pj2/doc/edu/rit/pjmr/util/ScatterFiles.html

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<div class="subTitle">edu.rit.pjmr.util</div>
<h2 title="Class ScatterFiles" class="title">Class ScatterFiles</h2>
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<pre>public class <span class="strong">ScatterFiles</span>
extends <a href="../../../../edu/rit/pj2/Job.html" title="class in edu.rit.pj2">Job</a></pre>
<div class="block">Class ScatterFiles is a cluster parallel program for scattering the files in
 a directory among the nodes of a cluster parallel computer.
 <P>
 Usage: <TT>java pj2 edu.rit.pjmr.util.ScatterFiles <I>nodes</I> <I>host</I>
 <I>port</I> <I>directory</I></TT>
 <BR><TT><I>nodes</I></TT> = List of one or more comma-separated backend node
 names
 <BR><TT><I>host</I></TT> = Frontend node host name or IP address
 <BR><TT><I>port</I></TT> = Frontend node port number
 <BR><TT><I>directory</I></TT> = Directory full pathname
 <P>
 The program reads files from the given <I>directory</I> on the cluster's
 frontend node. The program scatters those files among the given backend
 <I>nodes</I>. Each backend node stores its files in the given
 <I>directory</I> also. The program distributes the files to the backend nodes
 such that the files occupy about the same amount of storage on each backend
 node. The program chooses the backend node to receive each frontend file in
 an unspecified manner; any file could end up on any backend.
 <P>
 The program scatters only the files that reside in the given directory. The
 program does not descend recursively into any subdirectories.
 <P>
 The files are transferred via a direct socket connection from the frontend
 node to each backend node. The frontend node listens for connections on the
 given <I>host</I> and <I>port</I>. The backend nodes connect to that host and
 port.</div>
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<h3>Fields inherited from class&nbsp;edu.rit.pj2.<a href="../../../../edu/rit/pj2/Job.html" title="class in edu.rit.pj2">Job</a></h3>
<code><a href="../../../../edu/rit/pj2/Job.html#ALL_CORES">ALL_CORES</a>, <a href="../../../../edu/rit/pj2/Job.html#ALL_GPUS">ALL_GPUS</a>, <a href="../../../../edu/rit/pj2/Job.html#ANY_NODE_NAME">ANY_NODE_NAME</a>, <a href="../../../../edu/rit/pj2/Job.html#DEFAULT_CHUNK">DEFAULT_CHUNK</a>, <a href="../../../../edu/rit/pj2/Job.html#DEFAULT_CORES">DEFAULT_CORES</a>, <a href="../../../../edu/rit/pj2/Job.html#DEFAULT_GPUS">DEFAULT_GPUS</a>, <a href="../../../../edu/rit/pj2/Job.html#DEFAULT_NODE_NAME">DEFAULT_NODE_NAME</a>, <a href="../../../../edu/rit/pj2/Job.html#DEFAULT_SCHEDULE">DEFAULT_SCHEDULE</a>, <a href="../../../../edu/rit/pj2/Job.html#DEFAULT_THREADS">DEFAULT_THREADS</a>, <a href="../../../../edu/rit/pj2/Job.html#DEFAULT_WORKERS">DEFAULT_WORKERS</a>, <a href="../../../../edu/rit/pj2/Job.html#dynamic">dynamic</a>, <a href="../../../../edu/rit/pj2/Job.html#fixed">fixed</a>, <a href="../../../../edu/rit/pj2/Job.html#guided">guided</a>, <a href="../../../../edu/rit/pj2/Job.html#jobFinish">jobFinish</a>, <a href="../../../../edu/rit/pj2/Job.html#jobLaunch">jobLaunch</a>, <a href="../../../../edu/rit/pj2/Job.html#jobStart">jobStart</a>, <a href="../../../../edu/rit/pj2/Job.html#leapfrog">leapfrog</a>, <a href="../../../../edu/rit/pj2/Job.html#makespan">makespan</a>, <a href="../../../../edu/rit/pj2/Job.html#proportional">proportional</a>, <a href="../../../../edu/rit/pj2/Job.html#remainingTuples">remainingTuples</a>, <a href="../../../../edu/rit/pj2/Job.html#STANDARD_CHUNK">STANDARD_CHUNK</a>, <a href="../../../../edu/rit/pj2/Job.html#taskArguments">taskArguments</a>, <a href="../../../../edu/rit/pj2/Job.html#taskFinish">taskFinish</a>, <a href="../../../../edu/rit/pj2/Job.html#taskInputTuples">taskInputTuples</a>, <a href="../../../../edu/rit/pj2/Job.html#taskLaunch">taskLaunch</a>, <a href="../../../../edu/rit/pj2/Job.html#taskOutputTuples">taskOutputTuples</a>, <a href="../../../../edu/rit/pj2/Job.html#taskStart">taskStart</a>, <a href="../../../../edu/rit/pj2/Job.html#THREADS_EQUALS_CORES">THREADS_EQUALS_CORES</a></code></li>
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<td class="colOne"><code><strong><a href="../../../../edu/rit/pjmr/util/ScatterFiles.html#ScatterFiles()">ScatterFiles</a></strong>()</code>&nbsp;</td>
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<td class="colFirst"><code>void</code></td>
<td class="colLast"><code><strong><a href="../../../../edu/rit/pjmr/util/ScatterFiles.html#main(java.lang.String[])">main</a></strong>(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)</code>
<div class="block">Job main program.</div>
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<h3>Methods inherited from class&nbsp;edu.rit.pj2.<a href="../../../../edu/rit/pj2/Job.html" title="class in edu.rit.pj2">Job</a></h3>
<code><a href="../../../../edu/rit/pj2/Job.html#chunk()">chunk</a>, <a href="../../../../edu/rit/pj2/Job.html#chunk(int)">chunk</a>, <a href="../../../../edu/rit/pj2/Job.html#cores()">cores</a>, <a href="../../../../edu/rit/pj2/Job.html#cores(int)">cores</a>, <a href="../../../../edu/rit/pj2/Job.html#debug(edu.rit.pj2.Debug...)">debug</a>, <a href="../../../../edu/rit/pj2/Job.html#debug(edu.rit.pj2.Debug)">debug</a>, <a href="../../../../edu/rit/pj2/Job.html#debug(java.util.Set)">debug</a>, <a href="../../../../edu/rit/pj2/Job.html#execute()">execute</a>, <a href="../../../../edu/rit/pj2/Job.html#gpus()">gpus</a>, <a href="../../../../edu/rit/pj2/Job.html#gpus(int)">gpus</a>, <a href="../../../../edu/rit/pj2/Job.html#jar()">jar</a>, <a href="../../../../edu/rit/pj2/Job.html#jar(java.io.File)">jar</a>, <a href="../../../../edu/rit/pj2/Job.html#jvmFlags()">jvmFlags</a>, <a href="../../../../edu/rit/pj2/Job.html#jvmFlags(java.lang.String...)">jvmFlags</a>, <a href="../../../../edu/rit/pj2/Job.html#listenHost()">listenHost</a>, <a href="../../../../edu/rit/pj2/Job.html#listenHost(java.lang.String)">listenHost</a>, <a href="../../../../edu/rit/pj2/Job.html#listenPort()">listenPort</a>, <a href="../../../../edu/rit/pj2/Job.html#listenPort(int)">listenPort</a>, <a href="../../../../edu/rit/pj2/Job.html#masterChunk()">masterChunk</a>, <a href="../../../../edu/rit/pj2/Job.html#masterChunk(int)">masterChunk</a>, <a href="../../../../edu/rit/pj2/Job.html#masterFor(int, int, java.lang.Class)">masterFor</a>, <a href="../../../../edu/rit/pj2/Job.html#masterFor(long, long, java.lang.Class)">masterFor</a>, <a href="../../../../edu/rit/pj2/Job.html#masterSchedule()">masterSchedule</a>, <a href="../../../../edu/rit/pj2/Job.html#masterSchedule(edu.rit.pj2.Schedule)">masterSchedule</a>, <a href="../../../../edu/rit/pj2/Job.html#nodeName()">nodeName</a>, <a href="../../../../edu/rit/pj2/Job.html#nodeName(java.lang.String)">nodeName</a>, <a href="../../../../edu/rit/pj2/Job.html#putTuple(int, edu.rit.pj2.Tuple)">putTuple</a>, <a href="../../../../edu/rit/pj2/Job.html#putTuple(edu.rit.pj2.Tuple)">putTuple</a>, <a href="../../../../edu/rit/pj2/Job.html#rule()">rule</a>, <a href="../../../../edu/rit/pj2/Job.html#rule(edu.rit.util.Action)">rule</a>, <a href="../../../../edu/rit/pj2/Job.html#schedule()">schedule</a>, <a href="../../../../edu/rit/pj2/Job.html#schedule(edu.rit.pj2.Schedule)">schedule</a>, <a href="../../../../edu/rit/pj2/Job.html#threads()">threads</a>, <a href="../../../../edu/rit/pj2/Job.html#threads(int)">threads</a>, <a href="../../../../edu/rit/pj2/Job.html#timeLimit()">timeLimit</a>, <a href="../../../../edu/rit/pj2/Job.html#timeLimit(int)">timeLimit</a>, <a href="../../../../edu/rit/pj2/Job.html#trackerHost()">trackerHost</a>, <a href="../../../../edu/rit/pj2/Job.html#trackerHost(java.lang.String)">trackerHost</a>, <a href="../../../../edu/rit/pj2/Job.html#trackerPort()">trackerPort</a>, <a href="../../../../edu/rit/pj2/Job.html#trackerPort(int)">trackerPort</a>, <a href="../../../../edu/rit/pj2/Job.html#workers()">workers</a>, <a href="../../../../edu/rit/pj2/Job.html#workers(int)">workers</a></code></li>
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<h3>Methods inherited from class&nbsp;java.lang.<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3>
<code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone()" title="class or interface in java.lang">clone</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals(java.lang.Object)" title="class or interface in java.lang">equals</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize()" title="class or interface in java.lang">finalize</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass()" title="class or interface in java.lang">getClass</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode()" title="class or interface in java.lang">hashCode</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify()" title="class or interface in java.lang">notify</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll()" title="class or interface in java.lang">notifyAll</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString()" title="class or interface in java.lang">toString</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait()" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long)" title="class or interface in java.lang">wait</a>, <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait(long, int)" title="class or interface in java.lang">wait</a></code></li>
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<pre>public&nbsp;ScatterFiles()</pre>
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<h4>main</h4>
<pre>public&nbsp;void&nbsp;main(<a href="http://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a>[]&nbsp;args)
          throws <a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></pre>
<div class="block">Job main program.</div>
<dl>
<dt><strong>Specified by:</strong></dt>
<dd><code><a href="../../../../edu/rit/pj2/Job.html#main(java.lang.String[])">main</a></code>&nbsp;in class&nbsp;<code><a href="../../../../edu/rit/pj2/Job.html" title="class in edu.rit.pj2">Job</a></code></dd>
<dt><span class="strong">Parameters:</span></dt><dd><code>args</code> - Array of zero or more command line argument strings.</dd>
<dt><span class="strong">Throws:</span></dt>
<dd><code><a href="http://docs.oracle.com/javase/7/docs/api/java/lang/Exception.html?is-external=true" title="class or interface in java.lang">Exception</a></code> - The <TT>main()</TT> method can throw any exception.</dd></dl>
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