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| <div class="subTitle">org.apache.ignite.configuration</div> |
| <h2 title="Class HadoopConfiguration" class="title">Class HadoopConfiguration</h2> |
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| <pre>public class <span class="strong">HadoopConfiguration</span> |
| extends <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">Ignite Hadoop Accelerator configuration.</div> |
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| <h3>Field Summary</h3> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
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| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#DFLT_EXTERNAL_EXECUTION">DFLT_EXTERNAL_EXECUTION</a></strong></code> |
| <div class="block">Default value for external execution flag.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#DFLT_FINISHED_JOB_INFO_TTL">DFLT_FINISHED_JOB_INFO_TTL</a></strong></code> |
| <div class="block">Default finished job info time-to-live.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#DFLT_MAX_PARALLEL_TASKS">DFLT_MAX_PARALLEL_TASKS</a></strong></code> |
| <div class="block">Default value for the max parallel tasks.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#DFLT_MAX_TASK_QUEUE_SIZE">DFLT_MAX_TASK_QUEUE_SIZE</a></strong></code> |
| <div class="block">Default value for the max task queue size.</div> |
| </td> |
| </tr> |
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| <td class="colOne"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#HadoopConfiguration()">HadoopConfiguration</a></strong>()</code> |
| <div class="block">Default constructor.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#HadoopConfiguration(org.apache.ignite.configuration.HadoopConfiguration)">HadoopConfiguration</a></strong>(<a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a> cfg)</code> |
| <div class="block">Copy constructor.</div> |
| </td> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
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| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>long</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#getFinishedJobInfoTtl()">getFinishedJobInfoTtl</a></strong>()</code> |
| <div class="block">Gets finished job info time-to-live in milliseconds.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/hadoop/HadoopMapReducePlanner.html" title="interface in org.apache.ignite.hadoop">HadoopMapReducePlanner</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#getMapReducePlanner()">getMapReducePlanner</a></strong>()</code> |
| <div class="block">Gets Hadoop map-reduce planner, a component which defines job execution plan based on job |
| configuration and current grid topology.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#getMaxParallelTasks()">getMaxParallelTasks</a></strong>()</code> |
| <div class="block">Gets max number of local tasks that may be executed in parallel.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#getMaxTaskQueueSize()">getMaxTaskQueueSize</a></strong>()</code> |
| <div class="block">Gets max task queue size.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#getNativeLibraryNames()">getNativeLibraryNames</a></strong>()</code> |
| <div class="block">Get native library names.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#setFinishedJobInfoTtl(long)">setFinishedJobInfoTtl</a></strong>(long finishedJobInfoTtl)</code> |
| <div class="block">Sets finished job info time-to-live.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#setMapReducePlanner(org.apache.ignite.hadoop.HadoopMapReducePlanner)">setMapReducePlanner</a></strong>(<a href="../../../../org/apache/ignite/hadoop/HadoopMapReducePlanner.html" title="interface in org.apache.ignite.hadoop">HadoopMapReducePlanner</a> planner)</code> |
| <div class="block">Sets Hadoop map-reduce planner, a component which defines job execution plan based on job |
| configuration and current grid topology.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#setMaxParallelTasks(int)">setMaxParallelTasks</a></strong>(int maxParallelTasks)</code> |
| <div class="block">Sets max number of local tasks that may be executed in parallel.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#setMaxTaskQueueSize(int)">setMaxTaskQueueSize</a></strong>(int maxTaskQueueSize)</code> |
| <div class="block">Sets max task queue size.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#setNativeLibraryNames(java.lang.String...)">setNativeLibraryNames</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... libNames)</code> |
| <div class="block">Set native library names.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><strong><a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#toString()">toString</a></strong>()</code></td> |
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| <h3>Methods inherited from class java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
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| <h4>DFLT_FINISHED_JOB_INFO_TTL</h4> |
| <pre>public static final long DFLT_FINISHED_JOB_INFO_TTL</pre> |
| <div class="block">Default finished job info time-to-live.</div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.ignite.configuration.HadoopConfiguration.DFLT_FINISHED_JOB_INFO_TTL">Constant Field Values</a></dd></dl> |
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| <h4>DFLT_EXTERNAL_EXECUTION</h4> |
| <pre>public static final boolean DFLT_EXTERNAL_EXECUTION</pre> |
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| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.ignite.configuration.HadoopConfiguration.DFLT_EXTERNAL_EXECUTION">Constant Field Values</a></dd></dl> |
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| <h4>DFLT_MAX_PARALLEL_TASKS</h4> |
| <pre>public static final int DFLT_MAX_PARALLEL_TASKS</pre> |
| <div class="block">Default value for the max parallel tasks.</div> |
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| <h4>DFLT_MAX_TASK_QUEUE_SIZE</h4> |
| <pre>public static final int DFLT_MAX_TASK_QUEUE_SIZE</pre> |
| <div class="block">Default value for the max task queue size.</div> |
| <dl><dt><span class="strong">See Also:</span></dt><dd><a href="../../../../constant-values.html#org.apache.ignite.configuration.HadoopConfiguration.DFLT_MAX_TASK_QUEUE_SIZE">Constant Field Values</a></dd></dl> |
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| <h4>HadoopConfiguration</h4> |
| <pre>public HadoopConfiguration()</pre> |
| <div class="block">Default constructor.</div> |
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| <h4>HadoopConfiguration</h4> |
| <pre>public HadoopConfiguration(<a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a> cfg)</pre> |
| <div class="block">Copy constructor.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>cfg</code> - Configuration to copy.</dd></dl> |
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| <h4>getMaxParallelTasks</h4> |
| <pre>public int getMaxParallelTasks()</pre> |
| <div class="block">Gets max number of local tasks that may be executed in parallel.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Max number of local tasks that may be executed in parallel.</dd></dl> |
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| <pre>public <a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a> setMaxParallelTasks(int maxParallelTasks)</pre> |
| <div class="block">Sets max number of local tasks that may be executed in parallel.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>maxParallelTasks</code> - Max number of local tasks that may be executed in parallel.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd><code>this</code> for chaining.</dd></dl> |
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| <h4>getMaxTaskQueueSize</h4> |
| <pre>public int getMaxTaskQueueSize()</pre> |
| <div class="block">Gets max task queue size.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Max task queue size.</dd></dl> |
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| <pre>public <a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a> setMaxTaskQueueSize(int maxTaskQueueSize)</pre> |
| <div class="block">Sets max task queue size.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>maxTaskQueueSize</code> - Max task queue size.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd><code>this</code> for chaining.</dd></dl> |
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| <h4>getFinishedJobInfoTtl</h4> |
| <pre>public long getFinishedJobInfoTtl()</pre> |
| <div class="block">Gets finished job info time-to-live in milliseconds.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Finished job info time-to-live.</dd></dl> |
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| <h4>setFinishedJobInfoTtl</h4> |
| <pre>public <a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a> setFinishedJobInfoTtl(long finishedJobInfoTtl)</pre> |
| <div class="block">Sets finished job info time-to-live.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>finishedJobInfoTtl</code> - Finished job info time-to-live.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd><code>this</code> for chaining.</dd></dl> |
| </li> |
| </ul> |
| <a name="getMapReducePlanner()"> |
| <!-- --> |
| </a> |
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| <h4>getMapReducePlanner</h4> |
| <pre>public <a href="../../../../org/apache/ignite/hadoop/HadoopMapReducePlanner.html" title="interface in org.apache.ignite.hadoop">HadoopMapReducePlanner</a> getMapReducePlanner()</pre> |
| <div class="block">Gets Hadoop map-reduce planner, a component which defines job execution plan based on job |
| configuration and current grid topology.</div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Map-reduce planner.</dd></dl> |
| </li> |
| </ul> |
| <a name="setMapReducePlanner(org.apache.ignite.hadoop.HadoopMapReducePlanner)"> |
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| <h4>setMapReducePlanner</h4> |
| <pre>public <a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a> setMapReducePlanner(<a href="../../../../org/apache/ignite/hadoop/HadoopMapReducePlanner.html" title="interface in org.apache.ignite.hadoop">HadoopMapReducePlanner</a> planner)</pre> |
| <div class="block">Sets Hadoop map-reduce planner, a component which defines job execution plan based on job |
| configuration and current grid topology.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>planner</code> - Map-reduce planner.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd><code>this</code> for chaining.</dd></dl> |
| </li> |
| </ul> |
| <a name="getNativeLibraryNames()"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
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| <h4>getNativeLibraryNames</h4> |
| <pre>@Nullable |
| public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[] getNativeLibraryNames()</pre> |
| <div class="block">Get native library names. |
| <p> |
| Ignite Hadoop Accelerator executes all Hadoop jobs and tasks in the same process, isolating them with help |
| of classloaders. If Hadoop job or task loads a native library, it might lead to exception, because Java do |
| not allow to load the same library multiple times from different classloaders. To overcome the problem, |
| you should to the following: |
| <ul> |
| <li>Load necessary libraries in advance from base classloader; <a href="../../../../org/apache/ignite/lifecycle/LifecycleBean.html" title="interface in org.apache.ignite.lifecycle"><code>LifecycleBean</code></a> is a good candidate |
| for this;</li> |
| <li>Add names of loaded libraries to this property, so that Hadoop engine is able to link them;</li> |
| <li>Remove <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/System.html?is-external=true#load(java.lang.String)" title="class or interface in java.lang"><code>System.load(String)</code></a> and <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/System.html?is-external=true#loadLibrary(java.lang.String)" title="class or interface in java.lang"><code>System.loadLibrary(String)</code></a> calls from your job/task.</li> * |
| </ul></div> |
| <dl><dt><span class="strong">Returns:</span></dt><dd>Native library names.</dd></dl> |
| </li> |
| </ul> |
| <a name="setNativeLibraryNames(java.lang.String...)"> |
| <!-- --> |
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| <ul class="blockList"> |
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| <h4>setNativeLibraryNames</h4> |
| <pre>public <a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html" title="class in org.apache.ignite.configuration">HadoopConfiguration</a> setNativeLibraryNames(@Nullable |
| <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... libNames)</pre> |
| <div class="block">Set native library names. See <a href="../../../../org/apache/ignite/configuration/HadoopConfiguration.html#getNativeLibraryNames()"><code>getNativeLibraryNames()</code></a> for more information.</div> |
| <dl><dt><span class="strong">Parameters:</span></dt><dd><code>libNames</code> - Native library names.</dd> |
| <dt><span class="strong">Returns:</span></dt><dd><code>this</code> for chaining.</dd></dl> |
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| <h4>toString</h4> |
| <pre>public <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
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| <p class="legalCopy"><small><table width="100%" border="0" cellspacing=0 cellpadding=0 style="padding: 5px"> <tr> <td> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <a target=_blank href="https://ignite.apache.org"><nobr>2017 Copyright © Apache Software Foundation</nobr></a> </td> </tr> </tbody> </table> </td> <td width="100%" align="right" valign="center"> <a href="https://twitter.com/ApacheIgnite" class="twitter-follow-button" data-show-count="false" data-size="large">Follow @ApacheIgnite</a> </td> </tr> <tr> <td colspan="2" valign="top" align="left"> <table style="padding-left: 0; margin: 0"> <tbody style="padding: 0; margin: 0"> <tr style="padding: 0; margin: 0"> <td> <b>Ignite Fabric</b> </td> <td>: ver. <strong>2.0.0</strong> </td> </tr> <tr style="padding: 0; margin: 0"> <td> <b>Release Date</b> </td> <td>: April 30 2017 </td> </tr> </tbody> </table> </td> </tr> </table></small></p> |
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