.8.0-SNAPSHOT/usage/other_features/cron_scheduler.html?rev=1825698&view=auto
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--- zeppelin/site/docs/0.8.0-SNAPSHOT/usage/other_features/cron_scheduler.html (added)
+++ zeppelin/site/docs/0.8.0-SNAPSHOT/usage/other_features/cron_scheduler.html Fri Mar 2 04:28:14 2018
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+
+<!DOCTYPE html>
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+ <title>Apache Zeppelin 0.8.0-SNAPSHOT Documentation: Running a Notebook on a Given Schedule Automatically</title>
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+<!--<div class="hero-unit Running a Notebook on a Given Schedule Automatically">
+ <h1></h1>
+</div>
+-->
+
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+ <div class="col-md-12">
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+Licensed under the Apache License, Version 2.0 (the "License");
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+
+<h1>Running a Notebook on a Given Schedule Automatically</h1>
+
+<div id="toc"></div>
+
+<p>Apache Zeppelin provides a cron scheduler for each notebook. You can run a notebook on a given schedule automatically by setting up a cron scheduler on the notebook.</p>
+
+<h2>Setting up a cron scheduler on a notebook</h2>
+
+<p>Click the clock icon on the tool bar and open a cron scheduler dialog box.</p>
+
+<p><img src="/docs/0.8.0-SNAPSHOT/assets/themes/zeppelin/img/docs-img/cron_scheduler_dialog_box.png" /></p>
+
+<p>There are the following items which you can input or set:</p>
+
+<h3>Preset</h3>
+
+<p>You can set a cron schedule easily by clicking each option such as <code>1m</code> and <code>5m</code>. The login user is set as a cron executing user automatically. You can also clear the cron schedule settings by clicking <code>None</code>.</p>
+
+<h3>Cron expression</h3>
+
+<p>You can set the cron schedule by filling in this form. Please see <a href="http://www.quartz-scheduler.org/documentation/quartz-2.2.x/tutorials/crontrigger">Cron Trigger Tutorial</a> for the available cron syntax.</p>
+
+<h3>Cron executing user</h3>
+
+<p>You can set the cron executing user by filling in this form and press the enter key.</p>
+
+<h3>auto-restart interpreter on cron execution</h3>
+
+<p>When this checkbox is set to "on", the interpreters which are binded to the notebook are stopped automatically after the cron execution. This feature is useful if you want to release the interpreter resources after the cron execution.</p>
+
+<blockquote>
+<p><strong>Note</strong>: A cron execution is skipped if one of the paragraphs is in a state of <code>RUNNING</code> or <code>PENDING</code> no matter whether it is executed automatically (i.e. by the cron scheduler) or manually by a user opening this notebook.</p>
+</blockquote>
+
+<h3>Enable cron</h3>
+
+<p>Set property <strong>zeppelin.notebook.cron.enable</strong> to <strong>true</strong> in <code>$ZEPPELIN_HOME/conf/zeppelin-site.xml</code> to enable Cron feature.</p>
+
+<h3>Run cron selectively on folders</h3>
+
+<p>In <code>$ZEPPELIN_HOME/conf/zeppelin-site.xml</code> make sure the property <strong>zeppelin.notebook.cron.enable</strong> is set to <strong>true</strong>, and then set property <strong>zeppelin.notebook.cron.folders</strong> to the desired folder as comma-separated values, e.g. <code>*yst*, Sys?em, System</code>. This property accepts wildcard and joker.</p>
+
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