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Posted to commits@accumulo.apache.org by bu...@apache.org on 2015/05/18 06:27:54 UTC
svn commit: r951681 [8/9] - in /websites/staging/accumulo/trunk/content: ./
1.7/ 1.7/examples/
Added: websites/staging/accumulo/trunk/content/1.7/examples/reservations.html
==============================================================================
--- websites/staging/accumulo/trunk/content/1.7/examples/reservations.html (added)
+++ websites/staging/accumulo/trunk/content/1.7/examples/reservations.html Mon May 18 04:27:53 2015
@@ -0,0 +1,285 @@
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+
+ <h1 class="title">Apache Accumulo Isolation Example</h1>
+
+ <p>This example shows running a simple reservation system implemented using
+conditional mutations. This system guarantees that only one concurrent user can
+reserve a resource. The example's reserve command allows multiple users to be
+specified. When this is done, it creates a separate reservation thread for each
+user. In the example below threads are spun up for alice, bob, eve, mallory,
+and trent to reserve room06 on 20140101. Bob ends up getting the reservation
+and everyone else is put on a wait list. The example code will take any string
+for what, when and who.</p>
+<div class="codehilite"><pre>$ <span class="o">./</span><span class="n">bin</span><span class="o">/</span><span class="n">accumulo</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">examples</span><span class="p">.</span><span class="n">simple</span><span class="p">.</span><span class="n">reservations</span><span class="p">.</span><span class="n">ARS</span>
+<span class="o">></span><span class="n">connect</span> <span class="n">test16</span> <span class="n">localhost</span> <span class="n">root</span> <span class="n">secret</span> <span class="n">ars</span>
+ <span class="n">connected</span>
+<span class="o">></span>
+ <span class="n">Commands</span> <span class="p">:</span>
+ <span class="n">reserve</span> <span class="o"><</span><span class="n">what</span><span class="o">></span> <span class="o"><</span><span class="n">when</span><span class="o">></span> <span class="o"><</span><span class="n">who</span><span class="o">></span> <span class="p">{</span><span class="n">who</span><span class="p">}</span>
+ <span class="n">cancel</span> <span class="o"><</span><span class="n">what</span><span class="o">></span> <span class="o"><</span><span class="n">when</span><span class="o">></span> <span class="o"><</span><span class="n">who</span><span class="o">></span>
+ <span class="n">list</span> <span class="o"><</span><span class="n">what</span><span class="o">></span> <span class="o"><</span><span class="n">when</span><span class="o">></span>
+<span class="o">></span><span class="n">reserve</span> <span class="n">room06</span> 20140101 <span class="n">alice</span> <span class="n">bob</span> <span class="n">eve</span> <span class="n">mallory</span> <span class="n">trent</span>
+ <span class="n">bob</span> <span class="p">:</span> <span class="n">RESERVED</span>
+ <span class="n">mallory</span> <span class="p">:</span> <span class="n">WAIT_LISTED</span>
+ <span class="n">alice</span> <span class="p">:</span> <span class="n">WAIT_LISTED</span>
+ <span class="n">trent</span> <span class="p">:</span> <span class="n">WAIT_LISTED</span>
+ <span class="n">eve</span> <span class="p">:</span> <span class="n">WAIT_LISTED</span>
+<span class="o">></span><span class="n">list</span> <span class="n">room06</span> 20140101
+ <span class="n">Reservation</span> <span class="n">holder</span> <span class="p">:</span> <span class="n">bob</span>
+ <span class="n">Wait</span> <span class="n">list</span> <span class="p">:</span> <span class="p">[</span><span class="n">mallory</span><span class="p">,</span> <span class="n">alice</span><span class="p">,</span> <span class="n">trent</span><span class="p">,</span> <span class="n">eve</span><span class="p">]</span>
+<span class="o">></span><span class="n">cancel</span> <span class="n">room06</span> 20140101 <span class="n">alice</span>
+<span class="o">></span><span class="n">cancel</span> <span class="n">room06</span> 20140101 <span class="n">bob</span>
+<span class="o">></span><span class="n">list</span> <span class="n">room06</span> 20140101
+ <span class="n">Reservation</span> <span class="n">holder</span> <span class="p">:</span> <span class="n">mallory</span>
+ <span class="n">Wait</span> <span class="n">list</span> <span class="p">:</span> <span class="p">[</span><span class="n">trent</span><span class="p">,</span> <span class="n">eve</span><span class="p">]</span>
+<span class="o">></span><span class="n">quit</span>
+</pre></div>
+
+
+<p>Scanning the table in the Accumulo shell after running the example shows the
+following:</p>
+<div class="codehilite"><pre><span class="n">root</span><span class="p">@</span><span class="n">test16</span><span class="o">></span> <span class="n">table</span> <span class="n">ars</span>
+<span class="n">root</span><span class="p">@</span><span class="n">test16</span> <span class="n">ars</span><span class="o">></span> <span class="n">scan</span>
+<span class="n">room06</span><span class="p">:</span>20140101 <span class="n">res</span><span class="p">:</span>0001 <span class="p">[]</span> <span class="n">mallory</span>
+<span class="n">room06</span><span class="p">:</span>20140101 <span class="n">res</span><span class="p">:</span>0003 <span class="p">[]</span> <span class="n">trent</span>
+<span class="n">room06</span><span class="p">:</span>20140101 <span class="n">res</span><span class="p">:</span>0004 <span class="p">[]</span> <span class="n">eve</span>
+<span class="n">room06</span><span class="p">:</span>20140101 <span class="n">tx</span><span class="p">:</span><span class="n">seq</span> <span class="p">[]</span> 6
+</pre></div>
+
+
+<p>The tx:seq column is incremented for each update to the row allowing for
+detection of concurrent changes. For an update to go through, the sequence
+number must not have changed since the data was read. If it does change,
+the conditional mutation will fail and the example code will retry.</p>
+ </div>
+
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+ <p>
+ Copyright © 2011-2014 The Apache Software Foundation, Licensed under
+ the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.
+ Apache Accumulo, Accumulo, Apache, the Apache feather logo, and the Apache Accumulo
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Added: websites/staging/accumulo/trunk/content/1.7/examples/rowhash.html
==============================================================================
--- websites/staging/accumulo/trunk/content/1.7/examples/rowhash.html (added)
+++ websites/staging/accumulo/trunk/content/1.7/examples/rowhash.html Mon May 18 04:27:53 2015
@@ -0,0 +1,277 @@
+<!DOCTYPE html>
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+
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+
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+ <title>Apache Accumulo RowHash Example</title>
+
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+<!--
+ <div id="bannertext">
+ <img id="logo" alt="Apache Accumulo ™" src="/images/accumulo-logo.png"/>
+ </div>
+-->
+
+ <div id="content">
+
+ <h1 class="title">Apache Accumulo RowHash Example</h1>
+
+ <p>This example shows a simple map/reduce job that reads from an accumulo table and
+writes back into that table.</p>
+<p>To run this example you will need some data in a table. The following will
+put a trivial amount of data into accumulo using the accumulo shell:</p>
+<div class="codehilite"><pre>$ <span class="o">./</span><span class="n">bin</span><span class="o">/</span><span class="n">accumulo</span> <span class="n">shell</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span> <span class="o">-</span><span class="n">p</span> <span class="n">password</span>
+<span class="n">Shell</span> <span class="o">-</span> <span class="n">Apache</span> <span class="n">Accumulo</span> <span class="n">Interactive</span> <span class="n">Shell</span>
+<span class="o">-</span> <span class="n">version</span><span class="p">:</span> 1<span class="p">.</span>6<span class="p">.</span>0
+<span class="o">-</span> <span class="n">instance</span> <span class="n">name</span><span class="p">:</span> <span class="n">instance</span>
+<span class="o">-</span> <span class="n">instance</span> <span class="n">id</span><span class="p">:</span> 00000000<span class="o">-</span>0000<span class="o">-</span>0000<span class="o">-</span>0000<span class="o">-</span>000000000000
+<span class="o">-</span>
+<span class="o">-</span> <span class="n">type</span> <span class="s">'help'</span> <span class="k">for</span> <span class="n">a</span> <span class="n">list</span> <span class="n">of</span> <span class="n">available</span> <span class="n">commands</span>
+<span class="o">-</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">createtable</span> <span class="n">input</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">insert</span> <span class="n">a</span><span class="o">-</span><span class="n">row</span> <span class="n">cf</span> <span class="n">cq</span> <span class="n">value</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">insert</span> <span class="n">b</span><span class="o">-</span><span class="n">row</span> <span class="n">cf</span> <span class="n">cq</span> <span class="n">value</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">quit</span>
+</pre></div>
+
+
+<p>The RowHash class will insert a hash for each row in the database if it contains a
+specified colum. Here's how you run the map/reduce job</p>
+<div class="codehilite"><pre>$ <span class="n">bin</span><span class="o">/</span><span class="n">tool</span><span class="p">.</span><span class="n">sh</span> <span class="n">lib</span><span class="o">/</span><span class="n">accumulo</span><span class="o">-</span><span class="n">examples</span><span class="o">-</span><span class="n">simple</span><span class="p">.</span><span class="n">jar</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">examples</span><span class="p">.</span><span class="n">simple</span><span class="p">.</span><span class="n">mapreduce</span><span class="p">.</span><span class="n">RowHash</span> <span class="o">-</span><span class="n">u</span> <span class="n">user</span> <span class="o">-</span><span class="n">p</span> <span class="n">passwd</span> <span class="o">-</span><span class="nb">i</span> <span class="n">instance</span> <span cl
ass="o">-</span><span class="n">t</span> <span class="n">input</span> <span class="o">--</span><span class="n">column</span> <span class="n">cf</span><span class="p">:</span><span class="n">cq</span>
+</pre></div>
+
+
+<p>Now we can scan the table and see the hashes:</p>
+<div class="codehilite"><pre>$ <span class="o">./</span><span class="n">bin</span><span class="o">/</span><span class="n">accumulo</span> <span class="n">shell</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span> <span class="o">-</span><span class="n">p</span> <span class="n">password</span>
+<span class="n">Shell</span> <span class="o">-</span> <span class="n">Apache</span> <span class="n">Accumulo</span> <span class="n">Interactive</span> <span class="n">Shell</span>
+<span class="o">-</span> <span class="n">version</span><span class="p">:</span> 1<span class="p">.</span>6<span class="p">.</span>0
+<span class="o">-</span> <span class="n">instance</span> <span class="n">name</span><span class="p">:</span> <span class="n">instance</span>
+<span class="o">-</span> <span class="n">instance</span> <span class="n">id</span><span class="p">:</span> 00000000<span class="o">-</span>0000<span class="o">-</span>0000<span class="o">-</span>0000<span class="o">-</span>000000000000
+<span class="o">-</span>
+<span class="o">-</span> <span class="n">type</span> <span class="s">'help'</span> <span class="k">for</span> <span class="n">a</span> <span class="n">list</span> <span class="n">of</span> <span class="n">available</span> <span class="n">commands</span>
+<span class="o">-</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">scan</span> <span class="o">-</span><span class="n">t</span> <span class="n">input</span>
+<span class="n">a</span><span class="o">-</span><span class="n">row</span> <span class="n">cf</span><span class="p">:</span><span class="n">cq</span> <span class="p">[]</span> <span class="n">value</span>
+<span class="n">a</span><span class="o">-</span><span class="n">row</span> <span class="n">cf</span><span class="o">-</span><span class="n">HASHTYPE</span><span class="p">:</span><span class="n">cq</span><span class="o">-</span><span class="n">MD5BASE64</span> <span class="p">[]</span> <span class="n">IGPBYI1uC6</span><span class="o">+</span><span class="n">AJJxC4r5YBA</span><span class="o">==</span>
+<span class="n">b</span><span class="o">-</span><span class="n">row</span> <span class="n">cf</span><span class="p">:</span><span class="n">cq</span> <span class="p">[]</span> <span class="n">value</span>
+<span class="n">b</span><span class="o">-</span><span class="n">row</span> <span class="n">cf</span><span class="o">-</span><span class="n">HASHTYPE</span><span class="p">:</span><span class="n">cq</span><span class="o">-</span><span class="n">MD5BASE64</span> <span class="p">[]</span> <span class="n">IGPBYI1uC6</span><span class="o">+</span><span class="n">AJJxC4r5YBA</span><span class="o">==</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span>
+</pre></div>
+ </div>
+
+ <div id="footer">
+ <a alt="Apache Software Foundation" href="http://www.apache.org">
+ <img id="asf-logo" alt="Apache Software Foundation" src="/images/feather-small.gif" width="100">
+ </a>
+ <div class="copyright">
+ <p>
+ Copyright © 2011-2014 The Apache Software Foundation, Licensed under
+ the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.
+ Apache Accumulo, Accumulo, Apache, the Apache feather logo, and the Apache Accumulo
+ project logo are trademarks of the <a href="http://www.apache.org">Apache Software Foundation</a>.<br />
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+
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+
+<script type="text/javascript">
+
+</script>
+</body>
+</html>
Added: websites/staging/accumulo/trunk/content/1.7/examples/shard.html
==============================================================================
--- websites/staging/accumulo/trunk/content/1.7/examples/shard.html (added)
+++ websites/staging/accumulo/trunk/content/1.7/examples/shard.html Mon May 18 04:27:53 2015
@@ -0,0 +1,289 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<!--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
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+ 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
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+ 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.
+-->
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+ <![endif]-->
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+ <link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
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+
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+<!--
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+-->
+
+ <div id="content">
+
+ <h1 class="title">Apache Accumulo Shard Example</h1>
+
+ <p>Accumulo has an iterator called the intersecting iterator which supports querying a term index that is partitioned by
+document, or "sharded". This example shows how to use the intersecting iterator through these four programs:</p>
+<ul>
+<li>Index.java - Indexes a set of text files into an Accumulo table</li>
+<li>Query.java - Finds documents containing a given set of terms.</li>
+<li>Reverse.java - Reads the index table and writes a map of documents to terms into another table.</li>
+<li>ContinuousQuery.java Uses the table populated by Reverse.java to select N random terms per document. Then it continuously and randomly queries those terms.</li>
+</ul>
+<p>To run these example programs, create two tables like below.</p>
+<div class="codehilite"><pre><span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">createtable</span> <span class="n">shard</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span> <span class="n">shard</span><span class="o">></span> <span class="n">createtable</span> <span class="n">doc2term</span>
+</pre></div>
+
+
+<p>After creating the tables, index some files. The following command indexes all of the java files in the Accumulo source code.</p>
+<div class="codehilite"><pre>$ <span class="n">cd</span> <span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span>
+$ <span class="nb">find</span> <span class="n">core</span><span class="o">/</span><span class="n">src</span> <span class="n">server</span><span class="o">/</span><span class="n">src</span> <span class="o">-</span><span class="n">name</span> "<span class="o">*</span><span class="p">.</span><span class="n">java</span>" <span class="o">|</span> <span class="n">xargs</span> <span class="o">./</span><span class="n">bin</span><span class="o">/</span><span class="n">accumulo</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">examples</span><span class="p">.</span><span class="n">simple</span><span class="p">.</span><span class="n">shard</span><span class="p">.</span><span class="n">Index</span> <span class="o">-</span><span class="nb">i</span> <span class="n">instance</span> <span class="o">-</span><span class="n">z</span> <span class="n">zookeepers</s
pan> <span class="o">-</span><span class="n">t</span> <span class="n">shard</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span> <span class="o">-</span><span class="n">p</span> <span class="n">password</span> <span class="o">--</span><span class="n">partitions</span> 30
+</pre></div>
+
+
+<p>The following command queries the index to find all files containing 'foo' and 'bar'.</p>
+<div class="codehilite"><pre>$ <span class="n">cd</span> $<span class="n">ACCUMULO_HOME</span>
+$ <span class="o">./</span><span class="n">bin</span><span class="o">/</span><span class="n">accumulo</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">examples</span><span class="p">.</span><span class="n">simple</span><span class="p">.</span><span class="n">shard</span><span class="p">.</span><span class="n">Query</span> <span class="o">-</span><span class="nb">i</span> <span class="n">instance</span> <span class="o">-</span><span class="n">z</span> <span class="n">zookeepers</span> <span class="o">-</span><span class="n">t</span> <span class="n">shard</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span> <span class="o">-</span><span class="n">p</span> <span class="n">password</span> <span class="n">foo</span> <span class="n">bar</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">security</span><span class="o">/</span><span class="n">ColumnVisibilityTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">client</span><span class="o">/</span><span class="n">mock</span><span class="o">/</span><span class="n">MockConnectorTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">security</span><span class="o">/</span><span class="n">VisibilityEvaluatorTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">main</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">functional</span><span class="o">/</span><span class="n">RowDeleteTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">logger</span><span class="o">/</span><span class="n">TestLogWriter</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">main</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">functional</span><span class="o">/</span><span class="n">DeleteEverythingTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">data</span><span class="o">/</span><span class="n">KeyExtentTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">constraints</span><span class="o">/</span><span class="n">MetadataConstraintsTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">core</span><span class="o">/</span><span class="n">iterators</span><span class="o">/</span><span class="n">WholeRowIteratorTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">util</span><span class="o">/</span><span class="n">DefaultMapTest</span><span class="p">.</span><span class="n">java</span>
+<span class="o">/</span><span class="n">local</span><span class="o">/</span><span class="n">username</span><span class="o">/</span><span class="n">workspace</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">src</span><span class="o">/</span><span class="n">test</span><span class="o">/</span><span class="n">java</span><span class="o">/</span><span class="n">accumulo</span><span class="o">/</span><span class="n">server</span><span class="o">/</span><span class="n">tabletserver</span><span class="o">/</span><span class="n">InMemoryMapTest</span><span class="p">.</span><span class="n">java</span>
+</pre></div>
+
+
+<p>In order to run ContinuousQuery, we need to run Reverse.java to populate doc2term.</p>
+<div class="codehilite"><pre>$ <span class="o">./</span><span class="n">bin</span><span class="o">/</span><span class="n">accumulo</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">examples</span><span class="p">.</span><span class="n">simple</span><span class="p">.</span><span class="n">shard</span><span class="p">.</span><span class="n">Reverse</span> <span class="o">-</span><span class="nb">i</span> <span class="n">instance</span> <span class="o">-</span><span class="n">z</span> <span class="n">zookeepers</span> <span class="o">--</span><span class="n">shardTable</span> <span class="n">shard</span> <span class="o">--</span><span class="n">doc2Term</span> <span class="n">doc2term</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span> <span class="o">-</span><span class="n">p</span> <span class="n">password</span>
+</pre></div>
+
+
+<p>Below ContinuousQuery is run using 5 terms. So it selects 5 random terms from each document, then it continually
+randomly selects one set of 5 terms and queries. It prints the number of matching documents and the time in seconds.</p>
+<div class="codehilite"><pre>$ <span class="o">./</span><span class="n">bin</span><span class="o">/</span><span class="n">accumulo</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">examples</span><span class="p">.</span><span class="n">simple</span><span class="p">.</span><span class="n">shard</span><span class="p">.</span><span class="n">ContinuousQuery</span> <span class="o">-</span><span class="nb">i</span> <span class="n">instance</span> <span class="o">-</span><span class="n">z</span> <span class="n">zookeepers</span> <span class="o">--</span><span class="n">shardTable</span> <span class="n">shard</span> <span class="o">--</span><span class="n">doc2Term</span> <span class="n">doc2term</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span> <span class="o">-</span><span class="n">p</span> <span class="n">password</span
> <span class="o">--</span><span class="n">terms</span> 5
+<span class="p">[</span><span class="n">public</span><span class="p">,</span> <span class="n">core</span><span class="p">,</span> <span class="n">class</span><span class="p">,</span> <span class="n">binarycomparable</span><span class="p">,</span> <span class="n">b</span><span class="p">]</span> 2 0<span class="p">.</span>081
+<span class="p">[</span><span class="n">wordtodelete</span><span class="p">,</span> <span class="n">unindexdocument</span><span class="p">,</span> <span class="n">doctablename</span><span class="p">,</span> <span class="n">putdelete</span><span class="p">,</span> <span class="n">insert</span><span class="p">]</span> 1 0<span class="p">.</span>041
+<span class="p">[</span><span class="n">import</span><span class="p">,</span> <span class="n">columnvisibilityinterpreterfactory</span><span class="p">,</span> <span class="n">illegalstateexception</span><span class="p">,</span> <span class="n">cv</span><span class="p">,</span> <span class="n">columnvisibility</span><span class="p">]</span> 1 0<span class="p">.</span>049
+<span class="p">[</span><span class="n">getpackage</span><span class="p">,</span> <span class="n">testversion</span><span class="p">,</span> <span class="n">util</span><span class="p">,</span> <span class="n">version</span><span class="p">,</span> 55<span class="p">]</span> 1 0<span class="p">.</span>048
+<span class="p">[</span><span class="k">for</span><span class="p">,</span> <span class="n">static</span><span class="p">,</span> <span class="n">println</span><span class="p">,</span> <span class="n">public</span><span class="p">,</span> <span class="n">the</span><span class="p">]</span> 55 0<span class="p">.</span>211
+<span class="p">[</span><span class="n">sleeptime</span><span class="p">,</span> <span class="n">wrappingiterator</span><span class="p">,</span> <span class="n">options</span><span class="p">,</span> <span class="n">long</span><span class="p">,</span> <span class="n">utilwaitthread</span><span class="p">]</span> 1 0<span class="p">.</span>057
+<span class="p">[</span><span class="n">string</span><span class="p">,</span> <span class="n">public</span><span class="p">,</span> <span class="n">long</span><span class="p">,</span> 0<span class="p">,</span> <span class="n">wait</span><span class="p">]</span> 12 0<span class="p">.</span>132
+</pre></div>
+ </div>
+
+ <div id="footer">
+ <a alt="Apache Software Foundation" href="http://www.apache.org">
+ <img id="asf-logo" alt="Apache Software Foundation" src="/images/feather-small.gif" width="100">
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+ <div class="copyright">
+ <p>
+ Copyright © 2011-2014 The Apache Software Foundation, Licensed under
+ the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.
+ Apache Accumulo, Accumulo, Apache, the Apache feather logo, and the Apache Accumulo
+ project logo are trademarks of the <a href="http://www.apache.org">Apache Software Foundation</a>.<br />
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Added: websites/staging/accumulo/trunk/content/1.7/examples/tabletofile.html
==============================================================================
--- websites/staging/accumulo/trunk/content/1.7/examples/tabletofile.html (added)
+++ websites/staging/accumulo/trunk/content/1.7/examples/tabletofile.html Mon May 18 04:27:53 2015
@@ -0,0 +1,276 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<!--
+ 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
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+ <link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
+ <title>Apache Accumulo Table-to-File Example</title>
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+
+ <h1 class="title">Apache Accumulo Table-to-File Example</h1>
+
+ <p>This example uses mapreduce to extract specified columns from an existing table.</p>
+<p>To run this example you will need some data in a table. The following will
+put a trivial amount of data into accumulo using the accumulo shell:</p>
+<div class="codehilite"><pre>$ <span class="o">./</span><span class="n">bin</span><span class="o">/</span><span class="n">accumulo</span> <span class="n">shell</span> <span class="o">-</span><span class="n">u</span> <span class="n">username</span> <span class="o">-</span><span class="n">p</span> <span class="n">password</span>
+<span class="n">Shell</span> <span class="o">-</span> <span class="n">Apache</span> <span class="n">Accumulo</span> <span class="n">Interactive</span> <span class="n">Shell</span>
+<span class="o">-</span> <span class="n">version</span><span class="p">:</span> 1<span class="p">.</span>6<span class="p">.</span>0
+<span class="o">-</span> <span class="n">instance</span> <span class="n">name</span><span class="p">:</span> <span class="n">instance</span>
+<span class="o">-</span> <span class="n">instance</span> <span class="n">id</span><span class="p">:</span> 00000000<span class="o">-</span>0000<span class="o">-</span>0000<span class="o">-</span>0000<span class="o">-</span>000000000000
+<span class="o">-</span>
+<span class="o">-</span> <span class="n">type</span> <span class="s">'help'</span> <span class="k">for</span> <span class="n">a</span> <span class="n">list</span> <span class="n">of</span> <span class="n">available</span> <span class="n">commands</span>
+<span class="o">-</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">createtable</span> <span class="n">input</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">insert</span> <span class="n">dog</span> <span class="n">cf</span> <span class="n">cq</span> <span class="n">dogvalue</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">insert</span> <span class="nb">cat</span> <span class="n">cf</span> <span class="n">cq</span> <span class="n">catvalue</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">insert</span> <span class="n">junk</span> <span class="n">family</span> <span class="n">qualifier</span> <span class="n">junkvalue</span>
+<span class="n">username</span><span class="p">@</span><span class="n">instance</span><span class="o">></span> <span class="n">quit</span>
+</pre></div>
+
+
+<p>The TableToFile class configures a map-only job to read the specified columns and
+write the key/value pairs to a file in HDFS.</p>
+<p>The following will extract the rows containing the column "cf:cq":</p>
+<div class="codehilite"><pre>$ <span class="n">bin</span><span class="o">/</span><span class="n">tool</span><span class="p">.</span><span class="n">sh</span> <span class="n">lib</span><span class="o">/</span><span class="n">accumulo</span><span class="o">-</span><span class="n">examples</span><span class="o">-</span><span class="n">simple</span><span class="p">.</span><span class="n">jar</span> <span class="n">org</span><span class="p">.</span><span class="n">apache</span><span class="p">.</span><span class="n">accumulo</span><span class="p">.</span><span class="n">examples</span><span class="p">.</span><span class="n">simple</span><span class="p">.</span><span class="n">mapreduce</span><span class="p">.</span><span class="n">TableToFile</span> <span class="o">-</span><span class="n">u</span> <span class="n">user</span> <span class="o">-</span><span class="n">p</span> <span class="n">passwd</span> <span class="o">-</span><span class="nb">i</span> <span class="n">instance</span> <spa
n class="o">-</span><span class="n">t</span> <span class="n">input</span> <span class="o">--</span><span class="n">columns</span> <span class="n">cf</span><span class="p">:</span><span class="n">cq</span> <span class="o">--</span><span class="n">output</span> <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span>
+
+$ <span class="n">hadoop</span> <span class="n">fs</span> <span class="o">-</span><span class="n">ls</span> <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span>
+<span class="o">-</span><span class="n">rw</span><span class="o">-</span><span class="n">r</span><span class="o">--</span><span class="n">r</span><span class="o">--</span> 1 <span class="n">username</span> <span class="n">supergroup</span> 0 2013<span class="o">-</span>01<span class="o">-</span>10 14<span class="p">:</span>44 <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span><span class="o">/</span><span class="n">_SUCCESS</span>
+<span class="n">drwxr</span><span class="o">-</span><span class="n">xr</span><span class="o">-</span><span class="n">x</span> <span class="o">-</span> <span class="n">username</span> <span class="n">supergroup</span> 0 2013<span class="o">-</span>01<span class="o">-</span>10 14<span class="p">:</span>44 <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span><span class="o">/</span><span class="n">_logs</span>
+<span class="n">drwxr</span><span class="o">-</span><span class="n">xr</span><span class="o">-</span><span class="n">x</span> <span class="o">-</span> <span class="n">username</span> <span class="n">supergroup</span> 0 2013<span class="o">-</span>01<span class="o">-</span>10 14<span class="p">:</span>44 <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span><span class="o">/</span><span class="n">_logs</span><span class="o">/</span><span class="n">history</span>
+<span class="o">-</span><span class="n">rw</span><span class="o">-</span><span class="n">r</span><span class="o">--</span><span class="n">r</span><span class="o">--</span> 1 <span class="n">username</span> <span class="n">supergroup</span> 9049 2013<span class="o">-</span>01<span class="o">-</span>10 14<span class="p">:</span>44 <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span><span class="o">/</span><span class="n">_logs</span><span class="o">/</span><span class="n">history</span><span class="o">/</span><span class="n">job_201301081658_0011_1357847072863_username_TableToFile</span><span class="c">%5F1357847071434</span>
+<span class="o">-</span><span class="n">rw</span><span class="o">-</span><span class="n">r</span><span class="o">--</span><span class="n">r</span><span class="o">--</span> 1 <span class="n">username</span> <span class="n">supergroup</span> 26172 2013<span class="o">-</span>01<span class="o">-</span>10 14<span class="p">:</span>44 <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span><span class="o">/</span><span class="n">_logs</span><span class="o">/</span><span class="n">history</span><span class="o">/</span><span class="n">job_201301081658_0011_conf</span><span class="p">.</span><span class="n">xml</span>
+<span class="o">-</span><span class="n">rw</span><span class="o">-</span><span class="n">r</span><span class="o">--</span><span class="n">r</span><span class="o">--</span> 1 <span class="n">username</span> <span class="n">supergroup</span> 50 2013<span class="o">-</span>01<span class="o">-</span>10 14<span class="p">:</span>44 <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span><span class="o">/</span><span class="n">part</span><span class="o">-</span><span class="n">m</span><span class="o">-</span>00000
+</pre></div>
+
+
+<p>We can see the output of our little map-reduce job:</p>
+<div class="codehilite"><pre>$ <span class="n">hadoop</span> <span class="n">fs</span> <span class="o">-</span><span class="n">text</span> <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">output</span><span class="o">/</span><span class="n">output</span><span class="o">/</span><span class="n">part</span><span class="o">-</span><span class="n">m</span><span class="o">-</span>00000
+<span class="n">catrow</span> <span class="n">cf</span><span class="p">:</span><span class="n">cq</span> <span class="p">[]</span> <span class="n">catvalue</span>
+<span class="n">dogrow</span> <span class="n">cf</span><span class="p">:</span><span class="n">cq</span> <span class="p">[]</span> <span class="n">dogvalue</span>
+$
+</pre></div>
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+ Copyright © 2011-2014 The Apache Software Foundation, Licensed under
+ the <a href="http://www.apache.org/licenses/LICENSE-2.0">Apache License, Version 2.0</a>.
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