source: proiecte/HadoopJUnit/hadoop-0.20.1/docs/api/org/apache/hadoop/mapreduce/class-use/Counter.html @ 120

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6<TITLE>
7Uses of Class org.apache.hadoop.mapreduce.Counter (Hadoop 0.20.1 API)
8</TITLE>
9
10<META NAME="date" CONTENT="2009-09-01">
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18        parent.document.title="Uses of Class org.apache.hadoop.mapreduce.Counter (Hadoop 0.20.1 API)";
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20}
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37<A NAME="navbar_top_firstrow"><!-- --></A>
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39  <TR ALIGN="center" VALIGN="top">
40  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A>&nbsp;</TD>
41  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
42  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A>&nbsp;</TD>
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44  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
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80
81<HR>
82<CENTER>
83<H2>
84<B>Uses of Class<br>org.apache.hadoop.mapreduce.Counter</B></H2>
85</CENTER>
86
87<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
88<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
89<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
90Packages that use <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></FONT></TH>
91</TR>
92<TR BGCOLOR="white" CLASS="TableRowColor">
93<TD><A HREF="#org.apache.hadoop.mapred"><B>org.apache.hadoop.mapred</B></A></TD>
94<TD>A software framework for easily writing applications which process vast
95amounts of data (multi-terabyte data-sets) parallelly on large clusters
96(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
97manner.&nbsp;</TD>
98</TR>
99<TR BGCOLOR="white" CLASS="TableRowColor">
100<TD><A HREF="#org.apache.hadoop.mapreduce"><B>org.apache.hadoop.mapreduce</B></A></TD>
101<TD>&nbsp;&nbsp;</TD>
102</TR>
103</TABLE>
104&nbsp;
105<P>
106<A NAME="org.apache.hadoop.mapred"><!-- --></A>
107<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
108<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
109<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
110Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH>
111</TR>
112</TABLE>
113&nbsp;
114<P>
115
116<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
117<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
118<TH ALIGN="left" COLSPAN="2">Subclasses of <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A> in <A HREF="../../../../../org/apache/hadoop/mapred/package-summary.html">org.apache.hadoop.mapred</A></FONT></TH>
119</TR>
120<TR BGCOLOR="white" CLASS="TableRowColor">
121<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
122<CODE>static&nbsp;class</CODE></FONT></TD>
123<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapred/Counters.Counter.html" title="class in org.apache.hadoop.mapred">Counters.Counter</A></B></CODE>
124
125<BR>
126&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Deprecated.</B>&nbsp;A counter record, comprising its name and value.</TD>
127</TR>
128</TABLE>
129&nbsp;
130<P>
131<A NAME="org.apache.hadoop.mapreduce"><!-- --></A>
132<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
133<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
134<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
135Uses of <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A> in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A></FONT></TH>
136</TR>
137</TABLE>
138&nbsp;
139<P>
140
141<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
142<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
143<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A> that return <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></FONT></TH>
144</TR>
145<TR BGCOLOR="white" CLASS="TableRowColor">
146<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
147<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
148<TD><CODE><B>Counters.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/Counters.html#findCounter(java.lang.Enum)">findCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</A>&lt;?&gt;&nbsp;key)</CODE>
149
150<BR>
151&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Find the counter for the given enum.</TD>
152</TR>
153<TR BGCOLOR="white" CLASS="TableRowColor">
154<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
155<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
156<TD><CODE><B>CounterGroup.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/CounterGroup.html#findCounter(java.lang.String)">findCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;counterName)</CODE>
157
158<BR>
159&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
160</TR>
161<TR BGCOLOR="white" CLASS="TableRowColor">
162<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
163<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
164<TD><CODE><B>Counters.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/Counters.html#findCounter(java.lang.String, java.lang.String)">findCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;groupName,
165            <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;counterName)</CODE>
166
167<BR>
168&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
169</TR>
170<TR BGCOLOR="white" CLASS="TableRowColor">
171<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
172<CODE>protected &nbsp;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
173<TD><CODE><B>CounterGroup.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/CounterGroup.html#findCounter(java.lang.String, java.lang.String)">findCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;counterName,
174            <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;displayName)</CODE>
175
176<BR>
177&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Internal to find a counter in a group.</TD>
178</TR>
179<TR BGCOLOR="white" CLASS="TableRowColor">
180<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
181<CODE>abstract &nbsp;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
182<TD><CODE><B>StatusReporter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/StatusReporter.html#getCounter(java.lang.Enum)">getCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</A>&lt;?&gt;&nbsp;name)</CODE>
183
184<BR>
185&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
186</TR>
187<TR BGCOLOR="white" CLASS="TableRowColor">
188<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
189<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
190<TD><CODE><B>TaskInputOutputContext.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html#getCounter(java.lang.Enum)">getCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Enum.html?is-external=true" title="class or interface in java.lang">Enum</A>&lt;?&gt;&nbsp;counterName)</CODE>
191
192<BR>
193&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
194</TR>
195<TR BGCOLOR="white" CLASS="TableRowColor">
196<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
197<CODE>abstract &nbsp;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
198<TD><CODE><B>StatusReporter.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/StatusReporter.html#getCounter(java.lang.String, java.lang.String)">getCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;group,
199           <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;name)</CODE>
200
201<BR>
202&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
203</TR>
204<TR BGCOLOR="white" CLASS="TableRowColor">
205<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
206<CODE>&nbsp;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></CODE></FONT></TD>
207<TD><CODE><B>TaskInputOutputContext.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/TaskInputOutputContext.html#getCounter(java.lang.String, java.lang.String)">getCounter</A></B>(<A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;groupName,
208           <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</A>&nbsp;counterName)</CODE>
209
210<BR>
211&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
212</TR>
213</TABLE>
214&nbsp;
215<P>
216
217<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
218<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
219<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A> that return types with arguments of type <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></FONT></TH>
220</TR>
221<TR BGCOLOR="white" CLASS="TableRowColor">
222<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
223<CODE>&nbsp;<A HREF="http://java.sun.com/javase/6/docs/api/java/util/Iterator.html?is-external=true" title="class or interface in java.util">Iterator</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A>&gt;</CODE></FONT></TD>
224<TD><CODE><B>CounterGroup.</B><B><A HREF="../../../../../org/apache/hadoop/mapreduce/CounterGroup.html#iterator()">iterator</A></B>()</CODE>
225
226<BR>
227&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
228</TR>
229</TABLE>
230&nbsp;
231<P>
232
233<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
234<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
235<TH ALIGN="left" COLSPAN="2">Constructors in <A HREF="../../../../../org/apache/hadoop/mapreduce/package-summary.html">org.apache.hadoop.mapreduce</A> with parameters of type <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A></FONT></TH>
236</TR>
237<TR BGCOLOR="white" CLASS="TableRowColor">
238<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/ReduceContext.html#ReduceContext(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapreduce.TaskAttemptID, org.apache.hadoop.mapred.RawKeyValueIterator, org.apache.hadoop.mapreduce.Counter, org.apache.hadoop.mapreduce.RecordWriter, org.apache.hadoop.mapreduce.OutputCommitter, org.apache.hadoop.mapreduce.StatusReporter, org.apache.hadoop.io.RawComparator, java.lang.Class, java.lang.Class)">ReduceContext</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
239              <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A>&nbsp;taskid,
240              <A HREF="../../../../../org/apache/hadoop/mapred/RawKeyValueIterator.html" title="interface in org.apache.hadoop.mapred">RawKeyValueIterator</A>&nbsp;input,
241              <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A>&nbsp;inputCounter,
242              <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="type parameter in ReduceContext">KEYOUT</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="type parameter in ReduceContext">VALUEOUT</A>&gt;&nbsp;output,
243              <A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A>&nbsp;committer,
244              <A HREF="../../../../../org/apache/hadoop/mapreduce/StatusReporter.html" title="class in org.apache.hadoop.mapreduce">StatusReporter</A>&nbsp;reporter,
245              <A HREF="../../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="type parameter in ReduceContext">KEYIN</A>&gt;&nbsp;comparator,
246              <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="type parameter in ReduceContext">KEYIN</A>&gt;&nbsp;keyClass,
247              <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/ReduceContext.html" title="type parameter in ReduceContext">VALUEIN</A>&gt;&nbsp;valueClass)</CODE>
248
249<BR>
250&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
251</TR>
252<TR BGCOLOR="white" CLASS="TableRowColor">
253<TD><CODE><B><A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.Context.html#Reducer.Context(org.apache.hadoop.conf.Configuration, org.apache.hadoop.mapreduce.TaskAttemptID, org.apache.hadoop.mapred.RawKeyValueIterator, org.apache.hadoop.mapreduce.Counter, org.apache.hadoop.mapreduce.RecordWriter, org.apache.hadoop.mapreduce.OutputCommitter, org.apache.hadoop.mapreduce.StatusReporter, org.apache.hadoop.io.RawComparator, java.lang.Class, java.lang.Class)">Reducer.Context</A></B>(<A HREF="../../../../../org/apache/hadoop/conf/Configuration.html" title="class in org.apache.hadoop.conf">Configuration</A>&nbsp;conf,
254                <A HREF="../../../../../org/apache/hadoop/mapreduce/TaskAttemptID.html" title="class in org.apache.hadoop.mapreduce">TaskAttemptID</A>&nbsp;taskid,
255                <A HREF="../../../../../org/apache/hadoop/mapred/RawKeyValueIterator.html" title="interface in org.apache.hadoop.mapred">RawKeyValueIterator</A>&nbsp;input,
256                <A HREF="../../../../../org/apache/hadoop/mapreduce/Counter.html" title="class in org.apache.hadoop.mapreduce">Counter</A>&nbsp;inputCounter,
257                <A HREF="../../../../../org/apache/hadoop/mapreduce/RecordWriter.html" title="class in org.apache.hadoop.mapreduce">RecordWriter</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYOUT</A>,<A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">VALUEOUT</A>&gt;&nbsp;output,
258                <A HREF="../../../../../org/apache/hadoop/mapreduce/OutputCommitter.html" title="class in org.apache.hadoop.mapreduce">OutputCommitter</A>&nbsp;committer,
259                <A HREF="../../../../../org/apache/hadoop/mapreduce/StatusReporter.html" title="class in org.apache.hadoop.mapreduce">StatusReporter</A>&nbsp;reporter,
260                <A HREF="../../../../../org/apache/hadoop/io/RawComparator.html" title="interface in org.apache.hadoop.io">RawComparator</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYIN</A>&gt;&nbsp;comparator,
261                <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">KEYIN</A>&gt;&nbsp;keyClass,
262                <A HREF="http://java.sun.com/javase/6/docs/api/java/lang/Class.html?is-external=true" title="class or interface in java.lang">Class</A>&lt;<A HREF="../../../../../org/apache/hadoop/mapreduce/Reducer.html" title="type parameter in Reducer">VALUEIN</A>&gt;&nbsp;valueClass)</CODE>
263
264<BR>
265&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
266</TR>
267</TABLE>
268&nbsp;
269<P>
270<HR>
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