blob: 20625903824e36cf7e663d0904aa880977c2832b [file] [log] [blame]
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Hadoop Ozone Documentation">
<title>Documentation for Apache Hadoop Ozone</title>
<link href="../css/bootstrap.min.css" rel="stylesheet">
<link href="../css/ozonedoc.css" rel="stylesheet">
</head>
<body>
<nav class="navbar navbar-inverse navbar-fixed-top">
<div class="container-fluid">
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#sidebar" aria-expanded="false" aria-controls="navbar">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<a href="#" class="navbar-left" style="height: 50px; padding: 5px 5px 5px 0;">
<img src="../ozone-logo-small.png" width="40"/>
</a>
<a class="navbar-brand hidden-xs" href="#">
Apache Hadoop Ozone/HDDS documentation
</a>
<a class="navbar-brand visible-xs-inline" href="#">Hadoop Ozone</a>
</div>
<div id="navbar" class="navbar-collapse collapse">
<ul class="nav navbar-nav navbar-right">
<li><a href="https://github.com/apache/hadoop">Source</a></li>
<li><a href="https://hadoop.apache.org">Apache Hadoop</a></li>
<li><a href="https://apache.org">ASF</a></li>
</ul>
</div>
</div>
</nav>
<div class="container-fluid">
<div class="row">
<div class="col-sm-2 col-md-2 sidebar" id="sidebar">
<ul class="nav nav-sidebar">
<li class="">
<a href="../index.html">
<span>Overview</span>
</a>
</li>
<li class="">
<a href="../start.html">
<span>Getting Started</span>
</a>
</li>
<li class="">
<a href="../shell.html">
<span>Command Line Interface</span>
</a>
</li>
<li class="">
<a href="../interface.html">
<span>Programming Interfaces</span>
</a>
</li>
<li class="">
<a href="../security.html">
<span>Security</span>
</a>
</li>
<li class="">
<a href="../concept.html">
<span>Concepts</span>
</a>
</li>
<li class="">
<a href="../beyond.html">
<span>Beyond Basics</span>
</a>
</li>
<li class="">
<a href="../tools.html">
<span>Tools</span>
</a>
</li>
<li class="">
<a href="../recipe.html">
<span>Recipes</span>
</a>
</li>
<li class="visible-xs"><a href="#">References</a>
<ul class="nav">
<li><a href="https://github.com/apache/hadoop"><span class="glyphicon glyphicon-new-window" aria-hidden="true"></span> Source</a></li>
<li><a href="https://hadoop.apache.org"><span class="glyphicon glyphicon-new-window" aria-hidden="true"></span> Apache Hadoop</a></li>
<li><a href="https://apache.org"><span class="glyphicon glyphicon-new-window" aria-hidden="true"></span> ASF</a></li>
</ul></li>
</ul>
</div>
<div class="col-sm-10 col-sm-offset-2 col-md-10 col-md-offset-2 main">
<div class="col-md-9">
<nav aria-label="breadcrumb">
<ol class="breadcrumb">
<li class="breadcrumb-item"><a href="../">Home</a></li>
<li class="breadcrumb-item" aria-current="page"><a href="../shell.html">Command Line Interface</a></li>
<li class="breadcrumb-item active" aria-current="page">Key Commands</li>
</ol>
</nav>
<div class="col-md-9">
<h1>Key Commands</h1>
</div>
<!---
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<p>Ozone shell supports the following key commands.</p>
<ul>
<li><a href="#get">get</a></li>
<li><a href="#put">put</a></li>
<li><a href="#delete">delete</a></li>
<li><a href="#info">info</a></li>
<li><a href="#list">list</a></li>
<li><a href="#rename">rename</a></li>
</ul>
<h3 id="get">Get</h3>
<p>The <code>key get</code> command downloads a key from Ozone cluster to local file system.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the key in <strong>/volume/bucket/key</strong> format.</td>
</tr>
<tr>
<td>FileName</td>
<td>Local file to download the key to.</td>
</tr>
</tbody>
</table>
<p><div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key get /hive/jan/sales.orc sales.orc</code></pre></div>
Downloads the file sales.orc from the <em>/hive/jan</em> bucket and writes to the
local file sales.orc.</p>
<h3 id="put">Put</h3>
<p>The <code>key put</code> command uploads a file from the local file system to the specified bucket.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the key in <strong>/volume/bucket/key</strong> format.</td>
</tr>
<tr>
<td>FileName</td>
<td>Local file to upload.</td>
</tr>
<tr>
<td>-r, --replication</td>
<td>Optional, Number of copies, ONE or THREE are the options. Picks up the default from cluster configuration.</td>
</tr>
</tbody>
</table>
<p><div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key put /hive/jan/corrected-sales.orc sales.orc</code></pre></div>
The above command will put the sales.orc as a new key into <em>/hive/jan/corrected-sales.orc</em>.</p>
<h3 id="delete">Delete</h3>
<p>The <code>key delete</code> command removes the key from the bucket.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the key.</td>
</tr>
</tbody>
</table>
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key delete /hive/jan/corrected-sales.orc</code></pre></div>
<p>The above command deletes the key <em>/hive/jan/corrected-sales.orc</em>.</p>
<h3 id="info">Info</h3>
<p>The <code>key info</code> commands returns the information about the key.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the key.</td>
</tr>
</tbody>
</table>
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key info /hive/jan/sales.orc</code></pre></div>
<p>The above command will print out the information about <em>/hive/jan/sales.orc</em>
key.</p>
<h3 id="list">List</h3>
<p>The <code>key list</code> command allows user to list all keys in a bucket.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>-l, --length</td>
<td>Maximum number of results to return. Default: 1000</td>
</tr>
<tr>
<td>-p, --prefix</td>
<td>Optional, Only buckets that match this prefix will be returned.</td>
</tr>
<tr>
<td>-s, --start</td>
<td>The listing will start from key after the start key.</td>
</tr>
<tr>
<td>Uri</td>
<td>The name of the <em>volume</em>.</td>
</tr>
</tbody>
</table>
<div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key list /hive/jan</code></pre></div>
<p>This command will list all keys in the bucket <em>/hive/jan</em>.</p>
<h3 id="rename">Rename</h3>
<p>The <code>key rename</code> command changes the name of an existing key in the specified bucket.</p>
<p><strong><em>Params:</em></strong></p>
<table>
<thead>
<tr>
<th>Arguments</th>
<th>Comment</th>
</tr>
</thead>
<tbody>
<tr>
<td>Uri</td>
<td>The name of the bucket in <strong>/volume/bucket</strong> format.</td>
</tr>
<tr>
<td>FromKey</td>
<td>The existing key to be renamed</td>
</tr>
<tr>
<td>ToKey</td>
<td>The new desired name of the key</td>
</tr>
</tbody>
</table>
<p><div class="highlight"><pre style="color:#f8f8f2;background-color:#272822;-moz-tab-size:4;-o-tab-size:4;tab-size:4"><code class="language-bash" data-lang="bash">ozone sh key rename /hive/jan sales.orc new_name.orc</code></pre></div>
The above command will rename <em>sales.orc</em> to <em>new_name.orc</em> in the bucket <em>/hive/jan</em>.</p>
</div>
</div>
</div>
</div>
<script src="../js/jquery-3.4.1.min.js"></script>
<script src="../js/ozonedoc.js"></script>
<script src="../js/bootstrap.min.js"></script>
</body>
</html>