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| <li>Summary: </li> |
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| <div class="sub-title"><span class="package-label-in-type">Package</span> <a href="package-summary.html">org.apache.storm.container</a></div> |
| <h1 title="Interface ResourceIsolationInterface" class="title">Interface ResourceIsolationInterface</h1> |
| </div> |
| <section class="class-description" id="class-description"> |
| <dl class="notes"> |
| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="cgroup/CgroupManager.html" title="class in org.apache.storm.container.cgroup">CgroupManager</a></code>, <code><a href="DefaultResourceIsolationManager.html" title="class in org.apache.storm.container">DefaultResourceIsolationManager</a></code>, <code><a href="docker/DockerManager.html" title="class in org.apache.storm.container.docker">DockerManager</a></code>, <code><a href="oci/OciContainerManager.html" title="class in org.apache.storm.container.oci">OciContainerManager</a></code>, <code><a href="oci/RuncLibContainerManager.html" title="class in org.apache.storm.container.oci">RuncLibContainerManager</a></code></dd> |
| </dl> |
| <hr> |
| <div class="type-signature"><span class="modifiers">public interface </span><span class="element-name type-name-label">ResourceIsolationInterface</span></div> |
| <div class="block">A plugin to support resource isolation and limitation within Storm.</div> |
| </section> |
| <section class="summary"> |
| <ul class="summary-list"> |
| <!-- ========== METHOD SUMMARY =========== --> |
| <li> |
| <section class="method-summary" id="method-summary"> |
| <h2>Method Summary</h2> |
| <div id="method-summary-table"> |
| <div class="table-tabs" role="tablist" aria-orientation="horizontal"><button id="method-summary-table-tab0" role="tab" aria-selected="true" aria-controls="method-summary-table.tabpanel" tabindex="0" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table', 3)" class="active-table-tab">All Methods</button><button id="method-summary-table-tab2" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab2', 3)" class="table-tab">Instance Methods</button><button id="method-summary-table-tab3" role="tab" aria-selected="false" aria-controls="method-summary-table.tabpanel" tabindex="-1" onkeydown="switchTab(event)" onclick="show('method-summary-table', 'method-summary-table-tab3', 3)" class="table-tab">Abstract Methods</button></div> |
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| <div class="summary-table three-column-summary" aria-labelledby="method-summary-table-tab0"> |
| <div class="table-header col-first">Modifier and Type</div> |
| <div class="table-header col-second">Method</div> |
| <div class="table-header col-last">Description</div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#areAllProcessesDead(java.lang.String,java.lang.String)" class="member-name-link">areAllProcessesDead</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Check if all the processes are dead.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#cleanup(java.lang.String,java.lang.String,int)" class="member-name-link">cleanup</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| int port)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">This function will be called when the worker needs to shutdown.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#forceKill(java.lang.String,java.lang.String)" class="member-name-link">forceKill</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Kill the given worker forcefully.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getMemoryUsage(java.lang.String,java.lang.String,int)" class="member-name-link">getMemoryUsage</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| int port)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Get the current memory usage of the a given worker.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>long</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#getSystemFreeMemoryMb()" class="member-name-link">getSystemFreeMemoryMb</a>()</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Get the amount of free memory in MB.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#isResourceManaged()" class="member-name-link">isResourceManaged</a>()</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Return true if resources are being managed.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#kill(java.lang.String,java.lang.String)" class="member-name-link">kill</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Kill the given worker.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#launchWorkerProcess(java.lang.String,java.lang.String,java.util.Map,int,java.lang.String,java.util.List,java.util.Map,java.lang.String,org.apache.storm.daemon.supervisor.ExitCodeCallback,java.io.File)" class="member-name-link">launchWorkerProcess</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> topologyId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> topoConf, |
| int port, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> command, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> env, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> logPrefix, |
| <a href="../daemon/supervisor/ExitCodeCallback.html" title="interface in org.apache.storm.daemon.supervisor">ExitCodeCallback</a> processExitCallback, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a> targetDir)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">After reserving resources for the worker (i.e. calling reserveResourcesForWorker), |
| this function can be used to launch worker process.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#prepare(java.util.Map)" class="member-name-link">prepare</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> conf)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Called when starting up.</div> |
| </div> |
| <div class="col-first odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>void</code></div> |
| <div class="col-second odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#reserveResourcesForWorker(java.lang.String,java.lang.Integer,java.lang.Integer,java.lang.String)" class="member-name-link">reserveResourcesForWorker</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a> workerMemory, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a> workerCpu, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> numaId)</code></div> |
| <div class="col-last odd-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">This function should be used prior to starting the worker to reserve resources for the worker.</div> |
| </div> |
| <div class="col-first even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code>boolean</code></div> |
| <div class="col-second even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"><code><a href="#runProfilingCommand(java.lang.String,java.lang.String,java.util.List,java.util.Map,java.lang.String,java.io.File)" class="member-name-link">runProfilingCommand</a><wbr>(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> command, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> env, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> logPrefix, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a> targetDir)</code></div> |
| <div class="col-last even-row-color method-summary-table method-summary-table-tab2 method-summary-table-tab3"> |
| <div class="block">Run profiling command.</div> |
| </div> |
| </div> |
| </div> |
| </div> |
| </section> |
| </li> |
| </ul> |
| </section> |
| <section class="details"> |
| <ul class="details-list"> |
| <!-- ============ METHOD DETAIL ========== --> |
| <li> |
| <section class="method-details" id="method-detail"> |
| <h2>Method Details</h2> |
| <ul class="member-list"> |
| <li> |
| <section class="detail" id="prepare(java.util.Map)"> |
| <h3>prepare</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">prepare</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> conf)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Called when starting up.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>conf</code> - the cluster config</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on any error.</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="reserveResourcesForWorker(java.lang.String,java.lang.Integer,java.lang.Integer,java.lang.String)"> |
| <h3>reserveResourcesForWorker</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">reserveResourcesForWorker</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a> workerMemory, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Integer.html" title="class or interface in java.lang" class="external-link">Integer</a> workerCpu, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> numaId)</span></div> |
| <div class="block">This function should be used prior to starting the worker to reserve resources for the worker.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>workerId</code> - worker id of the worker to start</dd> |
| <dd><code>workerMemory</code> - the amount of memory for the worker or null if not enforced</dd> |
| <dd><code>workerCpu</code> - the amount of cpu for the worker or null if not enforced</dd> |
| <dd><code>numaId</code> - NUMA zone if applicable the worker should be bound to</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="cleanup(java.lang.String,java.lang.String,int)"> |
| <h3>cleanup</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">cleanup</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| int port)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">This function will be called when the worker needs to shutdown. This function should include logic to clean up |
| after a worker is shutdown.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>user</code> - the user of the worker</dd> |
| <dd><code>workerId</code> - worker id to shutdown and clean up after</dd> |
| <dd><code>port</code> - the port of the worker</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code></dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="launchWorkerProcess(java.lang.String,java.lang.String,java.util.Map,int,java.lang.String,java.util.List,java.util.Map,java.lang.String,org.apache.storm.daemon.supervisor.ExitCodeCallback,java.io.File)"> |
| <h3>launchWorkerProcess</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">launchWorkerProcess</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> topologyId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/Object.html" title="class or interface in java.lang" class="external-link">Object</a>> topoConf, |
| int port, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> command, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> env, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> logPrefix, |
| <a href="../daemon/supervisor/ExitCodeCallback.html" title="interface in org.apache.storm.daemon.supervisor">ExitCodeCallback</a> processExitCallback, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a> targetDir)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">After reserving resources for the worker (i.e. calling reserveResourcesForWorker), |
| this function can be used to launch worker process.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>user</code> - the user who runs the command as</dd> |
| <dd><code>topologyId</code> - the Id of the topology</dd> |
| <dd><code>topoConf</code> - the topology configuration</dd> |
| <dd><code>port</code> - the port where the worker is on</dd> |
| <dd><code>workerId</code> - the Id of the worker</dd> |
| <dd><code>command</code> - the command to run</dd> |
| <dd><code>env</code> - the environment to run the command</dd> |
| <dd><code>logPrefix</code> - the prefix to include in the logs</dd> |
| <dd><code>processExitCallback</code> - a callback for when the process exits</dd> |
| <dd><code>targetDir</code> - the working directory to run the command in</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getMemoryUsage(java.lang.String,java.lang.String,int)"> |
| <h3>getMemoryUsage</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getMemoryUsage</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| int port)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Get the current memory usage of the a given worker.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>user</code> - the user that the worker is running as</dd> |
| <dd><code>workerId</code> - the id of the worker</dd> |
| <dd><code>port</code> - the port of the worker</dd> |
| <dt>Returns:</dt> |
| <dd>the amount of memory the worker is using in bytes or -1 if not supported</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="getSystemFreeMemoryMb()"> |
| <h3>getSystemFreeMemoryMb</h3> |
| <div class="member-signature"><span class="return-type">long</span> <span class="element-name">getSystemFreeMemoryMb</span>() |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Get the amount of free memory in MB. |
| This might not be the entire box, it might be within a parent resource group.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>The amount of memory in MB that are free on the system.</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="kill(java.lang.String,java.lang.String)"> |
| <h3>kill</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">kill</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Kill the given worker.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>user</code> - the user that the worker is running as</dd> |
| <dd><code>workerId</code> - the id of the worker to kill</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="forceKill(java.lang.String,java.lang.String)"> |
| <h3>forceKill</h3> |
| <div class="member-signature"><span class="return-type">void</span> <span class="element-name">forceKill</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Kill the given worker forcefully.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>user</code> - the user that the worker is running as</dd> |
| <dd><code>workerId</code> - the id of the worker to kill</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="areAllProcessesDead(java.lang.String,java.lang.String)"> |
| <h3>areAllProcessesDead</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name">areAllProcessesDead</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></span></div> |
| <div class="block">Check if all the processes are dead.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>user</code> - the user that the processes are running as</dd> |
| <dd><code>workerId</code> - the id of the worker to kill</dd> |
| <dt>Returns:</dt> |
| <dd>true if all the processed are dead; false otherwise</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="runProfilingCommand(java.lang.String,java.lang.String,java.util.List,java.util.Map,java.lang.String,java.io.File)"> |
| <h3>runProfilingCommand</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name">runProfilingCommand</span><wbr><span class="parameters">(<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> user, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> workerId, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/List.html" title="class or interface in java.util" class="external-link">List</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> command, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/util/Map.html" title="class or interface in java.util" class="external-link">Map</a><<a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>,<wbr><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a>> env, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/String.html" title="class or interface in java.lang" class="external-link">String</a> logPrefix, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/File.html" title="class or interface in java.io" class="external-link">File</a> targetDir)</span> |
| throws <span class="exceptions"><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a>, |
| <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></span></div> |
| <div class="block">Run profiling command.</div> |
| <dl class="notes"> |
| <dt>Parameters:</dt> |
| <dd><code>user</code> - the user that the worker is running as</dd> |
| <dd><code>workerId</code> - the id of the worker</dd> |
| <dd><code>command</code> - the command to run</dd> |
| <dd><code>env</code> - the environment to run the command</dd> |
| <dd><code>logPrefix</code> - the prefix to include in the logs</dd> |
| <dd><code>targetDir</code> - the working directory to run the command in</dd> |
| <dt>Returns:</dt> |
| <dd>true if succeeds; false otherwise</dd> |
| <dt>Throws:</dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html" title="class or interface in java.io" class="external-link">IOException</a></code> - on I/O exception</dd> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/InterruptedException.html" title="class or interface in java.lang" class="external-link">InterruptedException</a></code> - if interrupted</dd> |
| </dl> |
| </section> |
| </li> |
| <li> |
| <section class="detail" id="isResourceManaged()"> |
| <h3>isResourceManaged</h3> |
| <div class="member-signature"><span class="return-type">boolean</span> <span class="element-name">isResourceManaged</span>()</div> |
| <div class="block">Return true if resources are being managed. |
| The <a href="DefaultResourceIsolationManager.html" title="class in org.apache.storm.container"><code>DefaultResourceIsolationManager</code></a> will have it return false since it doesn't really manage resources.</div> |
| <dl class="notes"> |
| <dt>Returns:</dt> |
| <dd>true if resources are being managed.</dd> |
| </dl> |
| </section> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </section> |
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