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Instrumentation (Apache Hadoop HttpFS 2.0.0-alpha API)
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org.apache.hadoop.lib.service</FONT>
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Interface Instrumentation</H2>
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<DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../org/apache/hadoop/lib/service/instrumentation/InstrumentationService.html" title="class in org.apache.hadoop.lib.service.instrumentation">InstrumentationService</A></DD>
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<DT><PRE>public interface <A HREF="../../../../../src-html/org/apache/hadoop/lib/service/Instrumentation.html#line.23"><B>Instrumentation</B></A></DL>
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<CODE>static&nbsp;interface</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Cron.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Cron</A></B></CODE>

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<CODE>static&nbsp;interface</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Variable.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Variable</A>&lt;<A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Variable.html" title="type parameter in Instrumentation.Variable">T</A>&gt;</B></CODE>

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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.html#addCron(java.lang.String, java.lang.String, org.apache.hadoop.lib.service.Instrumentation.Cron)">addCron</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
               <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
               <A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Cron.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Cron</A>&nbsp;cron)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.html#addSampler(java.lang.String, java.lang.String, int, org.apache.hadoop.lib.service.Instrumentation.Variable)">addSampler</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
                     <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
                     int&nbsp;samplingSize,
                     <A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Variable.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Variable</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</A>&gt;&nbsp;variable)</CODE>

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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.html#addVariable(java.lang.String, java.lang.String, org.apache.hadoop.lib.service.Instrumentation.Variable)">addVariable</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
                       <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
                       <A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Variable.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Variable</A>&lt;?&gt;&nbsp;variable)</CODE>

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<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Cron.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Cron</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.html#createCron()">createCron</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,?&gt;&gt;</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.html#getSnapshot()">getSnapshot</A></B>()</CODE>

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<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.html#incr(java.lang.String, java.lang.String, long)">incr</A></B>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
         <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
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<A NAME="createCron()"><!-- --></A><H3>
createCron</H3>
<PRE>
<A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Cron.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Cron</A> <A HREF="../../../../../src-html/org/apache/hadoop/lib/service/Instrumentation.html#line.37"><B>createCron</B></A>()</PRE>
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<A NAME="incr(java.lang.String, java.lang.String, long)"><!-- --></A><H3>
incr</H3>
<PRE>
void <A HREF="../../../../../src-html/org/apache/hadoop/lib/service/Instrumentation.html#line.39"><B>incr</B></A>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
          <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
          long&nbsp;count)</PRE>
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<A NAME="addCron(java.lang.String, java.lang.String, org.apache.hadoop.lib.service.Instrumentation.Cron)"><!-- --></A><H3>
addCron</H3>
<PRE>
void <A HREF="../../../../../src-html/org/apache/hadoop/lib/service/Instrumentation.html#line.41"><B>addCron</B></A>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
             <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
             <A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Cron.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Cron</A>&nbsp;cron)</PRE>
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<DD><DL>
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<A NAME="addVariable(java.lang.String, java.lang.String, org.apache.hadoop.lib.service.Instrumentation.Variable)"><!-- --></A><H3>
addVariable</H3>
<PRE>
void <A HREF="../../../../../src-html/org/apache/hadoop/lib/service/Instrumentation.html#line.43"><B>addVariable</B></A>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
                 <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
                 <A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Variable.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Variable</A>&lt;?&gt;&nbsp;variable)</PRE>
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</DD>
</DL>
<HR>

<A NAME="addSampler(java.lang.String, java.lang.String, int, org.apache.hadoop.lib.service.Instrumentation.Variable)"><!-- --></A><H3>
addSampler</H3>
<PRE>
void <A HREF="../../../../../src-html/org/apache/hadoop/lib/service/Instrumentation.html#line.46"><B>addSampler</B></A>(<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
                <A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name,
                int&nbsp;samplingSize,
                <A HREF="../../../../../org/apache/hadoop/lib/service/Instrumentation.Variable.html" title="interface in org.apache.hadoop.lib.service">Instrumentation.Variable</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/Long.html?is-external=true" title="class or interface in java.lang">Long</A>&gt;&nbsp;variable)</PRE>
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<A NAME="getSnapshot()"><!-- --></A><H3>
getSnapshot</H3>
<PRE>
<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,<A HREF="http://download.oracle.com/javase/6/docs/api/java/util/Map.html?is-external=true" title="class or interface in java.util">Map</A>&lt;<A HREF="http://download.oracle.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>,?&gt;&gt; <A HREF="../../../../../src-html/org/apache/hadoop/lib/service/Instrumentation.html#line.48"><B>getSnapshot</B></A>()</PRE>
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