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| <h2 title="Class ServerUtils" class="title">Class ServerUtils</h2> |
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| <pre>public class <span class="typeNameLabel">ServerUtils</span> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#IS_ON_WINDOWS">IS_ON_WINDOWS</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static org.slf4j.Logger</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#LOG">LOG</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#SIGKILL">SIGKILL</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#SIGTERM">SIGTERM</a></span></code> </td> |
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| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#ServerUtils--">ServerUtils</a></span>()</code> </td> |
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| <tr> |
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| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#areAllProcessesDead-java.util.Map-java.lang.String-java.lang.String-java.util.Set-">areAllProcessesDead</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf, |
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| <div class="block">Find if all processes for the user on workId are dead.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#canUserReadBlob-org.apache.storm.generated.ReadableBlobMeta-java.lang.String-java.util.Map-">canUserReadBlob</a></span>(<a href="../../../../org/apache/storm/generated/ReadableBlobMeta.html" title="class in org.apache.storm.generated">ReadableBlobMeta</a> meta, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf)</code> </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#containerFilePath-java.lang.String-">containerFilePath</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dir)</code> </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#currentClasspath--">currentClasspath</a></span>()</code> |
| <div class="block">Returns the value of java.class.path System property.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#currentClasspathImpl--">currentClasspathImpl</a></span>()</code> </td> |
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| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#execCommand-java.lang.String...-">execCommand</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... command)</code> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#extractZipFile-java.util.zip.ZipFile-java.io.File-java.lang.String-">extractZipFile</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/zip/ZipFile.html?is-external=true" title="class or interface in java.util.zip">ZipFile</a> zipFile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> toDir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> prefix)</code> |
| <div class="block">Extracts the given file to the given directory.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#forceKillProcess-java.lang.String-">forceKillProcess</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pid)</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/storm/blobstore/ClientBlobStore.html" title="class in org.apache.storm.blobstore">ClientBlobStore</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getClientBlobStoreForSupervisor-java.util.Map-">getClientBlobStoreForSupervisor</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf)</code> </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getComponentParallelism-java.util.Map-java.lang.Object-">getComponentParallelism</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> topoConf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> component)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Integer.html?is-external=true" title="class or interface in java.lang">Integer</a>></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getComponentParallelism-java.util.Map-org.apache.storm.generated.StormTopology-">getComponentParallelism</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> topoConf, |
| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology)</code> </td> |
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| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getDiskUsage-java.io.File-">getDiskUsage</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> dir)</code> |
| <div class="block">Takes an input dir or file and returns the disk usage on that local directory.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static double</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getEstimatedTotalHeapMemoryRequiredByTopo-java.util.Map-org.apache.storm.generated.StormTopology-">getEstimatedTotalHeapMemoryRequiredByTopo</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> topoConf, |
| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology)</code> </td> |
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| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getEstimatedWorkerCountForRasTopo-java.util.Map-org.apache.storm.generated.StormTopology-">getEstimatedWorkerCountForRasTopo</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> topoConf, |
| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology)</code> </td> |
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| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getFileOwner-java.lang.String-">getFileOwner</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</code> </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getMemInfoFreeMb--">getMemInfoFreeMb</a></span>()</code> |
| <div class="block">Get system free memory in megabytes.</div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/storm/blobstore/BlobStore.html" title="class in org.apache.storm.blobstore">BlobStore</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getNimbusBlobStore-java.util.Map-org.apache.storm.nimbus.NimbusInfo-org.apache.storm.nimbus.ILeaderElector-">getNimbusBlobStore</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf, |
| <a href="../../../../org/apache/storm/nimbus/NimbusInfo.html" title="class in org.apache.storm.nimbus">NimbusInfo</a> nimbusInfo, |
| <a href="../../../../org/apache/storm/nimbus/ILeaderElector.html" title="interface in org.apache.storm.nimbus">ILeaderElector</a> leaderElector)</code> </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/storm/blobstore/BlobStore.html" title="class in org.apache.storm.blobstore">BlobStore</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getNimbusBlobStore-java.util.Map-java.lang.String-org.apache.storm.nimbus.NimbusInfo-org.apache.storm.nimbus.ILeaderElector-">getNimbusBlobStore</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> baseDir, |
| <a href="../../../../org/apache/storm/nimbus/NimbusInfo.html" title="class in org.apache.storm.nimbus">NimbusInfo</a> nimbusInfo, |
| <a href="../../../../org/apache/storm/nimbus/ILeaderElector.html" title="interface in org.apache.storm.nimbus">ILeaderElector</a> leaderElector)</code> </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getPathOwnerUid-java.lang.String-">getPathOwnerUid</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fpath)</code> |
| <div class="block">Get the userId of the onwer of the path by running “ls -dn path” command.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getResourceFromClassloader-java.lang.String-">getResourceFromClassloader</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> |
| <div class="block">Returns the current thread classloader.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getResourceFromClassloaderImpl-java.lang.String-">getResourceFromClassloaderImpl</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#getUserId-java.lang.String-">getUserId</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</code> |
| <div class="block">Get the userId for a user name.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static <T> <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><T></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#interleaveAll-java.util.List-">interleaveAll</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><T>> nodeList)</code> </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#isAbsolutePath-java.lang.String-">isAbsolutePath</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</code> </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#isAnyPosixProcessPidDirAlive-java.util.Collection-java.lang.String-">isAnyPosixProcessPidDirAlive</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</code> |
| <div class="block">Find if the process is alive using the existence of /proc/<pid> directory owned by the supplied user.</div> |
| </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#isAnyPosixProcessPidDirAlive-java.util.Collection-java.lang.String-boolean-">isAnyPosixProcessPidDirAlive</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> expectedUser, |
| boolean mockFileOwnerToUid)</code> |
| <div class="block">Find if the process is alive using the existence of /proc/<pid> directory owned by the supplied expectedUser.</div> |
| </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#isAnyProcessAlive-java.util.Collection-int-">isAnyProcessAlive</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids, |
| int uid)</code> |
| <div class="block">Are any of the processes alive and running for the specified userId.</div> |
| </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#isAnyProcessAlive-java.util.Collection-java.lang.String-">isAnyProcessAlive</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</code> |
| <div class="block">Are any of the processes alive and running for the specified user.</div> |
| </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#isProcessAlive-long-java.lang.String-">isProcessAlive</a></span>(long pid, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</code> |
| <div class="block">Is a process alive and running?.</div> |
| </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#isRas-java.util.Map-">isRas</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf)</code> |
| <div class="block">Check if the scheduler is resource aware or not.</div> |
| </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#killProcessWithSigTerm-java.lang.String-">killProcessWithSigTerm</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pid)</code> </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#nimbusVersionOfBlob-java.lang.String-org.apache.storm.blobstore.ClientBlobStore-">nimbusVersionOfBlob</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> key, |
| <a href="../../../../org/apache/storm/blobstore/ClientBlobStore.html" title="class in org.apache.storm.blobstore">ClientBlobStore</a> cb)</code> </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/javax/security/auth/Subject.html?is-external=true" title="class or interface in javax.security.auth">Subject</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#principalNameToSubject-java.lang.String-">principalNameToSubject</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#scriptFilePath-java.lang.String-">scriptFilePath</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dir)</code> </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#sendSignalToProcess-long-int-">sendSignalToProcess</a></span>(long lpid, |
| int signum)</code> </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../org/apache/storm/utils/ServerUtils.html" title="class in org.apache.storm.utils">ServerUtils</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#setInstance-org.apache.storm.utils.ServerUtils-">setInstance</a></span>(<a href="../../../../org/apache/storm/utils/ServerUtils.html" title="class in org.apache.storm.utils">ServerUtils</a> u)</code> |
| <div class="block">Provide an instance of this class for delegates to use.</div> |
| </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#shellCmd-java.util.List-">shellCmd</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> command)</code> |
| <div class="block">Returns the combined string, escaped for posix shell.</div> |
| </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#unJar-java.io.File-java.io.File-">unJar</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> jarFile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> toDir)</code> |
| <div class="block">Unpack matching files from a jar.</div> |
| </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#unpack-java.io.File-java.io.File-boolean-">unpack</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> localrsrc, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> dst, |
| boolean symLinksDisabled)</code> </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#unTar-java.io.File-java.io.File-boolean-">unTar</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> inFile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> untarDir, |
| boolean symlinksDisabled)</code> |
| <div class="block">Given a Tar File as input it will untar the file in a the untar directory passed as the second parameter <p/> This utility will untar “.tar” files and “.tar.gz”,“tgz” files.</div> |
| </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#unZip-java.io.File-java.io.File-">unZip</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> inFile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> toDir)</code> |
| <div class="block">Given a File input it will unzip the file in a the unzip directory passed as the second parameter.</div> |
| </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#validateTopologyAckerBundleResource-java.util.Map-org.apache.storm.generated.StormTopology-java.lang.String-">validateTopologyAckerBundleResource</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> topoConf, |
| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> topoName)</code> |
| <div class="block">RAS scheduler will try to distribute ackers evenly over workers by adding some ackers to each newly launched worker.</div> |
| </td> |
| </tr> |
| <tr id="i42" class="altColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#validateTopologyWorkerMaxHeapSizeConfigs-java.util.Map-org.apache.storm.generated.StormTopology-double-">validateTopologyWorkerMaxHeapSizeConfigs</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> stormConf, |
| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology, |
| double defaultWorkerMaxHeapSizeMb)</code> </td> |
| </tr> |
| <tr id="i43" class="rowColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#writeScript-java.lang.String-java.util.List-java.util.Map-">writeScript</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> command, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> environment)</code> |
| <div class="block">Writes a posix shell script file to be executed in its own process.</div> |
| </td> |
| </tr> |
| <tr id="i44" class="altColor"> |
| <td class="colFirst"><code>static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#writeScript-java.lang.String-java.util.List-java.util.Map-java.lang.String-">writeScript</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> command, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> environment, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> umask)</code> |
| <div class="block">Writes a posix shell script file to be executed in its own process.</div> |
| </td> |
| </tr> |
| <tr id="i45" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#zipDoesContainDir-java.lang.String-java.lang.String-">zipDoesContainDir</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> zipfile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> target)</code> |
| <div class="block">Determines if a zip archive contains a particular directory.</div> |
| </td> |
| </tr> |
| <tr id="i46" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/storm/utils/ServerUtils.html#zipFileSize-java.io.File-">zipFileSize</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> myFile)</code> |
| <div class="block">Given a zip File input it will return its size Only works for zip files whose uncompressed size is less than 4 GB, otherwise returns the size module 2^32, per gzip specifications.</div> |
| </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a name="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
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| <pre>public static final int SIGKILL</pre> |
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| <pre>public ServerUtils()</pre> |
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| <div class="block"><p>Provide an instance of this class for delegates to use. To mock out delegated methods, provide an instance of a subclass that overrides the implementation of the delegated method.</p></div> |
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| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>u</code> - a ServerUtils instance</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the previously set instance</dd> |
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| <pre>public static <T> <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><T> interleaveAll(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><T>> nodeList)</pre> |
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| <pre>public static <a href="../../../../org/apache/storm/blobstore/BlobStore.html" title="class in org.apache.storm.blobstore">BlobStore</a> getNimbusBlobStore(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf, |
| <a href="../../../../org/apache/storm/nimbus/NimbusInfo.html" title="class in org.apache.storm.nimbus">NimbusInfo</a> nimbusInfo, |
| <a href="../../../../org/apache/storm/nimbus/ILeaderElector.html" title="interface in org.apache.storm.nimbus">ILeaderElector</a> leaderElector)</pre> |
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| <pre>public static <a href="../../../../org/apache/storm/blobstore/BlobStore.html" title="class in org.apache.storm.blobstore">BlobStore</a> getNimbusBlobStore(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> baseDir, |
| <a href="../../../../org/apache/storm/nimbus/NimbusInfo.html" title="class in org.apache.storm.nimbus">NimbusInfo</a> nimbusInfo, |
| <a href="../../../../org/apache/storm/nimbus/ILeaderElector.html" title="interface in org.apache.storm.nimbus">ILeaderElector</a> leaderElector)</pre> |
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| <pre>public static boolean isAbsolutePath(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> path)</pre> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> shellCmd(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> command)</pre> |
| <div class="block"><p>Returns the combined string, escaped for posix shell.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>command</code> - the list of strings to be combined</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the resulting command string</dd> |
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| <div class="block"><p>Takes an input dir or file and returns the disk usage on that local directory. Very basic implementation.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dir</code> - The input dir to get the disk space of this local dir</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>The total disk space of the input local directory</dd> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> currentClasspath()</pre> |
| <div class="block"><p>Returns the value of java.class.path System property. Kept separate for testing.</p></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the classpath</dd> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a> getResourceFromClassloader(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
| <div class="block"><p>Returns the current thread classloader.</p></div> |
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| <pre>public static boolean zipDoesContainDir(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> zipfile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> target) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Determines if a zip archive contains a particular directory.</p></div> |
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| <dd><code>zipfile</code> - path to the zipped file</dd> |
| <dd><code>target</code> - directory being looked for in the zip.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>boolean whether or not the directory exists in the zip.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> scriptFilePath(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dir)</pre> |
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| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> writeScript(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> command, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> environment) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Writes a posix shell script file to be executed in its own process.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dir</code> - the directory under which the script is to be written</dd> |
| <dd><code>command</code> - the command the script is to execute</dd> |
| <dd><code>environment</code> - optional environment variables to set before running the script’s command. May be null.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the path to the script that has been written</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
| </li> |
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| <h4>writeScript</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> writeScript(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> dir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/List.html?is-external=true" title="class or interface in java.util">List</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> command, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>> environment, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> umask) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Writes a posix shell script file to be executed in its own process.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>dir</code> - the directory under which the script is to be written</dd> |
| <dd><code>command</code> - the command the script is to execute</dd> |
| <dd><code>environment</code> - optional environment variables to set before running the script’s command. May be null.</dd> |
| <dd><code>umask</code> - umask to be set. It can be null.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the path to the script that has been written</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
| </dl> |
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| <h4>execCommand</h4> |
| <pre>public static int execCommand(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>... command) |
| throws org.apache.commons.exec.ExecuteException, |
| <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>org.apache.commons.exec.ExecuteException</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> |
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| <pre>public static void sendSignalToProcess(long lpid, |
| int signum) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static void killProcessWithSigTerm(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> pid) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
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| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
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| <a href="../../../../org/apache/storm/blobstore/ClientBlobStore.html" title="class in org.apache.storm.blobstore">ClientBlobStore</a> cb) |
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| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf)</pre> |
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| <h4>unJar</h4> |
| <pre>public static void unJar(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> jarFile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> toDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Unpack matching files from a jar. Entries inside the jar that do not match the given pattern will be skipped.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>jarFile</code> - the .jar file to unpack</dd> |
| <dd><code>toDir</code> - the destination directory into which to unpack the jar</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static void unTar(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> inFile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> untarDir, |
| boolean symlinksDisabled) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Given a Tar File as input it will untar the file in a the untar directory passed as the second parameter <p/> This utility will untar “.tar” files and “.tar.gz”,“tgz” files.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>inFile</code> - The tar file as input</dd> |
| <dd><code>untarDir</code> - The untar directory where to untar the tar file</dd> |
| <dd><code>symlinksDisabled</code> - true if symlinks should be disabled, else false</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static void unpack(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> localrsrc, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> dst, |
| boolean symLinksDisabled) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static void extractZipFile(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/zip/ZipFile.html?is-external=true" title="class or interface in java.util.zip">ZipFile</a> zipFile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> toDir, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> prefix) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Extracts the given file to the given directory. Only zip entries starting with the given prefix are extracted. The prefix is stripped off entry names before extraction.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>zipFile</code> - The zip file to extract</dd> |
| <dd><code>toDir</code> - The directory to extract to</dd> |
| <dd><code>prefix</code> - The prefix to look for in the zip file. If not null only paths starting with the prefix will be extracted</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <pre>public static void unZip(<a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> inFile, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/io/File.html?is-external=true" title="class or interface in java.io">File</a> toDir) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Given a File input it will unzip the file in a the unzip directory passed as the second parameter.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>inFile</code> - The zip file as input</dd> |
| <dd><code>toDir</code> - The unzip directory where to unzip the zip file</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Given a zip File input it will return its size Only works for zip files whose uncompressed size is less than 4 GB, otherwise returns the size module 2^32, per gzip specifications.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>myFile</code> - The zip file as input</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>zip file size as a long</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code></dd> |
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| <div class="block"><p>Check if the scheduler is resource aware or not.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>conf</code> - The configuration</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>True if it’s resource aware; false otherwise</dd> |
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| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology) |
| throws <a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></pre> |
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| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology) |
| throws <a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></code></dd> |
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| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology) |
| throws <a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></code></dd> |
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| <pre>public static int getComponentParallelism(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> topoConf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> component) |
| throws <a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></code></dd> |
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| <h4>principalNameToSubject</h4> |
| <pre>public static <a href="https://docs.oracle.com/javase/8/docs/api/javax/security/auth/Subject.html?is-external=true" title="class or interface in javax.security.auth">Subject</a> principalNameToSubject(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
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| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> currentClasspathImpl()</pre> |
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| <h4>getResourceFromClassloaderImpl</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/8/docs/api/java/net/URL.html?is-external=true" title="class or interface in java.net">URL</a> getResourceFromClassloaderImpl(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
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| <ul class="blockList"> |
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| <h4>getMemInfoFreeMb</h4> |
| <pre>public static long getMemInfoFreeMb() |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Get system free memory in megabytes.</p></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>system free memory in megabytes</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - on I/O exception</dd> |
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| <h4>isProcessAlive</h4> |
| <pre>public static boolean isProcessAlive(long pid, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Is a process alive and running?.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pid</code> - the PID of the running process</dd> |
| <dd><code>user</code> - the user that is expected to own that process</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if it is, else false</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - on any error</dd> |
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| <pre>public static boolean isAnyProcessAlive(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Are any of the processes alive and running for the specified user. If collection is empty or null then the return value is trivially false.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pids</code> - the PIDs of the running processes</dd> |
| <dd><code>user</code> - the user that is expected to own that process</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if any one of the processes is owned by user and alive, else false</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isAnyProcessAlive-java.util.Collection-int-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isAnyProcessAlive</h4> |
| <pre>public static boolean isAnyProcessAlive(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids, |
| int uid) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Are any of the processes alive and running for the specified userId. If collection is empty or null then the return value is trivially false.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pids</code> - the PIDs of the running processes</dd> |
| <dd><code>uid</code> - the user that is expected to own that process</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if any one of the processes is owned by user and alive, else false</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getUserId-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getUserId</h4> |
| <pre>public static int getUserId(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user)</pre> |
| <div class="block"><p>Get the userId for a user name. This works on Posix systems by using “id -u” command. Throw IllegalArgumentException on Windows.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>user</code> - username to be converted to UID. This is optional, in which case current user is returned.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>UID for the specified user (if supplied), else UID of current user, -1 upon Exception.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="getPathOwnerUid-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getPathOwnerUid</h4> |
| <pre>public static int getPathOwnerUid(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> fpath)</pre> |
| <div class="block"><p>Get the userId of the onwer of the path by running “ls -dn path” command. This command works on Posix systems only.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>fpath</code> - full path to the file or directory.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>UID for the specified if successful, -1 upon failure.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="areAllProcessesDead-java.util.Map-java.lang.String-java.lang.String-java.util.Set-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>areAllProcessesDead</h4> |
| <pre>public static boolean areAllProcessesDead(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> conf, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> workerId, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/util/Set.html?is-external=true" title="class or interface in java.util">Set</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Find if all processes for the user on workId are dead. This method attempts to optimize the calls by: <p> <li>checking a collection of ProcessIds at once</li> <li>using userId one Posix systems instead of user</li> </p></p></div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if all processes for the user are dead on the worker</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - if external commands have exception.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isAnyPosixProcessPidDirAlive-java.util.Collection-java.lang.String-"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>isAnyPosixProcessPidDirAlive</h4> |
| <pre>public static boolean isAnyPosixProcessPidDirAlive(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> user) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Find if the process is alive using the existence of /proc/<pid> directory owned by the supplied user. This is an alternative to “ps -p pid -u uid” command used in <a href="../../../../org/apache/storm/utils/ServerUtils.html#isAnyPosixProcessAlive-java.util.Collection-int-"><code>isAnyPosixProcessAlive(Collection, int)</code></a></p> |
| <p> |
| Processes are tracked using the existence of the directory "/proc/<pid> |
| For each of the supplied PIDs, their PID directory is checked for existence and ownership |
| by the specified uid. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pids</code> - Process IDs that need to be monitored for liveness</dd> |
| <dd><code>user</code> - the userId that is expected to own that process</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if any one of the processes is owned by user and alive, else false</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isAnyPosixProcessPidDirAlive-java.util.Collection-java.lang.String-boolean-"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>isAnyPosixProcessPidDirAlive</h4> |
| <pre>public static boolean isAnyPosixProcessPidDirAlive(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Collection.html?is-external=true" title="class or interface in java.util">Collection</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</a>> pids, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> expectedUser, |
| boolean mockFileOwnerToUid) |
| throws <a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></pre> |
| <div class="block"><p>Find if the process is alive using the existence of /proc/<pid> directory owned by the supplied expectedUser. This is an alternative to “ps -p pid -u uid” command used in <a href="../../../../org/apache/storm/utils/ServerUtils.html#isAnyPosixProcessAlive-java.util.Collection-int-"><code>isAnyPosixProcessAlive(Collection, int)</code></a></p> |
| <p> |
| Processes are tracked using the existence of the directory "/proc/<pid> |
| For each of the supplied PIDs, their PID directory is checked for existence and ownership |
| by the specified uid. |
| </p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pids</code> - Process IDs that need to be monitored for liveness</dd> |
| <dd><code>expectedUser</code> - the userId that is expected to own that process</dd> |
| <dd><code>mockFileOwnerToUid</code> - if true (used for testing), then convert File.owner to UID</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>true if any one of the processes is owned by expectedUser and alive, else false</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/8/docs/api/java/io/IOException.html?is-external=true" title="class or interface in java.io">IOException</a></code> - on I/O exception</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="validateTopologyWorkerMaxHeapSizeConfigs-java.util.Map-org.apache.storm.generated.StormTopology-double-"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>validateTopologyWorkerMaxHeapSizeConfigs</h4> |
| <pre>public static void validateTopologyWorkerMaxHeapSizeConfigs(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> stormConf, |
| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology, |
| double defaultWorkerMaxHeapSizeMb) |
| throws <a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></pre> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="validateTopologyAckerBundleResource-java.util.Map-org.apache.storm.generated.StormTopology-java.lang.String-"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>validateTopologyAckerBundleResource</h4> |
| <pre>public static void validateTopologyAckerBundleResource(<a href="https://docs.oracle.com/javase/8/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</a><<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>,<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a>> topoConf, |
| <a href="../../../../org/apache/storm/generated/StormTopology.html" title="class in org.apache.storm.generated">StormTopology</a> topology, |
| <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> topoName) |
| throws <a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></pre> |
| <div class="block"><p>RAS scheduler will try to distribute ackers evenly over workers by adding some ackers to each newly launched worker. Validations are performed here: (<a href="../../../../org/apache/storm/Config.html#TOPOLOGY_RAS_ACKER_EXECUTORS_PER_WORKER"><code>Config.TOPOLOGY_RAS_ACKER_EXECUTORS_PER_WORKER</code></a> * memory for an acker + memory for the biggest topo executor) < max worker heap memory. When RAS tries to schedule an executor to a new worker, it will put <a href="../../../../org/apache/storm/Config.html#TOPOLOGY_RAS_ACKER_EXECUTORS_PER_WORKER"><code>Config.TOPOLOGY_RAS_ACKER_EXECUTORS_PER_WORKER</code></a> ackers into the worker first. So <a href="../../../../org/apache/storm/Config.html#TOPOLOGY_WORKER_MAX_HEAP_SIZE_MB"><code>Config.TOPOLOGY_WORKER_MAX_HEAP_SIZE_MB</code></a> need to be able to accommodate this.</p></div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>topoConf</code> - Topology conf</dd> |
| <dd><code>topology</code> - Topology (not system topology)</dd> |
| <dd><code>topoName</code> - The name of the topology</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="../../../../org/apache/storm/generated/InvalidTopologyException.html" title="class in org.apache.storm.generated">InvalidTopologyException</a></code></dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
| </ul> |
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