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| <div class="subTitle">io.gearpump.streaming.appmaster</div> |
| <h2 title="Class TaskSchedulerImpl" class="title">Class TaskSchedulerImpl</h2> |
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| <li>java.lang.Object</li> |
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| <pre>public class <span class="strong">TaskSchedulerImpl</span> |
| extends java.lang.Object |
| implements <a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html" title="interface in io.gearpump.streaming.appmaster">TaskScheduler</a></pre> |
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| <h3>Nested classes/interfaces inherited from interface io.gearpump.streaming.appmaster.<a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html" title="interface in io.gearpump.streaming.appmaster">TaskScheduler</a></h3> |
| <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.Location.html" title="class in io.gearpump.streaming.appmaster">TaskScheduler.Location</a>, <a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.Location$.html" title="class in io.gearpump.streaming.appmaster">TaskScheduler.Location$</a>, <a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.TaskStatus.html" title="class in io.gearpump.streaming.appmaster">TaskScheduler.TaskStatus</a></code></li> |
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| <td class="colOne"><code><strong><a href="../../../../io/gearpump/streaming/appmaster/TaskSchedulerImpl.html#TaskSchedulerImpl(int,%20java.lang.String,%20com.typesafe.config.Config)">TaskSchedulerImpl</a></strong>(int appId, |
| java.lang.String appName, |
| com.typesafe.config.Config config)</code> </td> |
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| <td class="colFirst"><code>io.gearpump.cluster.scheduler.ResourceRequest[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../io/gearpump/streaming/appmaster/TaskSchedulerImpl.html#executorFailed(int)">executorFailed</a></strong>(int executorId)</code> |
| <div class="block">This notify the scheduler that {executorId} is failed, and expect a set of |
| ResourceRequest for all failed tasks on that executor.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>io.gearpump.cluster.scheduler.ResourceRequest[]</code></td> |
| <td class="colLast"><code><strong><a href="../../../../io/gearpump/streaming/appmaster/TaskSchedulerImpl.html#getResourceRequests()">getResourceRequests</a></strong>()</code> |
| <div class="block">Get the resource requirements for all unscheduled tasks.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>scala.collection.immutable.List<<a href="../../../../io/gearpump/streaming/task/TaskId.html" title="class in io.gearpump.streaming.task">TaskId</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../io/gearpump/streaming/appmaster/TaskSchedulerImpl.html#schedule(int,%20int,%20io.gearpump.cluster.scheduler.Resource)">schedule</a></strong>(int workerId, |
| int executorId, |
| io.gearpump.cluster.scheduler.Resource resource)</code> |
| <div class="block">This notify the scheduler that a resource slot on {workerId} and {executorId} is allocated, and |
| expect a task to be scheduled in return.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>scala.collection.immutable.List<<a href="../../../../io/gearpump/streaming/task/TaskId.html" title="class in io.gearpump.streaming.task">TaskId</a>></code></td> |
| <td class="colLast"><code><strong><a href="../../../../io/gearpump/streaming/appmaster/TaskSchedulerImpl.html#scheduledTasks(int)">scheduledTasks</a></strong>(int executorId)</code> |
| <div class="block">Query the task list that already scheduled on the executor</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><strong><a href="../../../../io/gearpump/streaming/appmaster/TaskSchedulerImpl.html#setDAG(io.gearpump.streaming.DAG)">setDAG</a></strong>(<a href="../../../../io/gearpump/streaming/DAG.html" title="class in io.gearpump.streaming">DAG</a> dag)</code> |
| <div class="block">This notify the scheduler that the task DAG is created.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><strong><a href="../../../../io/gearpump/streaming/appmaster/TaskSchedulerImpl.html#WORKER_NO_PREFERENCE()">WORKER_NO_PREFERENCE</a></strong>()</code> </td> |
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| <h4>TaskSchedulerImpl</h4> |
| <pre>public TaskSchedulerImpl(int appId, |
| java.lang.String appName, |
| com.typesafe.config.Config config)</pre> |
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| <h4>setDAG</h4> |
| <pre>public void setDAG(<a href="../../../../io/gearpump/streaming/DAG.html" title="class in io.gearpump.streaming">DAG</a> dag)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#setDAG(io.gearpump.streaming.DAG)">TaskScheduler</a></code></strong></div> |
| <div class="block">This notify the scheduler that the task DAG is created.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#setDAG(io.gearpump.streaming.DAG)">setDAG</a></code> in interface <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html" title="interface in io.gearpump.streaming.appmaster">TaskScheduler</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>dag</code> - task dag</dd></dl> |
| </li> |
| </ul> |
| <a name="getResourceRequests()"> |
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| <h4>getResourceRequests</h4> |
| <pre>public io.gearpump.cluster.scheduler.ResourceRequest[] getResourceRequests()</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#getResourceRequests()">TaskScheduler</a></code></strong></div> |
| <div class="block">Get the resource requirements for all unscheduled tasks.</div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#getResourceRequests()">getResourceRequests</a></code> in interface <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html" title="interface in io.gearpump.streaming.appmaster">TaskScheduler</a></code></dd> |
| <dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl> |
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| <h4>WORKER_NO_PREFERENCE</h4> |
| <pre>public int WORKER_NO_PREFERENCE()</pre> |
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| <a name="schedule(int, int, io.gearpump.cluster.scheduler.Resource)"> |
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| <h4>schedule</h4> |
| <pre>public scala.collection.immutable.List<<a href="../../../../io/gearpump/streaming/task/TaskId.html" title="class in io.gearpump.streaming.task">TaskId</a>> schedule(int workerId, |
| int executorId, |
| io.gearpump.cluster.scheduler.Resource resource)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#schedule(int,%20int,%20io.gearpump.cluster.scheduler.Resource)">TaskScheduler</a></code></strong></div> |
| <div class="block">This notify the scheduler that a resource slot on {workerId} and {executorId} is allocated, and |
| expect a task to be scheduled in return. |
| Task locality should be considered when deciding whether to offer a task on target {worker} |
| and {executor} |
| <p></div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#schedule(int,%20int,%20io.gearpump.cluster.scheduler.Resource)">schedule</a></code> in interface <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html" title="interface in io.gearpump.streaming.appmaster">TaskScheduler</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>workerId</code> - which worker this resource is located.</dd><dd><code>executorId</code> - which executorId this resource belongs to.</dd><dd><code>resource</code> - (undocumented)</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>a list of tasks</dd></dl> |
| </li> |
| </ul> |
| <a name="executorFailed(int)"> |
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| <h4>executorFailed</h4> |
| <pre>public io.gearpump.cluster.scheduler.ResourceRequest[] executorFailed(int executorId)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#executorFailed(int)">TaskScheduler</a></code></strong></div> |
| <div class="block">This notify the scheduler that {executorId} is failed, and expect a set of |
| ResourceRequest for all failed tasks on that executor. |
| <p></div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#executorFailed(int)">executorFailed</a></code> in interface <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html" title="interface in io.gearpump.streaming.appmaster">TaskScheduler</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>executorId</code> - executor that failed</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>resource requests of the failed executor</dd></dl> |
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| <h4>scheduledTasks</h4> |
| <pre>public scala.collection.immutable.List<<a href="../../../../io/gearpump/streaming/task/TaskId.html" title="class in io.gearpump.streaming.task">TaskId</a>> scheduledTasks(int executorId)</pre> |
| <div class="block"><strong>Description copied from interface: <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#scheduledTasks(int)">TaskScheduler</a></code></strong></div> |
| <div class="block">Query the task list that already scheduled on the executor |
| <p></div> |
| <dl> |
| <dt><strong>Specified by:</strong></dt> |
| <dd><code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html#scheduledTasks(int)">scheduledTasks</a></code> in interface <code><a href="../../../../io/gearpump/streaming/appmaster/TaskScheduler.html" title="interface in io.gearpump.streaming.appmaster">TaskScheduler</a></code></dd> |
| <dt><span class="strong">Parameters:</span></dt><dd><code>executorId</code> - executor to query</dd> |
| <dt><span class="strong">Returns:</span></dt><dd>a list of tasks</dd></dl> |
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