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| |
| <h1>Apache Kudu Quickstart</h1> |
| <div id="preamble"> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Follow these instructions to set up and run a local Kudu Cluster using Docker, |
| and get started using Apache Kudu in minutes.</p> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| This is intended for demonstration purposes only and shouldn’t |
| be used for production or performance/scale testing. |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="quickstart_vm"><a class="link" href="#quickstart_vm">Install Docker</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Follow the Docker <a href="https://docs.docker.com/install/">install documentation</a> |
| to install docker in your Linux, Mac, or Windows environment.</p> |
| </div> |
| <div class="paragraph"> |
| <p>Configure the Docker install to have enough resources to run the quickstart guides.</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="https://docs.docker.com/docker-for-mac/#resources">Docker for Mac Resource Configuration Guide</a></p> |
| </li> |
| </ul> |
| </div> |
| <div class="paragraph"> |
| <p>A minimum configuration that can run all the quickstart examples comfortably is:</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p>4 CPUs</p> |
| </li> |
| <li> |
| <p>6 GB Memory</p> |
| </li> |
| <li> |
| <p>50 GB Disk</p> |
| </li> |
| </ul> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| You can likely get by with a lower resource configuration, but you may lose some performance and stability. |
| </td> |
| </tr> |
| </table> |
| </div> |
| <div class="paragraph"> |
| <p>You may also want to read through the Docker getting started guide, but that isn’t a requirement.</p> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_clone_the_repository"><a class="link" href="#_clone_the_repository">Clone the Repository</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Clone the Apache Kudu repository using Git and change to the <code>kudu</code> directory:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">git clone https://github.com/apache/kudu |
| cd kudu</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_start_the_quickstart_cluster"><a class="link" href="#_start_the_quickstart_cluster">Start the Quickstart Cluster</a></h2> |
| <div class="sectionbody"> |
| <div class="sect2"> |
| <h3 id="_set_kudu_quickstart_ip"><a class="link" href="#_set_kudu_quickstart_ip">Set KUDU_QUICKSTART_IP</a></h3> |
| <div class="paragraph"> |
| <p>Set the <code>KUDU_QUICKSTART_IP</code> environment variable to your ip address:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">export KUDU_QUICKSTART_IP=$(ifconfig | grep "inet " | grep -Fv 127.0.0.1 | awk '{print $2}' | tail -1)</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_bring_up_the_cluster"><a class="link" href="#_bring_up_the_cluster">Bring up the Cluster</a></h3> |
| <div class="paragraph"> |
| <p>Then use <code>docker-compose</code> to start a cluster with 3 master servers and 5 tablet servers. |
| When inside the docker network/containers the master addresses will be |
| <code>kudu-master-1:7051,kudu-master-2:7151,kudu-master-3:7251</code> and when on the host machine |
| you can specify the master addresses with <code>localhost:7051,localhost:7151,localhost:7251</code>.</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">docker-compose -f docker/quickstart.yml up -d</code></pre> |
| </div> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| You can remove the <code>-d</code> flag to run the cluster in the foreground. |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_view_the_web_ui"><a class="link" href="#_view_the_web_ui">View the Web-UI</a></h3> |
| <div class="paragraph"> |
| <p>Once the cluster is started you can view the master web-ui by visiting <a href="localhost:8050">localhost:8050</a>.</p> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_check_the_cluster_health"><a class="link" href="#_check_the_cluster_health">Check the cluster health</a></h3> |
| <div class="paragraph"> |
| <p>Use the command below to get a bash shell in the <code>kudu-master-1</code> container:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">docker exec -it $(docker ps -aqf "name=kudu-master-1") /bin/bash</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>You can now run the Kudu <code>ksck</code> tool to verify the cluster is healthy:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">kudu cluster ksck kudu-master-1:7051,kudu-master-2:7151,kudu-master-3:7251</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Alternatively, if you have a kudu binary available on your host machine, |
| you can run <code>ksck</code> there via:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">export KUDU_USER_NAME=kudu |
| kudu cluster ksck localhost:7051,localhost:7151,localhost:7251</code></pre> |
| </div> |
| </div> |
| <div class="admonitionblock note"> |
| <table> |
| <tr> |
| <td class="icon"> |
| <i class="fa icon-note" title="Note"></i> |
| </td> |
| <td class="content"> |
| Setting <code>KUDU_USER_NAME=kudu</code> simplifies using Kudu from various user |
| accounts in a non-secure environment. |
| </td> |
| </tr> |
| </table> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_running_a_brief_example"><a class="link" href="#_running_a_brief_example">Running a Brief Example</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Now that a Kudu cluster is up and running, examples and integrations can be |
| run against the cluster. The commands below run the <code>java-example</code> against |
| the quickstart cluster:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">export KUDU_USER_NAME=kudu |
| cd examples/java/java-example |
| mvn package |
| java -DkuduMasters=localhost:7051,localhost:7151,localhost:7251 -jar target/kudu-java-example-1.0-SNAPSHOT.jar</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_more_examples"><a class="link" href="#_more_examples">More Examples</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>More complete walkthroughs using the quickstart Kudu cluster can be found in the |
| <code>examples/quickstart</code> directory. For convenience you can browse them on |
| <a href="https://github.com/apache/kudu/tree/master/examples/quickstart">Github</a>.</p> |
| </div> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="https://github.com/apache/kudu/tree/master/examples/quickstart/nifi">NiFi Quickstart Guide</a></p> |
| </li> |
| <li> |
| <p><a href="https://github.com/apache/kudu/tree/master/examples/quickstart/spark">Spark Quickstart Guide</a></p> |
| </li> |
| <li> |
| <p><a href="https://github.com/apache/kudu/tree/master/examples/quickstart/impala">Impala Quickstart Guide</a></p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_destroying_the_cluster"><a class="link" href="#_destroying_the_cluster">Destroying the Cluster</a></h2> |
| <div class="sectionbody"> |
| <div class="paragraph"> |
| <p>Once you are done with the quickstart cluster you can shutdown in a couple of ways. |
| If you ran <code>docker-compose</code> without the <code>-d</code> flag, you can use <code>ctrl + c</code> to |
| stop the cluster.</p> |
| </div> |
| <div class="paragraph"> |
| <p>If you ran <code>docker-compose</code> with the <code>-d</code> flag, you can use the following to |
| gracefully shutdown the cluster:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">docker-compose -f docker/quickstart.yml down</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>Another alternative is to stop all of the Kudu containers via:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">docker stop $(docker ps -aqf "name=kudu")</code></pre> |
| </div> |
| </div> |
| <div class="paragraph"> |
| <p>If you want to remove the cluster state you can also remove the docker |
| containers and volumes via:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">docker rm $(docker ps -aqf "name=kudu") |
| docker volume rm $(docker volume ls --filter name=kudu -q)</code></pre> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_troubleshooting"><a class="link" href="#_troubleshooting">Troubleshooting</a></h2> |
| <div class="sectionbody"> |
| <div class="sect2"> |
| <h3 id="_viewing_the_logs"><a class="link" href="#_viewing_the_logs">Viewing the logs</a></h3> |
| <div class="paragraph"> |
| <p>To view the logs you can use the <code>docker logs</code> command. Below is an example |
| that will show the logs one of the tablet servers:</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">docker logs $(docker ps -aqf "name=kudu-tserver-1")</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_changing_the_kudu_version"><a class="link" href="#_changing_the_kudu_version">Changing the Kudu version</a></h3> |
| <div class="paragraph"> |
| <p>To change the version of Kudu Docker images used you can override the default value |
| of <code>latest</code> by setting the <code>KUDU_QUICKSTART_VERSION</code> environment variable.</p> |
| </div> |
| <div class="listingblock"> |
| <div class="content"> |
| <pre class="highlight"><code class="language-bash" data-lang="bash">export KUDU_QUICKSTART_VERSION="1.14.0"</code></pre> |
| </div> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_changing_the_kudu_configuration"><a class="link" href="#_changing_the_kudu_configuration">Changing the Kudu configuration</a></h3> |
| <div class="paragraph"> |
| <p>To change the configuration flags passed to the master and tablet servers you |
| can edit the <code>docker/quickstart.yml</code> file before starting the cluster.</p> |
| </div> |
| </div> |
| <div class="sect2"> |
| <h3 id="_killing_a_kudu_master"><a class="link" href="#_killing_a_kudu_master">Killing a Kudu master</a></h3> |
| <div class="paragraph"> |
| <p>Due to <a href="https://issues.apache.org/jira/browse/KUDU-1620">KUDU-1620</a> master hosts |
| are always expected to be reachable.</p> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="sect1"> |
| <h2 id="_next_steps"><a class="link" href="#_next_steps">Next Steps</a></h2> |
| <div class="sectionbody"> |
| <div class="ulist"> |
| <ul> |
| <li> |
| <p><a href="installation.html">Installing Kudu</a></p> |
| </li> |
| <li> |
| <p><a href="configuration.html">Configuring Kudu</a></p> |
| </li> |
| </ul> |
| </div> |
| </div> |
| </div> |
| </div> |
| <div class="col-md-3"> |
| |
| <div id="toc" data-spy="affix" data-offset-top="70"> |
| <ul> |
| |
| <li> |
| |
| <a href="index.html">Introducing Kudu</a> |
| </li> |
| <li> |
| |
| <a href="release_notes.html">Kudu Release Notes</a> |
| </li> |
| <li> |
| <span class="active-toc">Quickstart Guide</span> |
| <ul class="sectlevel1"> |
| <li><a href="#quickstart_vm">Install Docker</a></li> |
| <li><a href="#_clone_the_repository">Clone the Repository</a></li> |
| <li><a href="#_start_the_quickstart_cluster">Start the Quickstart Cluster</a> |
| <ul class="sectlevel2"> |
| <li><a href="#_set_kudu_quickstart_ip">Set KUDU_QUICKSTART_IP</a></li> |
| <li><a href="#_bring_up_the_cluster">Bring up the Cluster</a></li> |
| <li><a href="#_view_the_web_ui">View the Web-UI</a></li> |
| <li><a href="#_check_the_cluster_health">Check the cluster health</a></li> |
| </ul> |
| </li> |
| <li><a href="#_running_a_brief_example">Running a Brief Example</a></li> |
| <li><a href="#_more_examples">More Examples</a></li> |
| <li><a href="#_destroying_the_cluster">Destroying the Cluster</a></li> |
| <li><a href="#_troubleshooting">Troubleshooting</a> |
| <ul class="sectlevel2"> |
| <li><a href="#_viewing_the_logs">Viewing the logs</a></li> |
| <li><a href="#_changing_the_kudu_version">Changing the Kudu version</a></li> |
| <li><a href="#_changing_the_kudu_configuration">Changing the Kudu configuration</a></li> |
| <li><a href="#_killing_a_kudu_master">Killing a Kudu master</a></li> |
| </ul> |
| </li> |
| <li><a href="#_next_steps">Next Steps</a></li> |
| </ul> |
| </li> |
| <li> |
| |
| <a href="installation.html">Installation Guide</a> |
| </li> |
| <li> |
| |
| <a href="configuration.html">Configuring Kudu</a> |
| </li> |
| <li> |
| |
| <a href="hive_metastore.html">Using the Hive Metastore with Kudu</a> |
| </li> |
| <li> |
| |
| <a href="kudu_impala_integration.html">Using Impala with Kudu</a> |
| </li> |
| <li> |
| |
| <a href="administration.html">Administering Kudu</a> |
| </li> |
| <li> |
| |
| <a href="troubleshooting.html">Troubleshooting Kudu</a> |
| </li> |
| <li> |
| |
| <a href="developing.html">Developing Applications with Kudu</a> |
| </li> |
| <li> |
| |
| <a href="schema_design.html">Kudu Schema Design</a> |
| </li> |
| <li> |
| |
| <a href="scaling_guide.html">Kudu Scaling Guide</a> |
| </li> |
| <li> |
| |
| <a href="security.html">Kudu Security</a> |
| </li> |
| <li> |
| |
| <a href="transaction_semantics.html">Kudu Transaction Semantics</a> |
| </li> |
| <li> |
| |
| <a href="background_tasks.html">Background Maintenance Tasks</a> |
| </li> |
| <li> |
| |
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