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| <div class="subTitle">org.apache.hadoop.yarn.api</div> |
| <h2 title="Interface ContainerManagementProtocol" class="title">Interface ContainerManagementProtocol</h2> |
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| <br> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public interface <span class="typeNameLabel">ContainerManagementProtocol</span></pre> |
| <div class="block"><p>The protocol between an <code>ApplicationMaster</code> and a |
| <code>NodeManager</code> to start/stop and increase resource of containers |
| and to get status of running containers.</p> |
| |
| <p>If security is enabled the <code>NodeManager</code> verifies that the |
| <code>ApplicationMaster</code> has truly been allocated the container |
| by the <code>ResourceManager</code> and also verifies all interactions such |
| as stopping the container or obtaining status information for the container. |
| </p></div> |
| </li> |
| </ul> |
| </div> |
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| <!-- ========== METHOD SUMMARY =========== --> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/CommitResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">CommitResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#commitLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-">commitLastReInitialization</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records">ContainerId</a> containerId)</code> |
| <div class="block">Commit the Last ReInitialization if possible.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetContainerStatusesResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">GetContainerStatusesResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#getContainerStatuses-org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesRequest-">getContainerStatuses</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetContainerStatusesRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">GetContainerStatusesRequest</a> request)</code> |
| <div class="block"> |
| The API used by the <code>ApplicationMaster</code> to request for current |
| statuses of <code>Container</code>s from the <code>NodeManager</code>.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetLocalizationStatusesResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">GetLocalizationStatusesResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#getLocalizationStatuses-org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesRequest-">getLocalizationStatuses</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetLocalizationStatusesRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">GetLocalizationStatusesRequest</a> request)</code> |
| <div class="block">API to request for the localization statuses of requested containers from |
| the Node Manager.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/IncreaseContainersResourceResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">IncreaseContainersResourceResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#increaseContainersResource-org.apache.hadoop.yarn.api.protocolrecords.IncreaseContainersResourceRequest-">increaseContainersResource</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/IncreaseContainersResourceRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">IncreaseContainersResourceRequest</a> request)</code> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ResourceLocalizationResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ResourceLocalizationResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#localize-org.apache.hadoop.yarn.api.protocolrecords.ResourceLocalizationRequest-">localize</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ResourceLocalizationRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ResourceLocalizationRequest</a> request)</code> |
| <div class="block">Localize resources required by the container.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ReInitializeContainerResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ReInitializeContainerResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#reInitializeContainer-org.apache.hadoop.yarn.api.protocolrecords.ReInitializeContainerRequest-">reInitializeContainer</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ReInitializeContainerRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ReInitializeContainerRequest</a> request)</code> |
| <div class="block">ReInitialize the Container with a new Launch Context.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/RestartContainerResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">RestartContainerResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#restartContainer-org.apache.hadoop.yarn.api.records.ContainerId-">restartContainer</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records">ContainerId</a> containerId)</code> |
| <div class="block">Restart the container.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/RollbackResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">RollbackResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#rollbackLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-">rollbackLastReInitialization</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records">ContainerId</a> containerId)</code> |
| <div class="block">Rollback the Last ReInitialization if possible.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/SignalContainerResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">SignalContainerResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#signalToContainer-org.apache.hadoop.yarn.api.protocolrecords.SignalContainerRequest-">signalToContainer</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/SignalContainerRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">SignalContainerRequest</a> request)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainersResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">StartContainersResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#startContainers-org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest-">startContainers</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainersRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">StartContainersRequest</a> request)</code> |
| <div class="block"> |
| The <code>ApplicationMaster</code> provides a list of |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainerRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>StartContainerRequest</code></a>s to a <code>NodeManager</code> to |
| <em>start</em> <a href="../../../../../org/apache/hadoop/yarn/api/records/Container.html" title="class in org.apache.hadoop.yarn.api.records"><code>Container</code></a>s allocated to it using this interface.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StopContainersResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">StopContainersResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#stopContainers-org.apache.hadoop.yarn.api.protocolrecords.StopContainersRequest-">stopContainers</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StopContainersRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">StopContainersRequest</a> request)</code> |
| <div class="block"> |
| The <code>ApplicationMaster</code> requests a <code>NodeManager</code> to |
| <em>stop</em> a list of <a href="../../../../../org/apache/hadoop/yarn/api/records/Container.html" title="class in org.apache.hadoop.yarn.api.records"><code>Container</code></a>s allocated to it using this |
| interface.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ContainerUpdateResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ContainerUpdateResponse</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#updateContainer-org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateRequest-">updateContainer</a></span>(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ContainerUpdateRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ContainerUpdateRequest</a> request)</code> |
| <div class="block"> |
| The API used by the <code>ApplicationMaster</code> to request for |
| resource update of running containers on the <code>NodeManager</code>.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <ul class="blockList"> |
| <li class="blockList"><a name="method.detail"> |
| <!-- --> |
| </a> |
| <h3>Method Detail</h3> |
| <a name="startContainers-org.apache.hadoop.yarn.api.protocolrecords.StartContainersRequest-"> |
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| <h4>startContainers</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Stable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainersResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">StartContainersResponse</a> startContainers(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainersRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">StartContainersRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block"><p> |
| The <code>ApplicationMaster</code> provides a list of |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainerRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>StartContainerRequest</code></a>s to a <code>NodeManager</code> to |
| <em>start</em> <a href="../../../../../org/apache/hadoop/yarn/api/records/Container.html" title="class in org.apache.hadoop.yarn.api.records"><code>Container</code></a>s allocated to it using this interface. |
| </p> |
| |
| <p> |
| The <code>ApplicationMaster</code> has to provide details such as allocated |
| resource capability, security tokens (if enabled), command to be executed |
| to start the container, environment for the process, necessary |
| binaries/jar/shared-objects etc. via the <a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerLaunchContext.html" title="class in org.apache.hadoop.yarn.api.records"><code>ContainerLaunchContext</code></a> in |
| the <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainerRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>StartContainerRequest</code></a>. |
| </p> |
| |
| <p> |
| The <code>NodeManager</code> sends a response via |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainersResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>StartContainersResponse</code></a> which includes a list of |
| <a href="../../../../../org/apache/hadoop/yarn/api/records/Container.html" title="class in org.apache.hadoop.yarn.api.records"><code>Container</code></a>s of successfully launched <a href="../../../../../org/apache/hadoop/yarn/api/records/Container.html" title="class in org.apache.hadoop.yarn.api.records"><code>Container</code></a>s, a |
| containerId-to-exception map for each failed <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StartContainerRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>StartContainerRequest</code></a> in |
| which the exception indicates errors from per container and a |
| allServicesMetaData map between the names of auxiliary services and their |
| corresponding meta-data. Note: None-container-specific exceptions will |
| still be thrown by the API method itself. |
| </p> |
| <p> |
| The <code>ApplicationMaster</code> can use |
| <a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#getContainerStatuses-org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesRequest-"><code>getContainerStatuses(GetContainerStatusesRequest)</code></a> to get updated |
| statuses of the to-be-launched or launched containers. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - request to start a list of containers</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>response including conatinerIds of all successfully launched |
| containers, a containerId-to-exception map for failed requests and |
| a allServicesMetaData map.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code></dd> |
| <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> |
| </dl> |
| </li> |
| </ul> |
| <a name="stopContainers-org.apache.hadoop.yarn.api.protocolrecords.StopContainersRequest-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>stopContainers</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Stable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StopContainersResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">StopContainersResponse</a> stopContainers(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StopContainersRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">StopContainersRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block"><p> |
| The <code>ApplicationMaster</code> requests a <code>NodeManager</code> to |
| <em>stop</em> a list of <a href="../../../../../org/apache/hadoop/yarn/api/records/Container.html" title="class in org.apache.hadoop.yarn.api.records"><code>Container</code></a>s allocated to it using this |
| interface. |
| </p> |
| |
| <p> |
| The <code>ApplicationMaster</code> sends a <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StopContainersRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>StopContainersRequest</code></a> |
| which includes the <a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records"><code>ContainerId</code></a>s of the containers to be stopped. |
| </p> |
| |
| <p> |
| The <code>NodeManager</code> sends a response via |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/StopContainersResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>StopContainersResponse</code></a> which includes a list of <a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records"><code>ContainerId</code></a> |
| s of successfully stopped containers, a containerId-to-exception map for |
| each failed request in which the exception indicates errors from per |
| container. Note: None-container-specific exceptions will still be thrown by |
| the API method itself. <code>ApplicationMaster</code> can use |
| <a href="../../../../../org/apache/hadoop/yarn/api/ContainerManagementProtocol.html#getContainerStatuses-org.apache.hadoop.yarn.api.protocolrecords.GetContainerStatusesRequest-"><code>getContainerStatuses(GetContainerStatusesRequest)</code></a> to get updated |
| statuses of the containers. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - request to stop a list of containers</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>response which includes a list of containerIds of successfully |
| stopped containers, a containerId-to-exception map for failed |
| requests.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code></dd> |
| <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> |
| </dl> |
| </li> |
| </ul> |
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| <h4>getContainerStatuses</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Stable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetContainerStatusesResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">GetContainerStatusesResponse</a> getContainerStatuses(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetContainerStatusesRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">GetContainerStatusesRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block"><p> |
| The API used by the <code>ApplicationMaster</code> to request for current |
| statuses of <code>Container</code>s from the <code>NodeManager</code>. |
| </p> |
| |
| <p> |
| The <code>ApplicationMaster</code> sends a |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetContainerStatusesRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>GetContainerStatusesRequest</code></a> which includes the <a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records"><code>ContainerId</code></a>s |
| of all containers whose statuses are needed. |
| </p> |
| |
| <p> |
| The <code>NodeManager</code> responds with |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetContainerStatusesResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>GetContainerStatusesResponse</code></a> which includes a list of |
| <a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerStatus.html" title="class in org.apache.hadoop.yarn.api.records"><code>ContainerStatus</code></a> of the successfully queried containers and a |
| containerId-to-exception map for each failed request in which the exception |
| indicates errors from per container. Note: None-container-specific |
| exceptions will still be thrown by the API method itself. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - request to get <code>ContainerStatus</code>es of containers with |
| the specified <code>ContainerId</code>s</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>response containing the list of <code>ContainerStatus</code> of the |
| successfully queried containers and a containerId-to-exception map |
| for failed requests.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code></dd> |
| <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> |
| </dl> |
| </li> |
| </ul> |
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| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Deprecated.html?is-external=true" title="class or interface in java.lang">@Deprecated</a> |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/IncreaseContainersResourceResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">IncreaseContainersResourceResponse</a> increaseContainersResource(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/IncreaseContainersResourceRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">IncreaseContainersResourceRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> </div> |
| <div class="block"><p> |
| The API used by the <code>ApplicationMaster</code> to request for |
| resource increase of running containers on the <code>NodeManager</code>. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - request to increase resource of a list of containers</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>response which includes a list of containerIds of containers |
| whose resource has been successfully increased and a |
| containerId-to-exception map for failed requests.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code></dd> |
| <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> |
| </dl> |
| </li> |
| </ul> |
| <a name="updateContainer-org.apache.hadoop.yarn.api.protocolrecords.ContainerUpdateRequest-"> |
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| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ContainerUpdateResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ContainerUpdateResponse</a> updateContainer(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ContainerUpdateRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ContainerUpdateRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block"><p> |
| The API used by the <code>ApplicationMaster</code> to request for |
| resource update of running containers on the <code>NodeManager</code>. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - request to update resource of a list of containers</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>response which includes a list of containerIds of containers |
| whose resource has been successfully updated and a |
| containerId-to-exception map for failed requests.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code> - Exception specific to YARN</dd> |
| <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> - IOException thrown from NodeManager</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>signalToContainer</h4> |
| <pre><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/SignalContainerResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">SignalContainerResponse</a> signalToContainer(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/SignalContainerRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">SignalContainerRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code></dd> |
| <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> |
| </dl> |
| </li> |
| </ul> |
| <a name="localize-org.apache.hadoop.yarn.api.protocolrecords.ResourceLocalizationRequest-"> |
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| <h4>localize</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ResourceLocalizationResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ResourceLocalizationResponse</a> localize(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ResourceLocalizationRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ResourceLocalizationRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block">Localize resources required by the container. |
| Currently, this API only works for running containers.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - Specify the resources to be localized.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Response that the localize request is accepted.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code> - Exception specific to YARN</dd> |
| <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> - IOException thrown from the RPC layer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="reInitializeContainer-org.apache.hadoop.yarn.api.protocolrecords.ReInitializeContainerRequest-"> |
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| <h4>reInitializeContainer</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ReInitializeContainerResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ReInitializeContainerResponse</a> reInitializeContainer(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/ReInitializeContainerRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">ReInitializeContainerRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block">ReInitialize the Container with a new Launch Context.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - Specify the new ContainerLaunchContext.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Response that the ReInitialize request is accepted.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code> - Exception specific to YARN.</dd> |
| <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> - IOException thrown from the RPC layer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="restartContainer-org.apache.hadoop.yarn.api.records.ContainerId-"> |
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| <h4>restartContainer</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/RestartContainerResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">RestartContainerResponse</a> restartContainer(<a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records">ContainerId</a> containerId) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block">Restart the container.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>containerId</code> - Container Id.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Response that the restart request is accepted.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code> - Exception specific to YARN.</dd> |
| <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> - IOException thrown from the RPC layer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="rollbackLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-"> |
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| <ul class="blockList"> |
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| <h4>rollbackLastReInitialization</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/RollbackResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">RollbackResponse</a> rollbackLastReInitialization(<a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records">ContainerId</a> containerId) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block">Rollback the Last ReInitialization if possible.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>containerId</code> - Container Id.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Response that the rollback request is accepted.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code> - Exception specific to YARN.</dd> |
| <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> - IOException thrown from the RPC layer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="commitLastReInitialization-org.apache.hadoop.yarn.api.records.ContainerId-"> |
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| <h4>commitLastReInitialization</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/CommitResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">CommitResponse</a> commitLastReInitialization(<a href="../../../../../org/apache/hadoop/yarn/api/records/ContainerId.html" title="class in org.apache.hadoop.yarn.api.records">ContainerId</a> containerId) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block">Commit the Last ReInitialization if possible. Once the reinitialization |
| has been committed, It cannot be rolled back.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>containerId</code> - Container Id.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>Response that the commit request is accepted.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code> - Exception specific to YARN.</dd> |
| <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> - IOException thrown from the RPC layer.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getLocalizationStatuses-org.apache.hadoop.yarn.api.protocolrecords.GetLocalizationStatusesRequest-"> |
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| <h4>getLocalizationStatuses</h4> |
| <pre>@InterfaceAudience.Public |
| @InterfaceStability.Unstable |
| <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetLocalizationStatusesResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">GetLocalizationStatusesResponse</a> getLocalizationStatuses(<a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetLocalizationStatusesRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords">GetLocalizationStatusesRequest</a> request) |
| throws <a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a>, |
| <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></pre> |
| <div class="block">API to request for the localization statuses of requested containers from |
| the Node Manager.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>request</code> - <a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetLocalizationStatusesRequest.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>GetLocalizationStatusesRequest</code></a> which includes the |
| container ids of all the containers whose localization |
| statuses are needed.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd><a href="../../../../../org/apache/hadoop/yarn/api/protocolrecords/GetLocalizationStatusesResponse.html" title="class in org.apache.hadoop.yarn.api.protocolrecords"><code>GetLocalizationStatusesResponse</code></a> which contains the |
| localization statuses of all the requested containers.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../../org/apache/hadoop/yarn/exceptions/YarnException.html" title="class in org.apache.hadoop.yarn.exceptions">YarnException</a></code> - Exception specific to YARN.</dd> |
| <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> - IOException thrown from the RPC layer.</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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| </ul> |
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