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From maha...@apache.org
Subject svn commit: r740219 - in /hadoop/zookeeper/trunk/docs: zookeeperQuotas.html zookeeperQuotas.pdf
Date Tue, 03 Feb 2009 05:27:43 GMT
Author: mahadev
Date: Tue Feb  3 05:27:43 2009
New Revision: 740219

URL: http://svn.apache.org/viewvc?rev=740219&view=rev
Log:
ZOOKEEPER-231. Committing updated docs.

Added:
    hadoop/zookeeper/trunk/docs/zookeeperQuotas.html
    hadoop/zookeeper/trunk/docs/zookeeperQuotas.pdf

Added: hadoop/zookeeper/trunk/docs/zookeeperQuotas.html
URL: http://svn.apache.org/viewvc/hadoop/zookeeper/trunk/docs/zookeeperQuotas.html?rev=740219&view=auto
==============================================================================
--- hadoop/zookeeper/trunk/docs/zookeeperQuotas.html (added)
+++ hadoop/zookeeper/trunk/docs/zookeeperQuotas.html Tue Feb  3 05:27:43 2009
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+<meta content="Apache Forrest" name="Generator">
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+<title>ZooKeeper Quota's Guide</title>
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+<link media="screen" type="text/css" href="skin/screen.css" rel="stylesheet">
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+<body onload="init()">
+<script type="text/javascript">ndeSetTextSize();</script>
+<div id="top">
+<!--+
+    |breadtrail
+    +-->
+<div class="breadtrail">
+<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://hadoop.apache.org/">Hadoop</a>
&gt; <a href="http://hadoop.apache.org/zookeeper/">ZooKeeper</a><script
src="skin/breadcrumbs.js" language="JavaScript" type="text/javascript"></script>
+</div>
+<!--+
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+    +-->
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+<div onclick="SwitchMenu('menu_1.1', 'skin/')" id="menu_1.1Title" class="menutitle">Overview</div>
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+</div>
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+</div>
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+</div>
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+</div>
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+<a href="recipes.html">Recipes</a>
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style="background-image: url('skin/images/chapter_open.gif');">Admin &amp; Ops</div>
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+<div class="menuitem">
+<a href="zookeeperAdmin.html">Administrator's Guide</a>
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class="skin"><br>
+        PDF</a>
+</div>
+<h1>ZooKeeper Quota's Guide</h1>
+<h3>A Guide to Deployment and Administration</h3>
+<div id="minitoc-area">
+<ul class="minitoc">
+<li>
+<a href="#zookeeper_quotas">Quotas</a>
+<ul class="minitoc">
+<li>
+<a href="#Setting+Quotas">Setting Quotas</a>
+</li>
+<li>
+<a href="#Listing+Quotas">Listing Quotas</a>
+</li>
+<li>
+<a href="#Deleting+Quotas"> Deleting Quotas</a>
+</li>
+</ul>
+</li>
+</ul>
+</div>
+	
+	
+	
+	
+<a name="N1000B"></a><a name="zookeeper_quotas"></a>
+<h2 class="h3">Quotas</h2>
+<div class="section">
+<p> ZooKeeper has both namespace and bytes quotas. You can use the ZooKeeperMain class
to setup quotas.
+	ZooKeeper prints <em>WARN</em> messages if users exceed the quota assigned to
them. The messages 
+	are printed in the log of the ZooKeeper. 
+	</p>
+<p>
+<span class="codefrag computeroutput">$java -cp zookeeper.jar:src/java/lib/log4j-1.2.15.jar/conf
\
+	 org.apache.zookeeper.ZooKeeperMain host:port</span>
+</p>
+<p> The above command gives you a command line option of using quotas.</p>
+<a name="N1001F"></a><a name="Setting+Quotas"></a>
+<h3 class="h4">Setting Quotas</h3>
+<p>You can use 
+	 <em>setquota</em> to set a quota on a ZooKeeper node. It has an option of setting
quota with
+	  -n (for namespace)
+	 and -b (for bytes). </p>
+<p> The ZooKeeper quota are stored in ZooKeeper itself in /zookeeper/quota. To disable
other people from
+	changing the quota's set the ACL for /zookeeper/quota such that only admins are able to
read and write to it.
+	</p>
+<a name="N1002F"></a><a name="Listing+Quotas"></a>
+<h3 class="h4">Listing Quotas</h3>
+<p> You can use
+	<em>listquota</em> to list a quota on a ZooKeeper node.
+	</p>
+<a name="N1003C"></a><a name="Deleting+Quotas"></a>
+<h3 class="h4"> Deleting Quotas</h3>
+<p> You can use
+	<em>delquota</em> to delete quota on a ZooKeeper node.
+	</p>
+</div>
+	
+<p align="right">
+<font size="-2"></font>
+</p>
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+<script type="text/javascript"><!--
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+//  --></script>
+</div>
+<div class="copyright">
+        Copyright &copy;
+         2008 <a href="http://www.apache.org/licenses/">The Apache Software Foundation.</a>
+</div>
+<!--+
+    |end bottomstrip
+    +-->
+</div>
+</body>
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Added: hadoop/zookeeper/trunk/docs/zookeeperQuotas.pdf
URL: http://svn.apache.org/viewvc/hadoop/zookeeper/trunk/docs/zookeeperQuotas.pdf?rev=740219&view=auto
==============================================================================
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