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<h1>11.6 Job Defaults and Per Job Limits</h1>

<h2>11.6.1 Job Defaults</h2>

 Job defaults can be specified on a <i>per queue</i> basis. These defaults are specified using the <a href="a.fparameters.php#CLASSSCFG">CLASSCFG</a> parameter. The table below show the applicable attributes:
<p>
<table border="2">
<tr>
<td><b>Attribute</b>
<td><b>Format</b>
<td><b>Example</b>
<tr>
<td>DEFAULT.FEATURES
<td>comma delimited list of node features
<td><tt>CLASSCFG[batch] DEFAULT.FEATURES=fast,io</tt><br>(jobs submitted to class <tt>batch</tt> will request nodes features <tt>fast</tt> and <tt>io</tt>
<tr>
<td>DEFAULT.WCLIMIT
<td>[[[DD:]HH:]MM:]SS
<td><tt>CLASSCFG[batch] DEFAULT.WCLIMIT=1:00:00</tt><br>(jobs submitted to class <tt>batch</tt> will request one hour of walltime by default.)
</table>

<h2>11.6.2 Per Job Maximum Limits</h2>

 Job defaults can be specified on a <i>per queue</i> basis. These defaults are specified using t
he <a href="a.fparameters.php#CLASSSCFG">CLASSCFG</a> parameter. The table below shows the applicable attributes:
<p>
<table border="2">
<tr>
<td><b>Attribute</b>
<td><b>Format</b>
<td><b>Example</b>
<tr>
<td>MAX.WCLIMIT
<td>[[[DD:]HH:]MM:]SS
<td><tt>CLASSCFG[batch] MAX.WCLIMIT=1:00:00</tt><br>(jobs submitted to class <tt>batch</tt> can request no more than one hour of walltime.) 
</table>

<h2>11.6.3 Per Job Minimum Limits</h2>

 Furthermore, minimum job defaults can be specified on with the <a href="a.fparameters.php#classcfg">CLASSCFG</a> parameter. The table below shows the applicable attributes:
<p>
<table border="2">
<tr>
<td><b>Attribute</b>
<td><b>Format</b>
<td><b>Example</b>
<tr>
<td>MIN.PROC
<td>&lt;integer>
<td><tt>CLASSCFG[batch] MIN.PROC=10</tt><br>(jobs submitted to class <tt>batch</tt> can request no less than ten processors.) 
</table>


<p>
<img src="/images/logo1.gif" height=24> The <a href="../mcm/index.php">Moab Cluster Manager</a><sup>TM</sup> provides an easy to use graphical interface to control job limits.</p>

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