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| <div class="subTitle">org.apache.hadoop.yarn.applications.unmanagedamlauncher</div> |
| <h2 title="Class UnmanagedAMLauncher" class="title">Class UnmanagedAMLauncher</h2> |
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| <ul class="inheritance"> |
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| <li>org.apache.hadoop.yarn.applications.unmanagedamlauncher.UnmanagedAMLauncher</li> |
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| <pre>public class <span class="typeNameLabel">UnmanagedAMLauncher</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">The UnmanagedLauncher is a simple client that launches and unmanaged AM. An |
| unmanagedAM is an AM that is not launched and managed by the RM. The client |
| creates a new application on the RM and negotiates a new attempt id. Then it |
| waits for the RM app state to reach be YarnApplicationState.ACCEPTED after |
| which it spawns the AM in another process and passes it the container id via |
| env variable Environment.CONTAINER_ID. The AM can be in any |
| language. The AM can register with the RM using the attempt id obtained |
| from the container id and proceed as normal. |
| The client redirects app stdout and stderr to its own stdout and |
| stderr and waits for the AM process to exit. Then it waits for the RM to |
| report app completion.</div> |
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| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected org.apache.hadoop.yarn.client.api.YarnClient</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.html#rmClient">rmClient</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.html#UnmanagedAMLauncher--">UnmanagedAMLauncher</a></span>()</code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.html#UnmanagedAMLauncher-org.apache.hadoop.conf.Configuration-">UnmanagedAMLauncher</a></span>(org.apache.hadoop.conf.Configuration conf)</code> </td> |
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| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.html#init-java.lang.String:A-">init</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] args)</code> </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.html#launchAM-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-">launchAM</a></span>(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attemptId)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.html#main-java.lang.String:A-">main</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] args)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/hadoop/yarn/applications/unmanagedamlauncher/UnmanagedAMLauncher.html#run--">run</a></span>()</code> </td> |
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| <h3>Field Detail</h3> |
| <a name="rmClient"> |
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| </a> |
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| <h4>rmClient</h4> |
| <pre>protected org.apache.hadoop.yarn.client.api.YarnClient rmClient</pre> |
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| <h4>UnmanagedAMLauncher</h4> |
| <pre>public UnmanagedAMLauncher(org.apache.hadoop.conf.Configuration conf) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code></dd> |
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| <h4>UnmanagedAMLauncher</h4> |
| <pre>public UnmanagedAMLauncher() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
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| <h4>main</h4> |
| <pre>public static void main(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] args)</pre> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>args</code> - Command line arguments</dd> |
| </dl> |
| </li> |
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| <a name="init-java.lang.String:A-"> |
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| <h4>init</h4> |
| <pre>public boolean init(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] args) |
| throws org.apache.commons.cli.ParseException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>org.apache.commons.cli.ParseException</code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="launchAM-org.apache.hadoop.yarn.api.records.ApplicationAttemptId-"> |
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| <h4>launchAM</h4> |
| <pre>public void launchAM(org.apache.hadoop.yarn.api.records.ApplicationAttemptId attemptId) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd> |
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| <h4>run</h4> |
| <pre>public boolean run() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a>, |
| org.apache.hadoop.yarn.exceptions.YarnException</pre> |
| <dl> |
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| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| <dd><code>org.apache.hadoop.yarn.exceptions.YarnException</code></dd> |
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