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7org.apache.hadoop.contrib.failmon (Hadoop 0.20.1 API)
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83Package org.apache.hadoop.contrib.failmon
84</H2>
85
86<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
87<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
88<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
89<B>Interface Summary</B></FONT></TH>
90</TR>
91<TR BGCOLOR="white" CLASS="TableRowColor">
92<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Monitored.html" title="interface in org.apache.hadoop.contrib.failmon">Monitored</A></B></TD>
93<TD>Represents objects that monitor specific hardware resources and
94 can query them to get EventRecords describing the state of these
95 resources.</TD>
96</TR>
97</TABLE>
98&nbsp;
99
100<P>
101
102<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
103<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
104<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
105<B>Class Summary</B></FONT></TH>
106</TR>
107<TR BGCOLOR="white" CLASS="TableRowColor">
108<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Anonymizer.html" title="class in org.apache.hadoop.contrib.failmon">Anonymizer</A></B></TD>
109<TD>This class provides anonymization to SerializedRecord objects.</TD>
110</TR>
111<TR BGCOLOR="white" CLASS="TableRowColor">
112<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Continuous.html" title="class in org.apache.hadoop.contrib.failmon">Continuous</A></B></TD>
113<TD>This class runs FailMon in a continuous mode on the local
114 node.</TD>
115</TR>
116<TR BGCOLOR="white" CLASS="TableRowColor">
117<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/CPUParser.html" title="class in org.apache.hadoop.contrib.failmon">CPUParser</A></B></TD>
118<TD>Objects of this class parse the /proc/cpuinfo file to
119 gather information about present processors in the system.</TD>
120</TR>
121<TR BGCOLOR="white" CLASS="TableRowColor">
122<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Environment.html" title="class in org.apache.hadoop.contrib.failmon">Environment</A></B></TD>
123<TD>This class provides various methods for interaction with
124 the configuration and the operating system environment.</TD>
125</TR>
126<TR BGCOLOR="white" CLASS="TableRowColor">
127<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/EventRecord.html" title="class in org.apache.hadoop.contrib.failmon">EventRecord</A></B></TD>
128<TD>Objects of this class represent metrics collected for
129 a specific hardware source.</TD>
130</TR>
131<TR BGCOLOR="white" CLASS="TableRowColor">
132<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/Executor.html" title="class in org.apache.hadoop.contrib.failmon">Executor</A></B></TD>
133<TD>This class executes monitoring jobs on all nodes of the
134 cluster, on which we intend to gather failure metrics.</TD>
135</TR>
136<TR BGCOLOR="white" CLASS="TableRowColor">
137<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/HadoopLogParser.html" title="class in org.apache.hadoop.contrib.failmon">HadoopLogParser</A></B></TD>
138<TD>An object of this class parses a Hadoop log file to create
139 appropriate EventRecords.</TD>
140</TR>
141<TR BGCOLOR="white" CLASS="TableRowColor">
142<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/HDFSMerger.html" title="class in org.apache.hadoop.contrib.failmon">HDFSMerger</A></B></TD>
143<TD>&nbsp;</TD>
144</TR>
145<TR BGCOLOR="white" CLASS="TableRowColor">
146<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/LocalStore.html" title="class in org.apache.hadoop.contrib.failmon">LocalStore</A></B></TD>
147<TD>This class takes care of the temporary local storage of
148 gathered metrics before they get uploaded into HDFS.</TD>
149</TR>
150<TR BGCOLOR="white" CLASS="TableRowColor">
151<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/LogParser.html" title="class in org.apache.hadoop.contrib.failmon">LogParser</A></B></TD>
152<TD>This class represents objects that provide log parsing
153 functionality.</TD>
154</TR>
155<TR BGCOLOR="white" CLASS="TableRowColor">
156<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/MonitorJob.html" title="class in org.apache.hadoop.contrib.failmon">MonitorJob</A></B></TD>
157<TD>This class is a wrapper for a monitoring job.</TD>
158</TR>
159<TR BGCOLOR="white" CLASS="TableRowColor">
160<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/NICParser.html" title="class in org.apache.hadoop.contrib.failmon">NICParser</A></B></TD>
161<TD>Objects of this class parse the output of ifconfig to
162 gather information about present Network Interface Cards
163 in the system.</TD>
164</TR>
165<TR BGCOLOR="white" CLASS="TableRowColor">
166<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/OfflineAnonymizer.html" title="class in org.apache.hadoop.contrib.failmon">OfflineAnonymizer</A></B></TD>
167<TD>This class can be used to anonymize logs independently of
168 Hadoop and the Executor.</TD>
169</TR>
170<TR BGCOLOR="white" CLASS="TableRowColor">
171<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/PersistentState.html" title="class in org.apache.hadoop.contrib.failmon">PersistentState</A></B></TD>
172<TD>This class takes care of the information that needs to be
173 persistently stored locally on nodes.</TD>
174</TR>
175<TR BGCOLOR="white" CLASS="TableRowColor">
176<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/RunOnce.html" title="class in org.apache.hadoop.contrib.failmon">RunOnce</A></B></TD>
177<TD>Runs a set of monitoring jobs once for the local node.</TD>
178</TR>
179<TR BGCOLOR="white" CLASS="TableRowColor">
180<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/SensorsParser.html" title="class in org.apache.hadoop.contrib.failmon">SensorsParser</A></B></TD>
181<TD>Objects of this class parse the output of the lm-sensors utility
182 to gather information about fan speed, temperatures for cpus
183 and motherboard etc.</TD>
184</TR>
185<TR BGCOLOR="white" CLASS="TableRowColor">
186<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/SerializedRecord.html" title="class in org.apache.hadoop.contrib.failmon">SerializedRecord</A></B></TD>
187<TD>Objects of this class hold the serialized representations
188 of EventRecords.</TD>
189</TR>
190<TR BGCOLOR="white" CLASS="TableRowColor">
191<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/ShellParser.html" title="class in org.apache.hadoop.contrib.failmon">ShellParser</A></B></TD>
192<TD>Objects of this class parse the output of system command-line
193 utilities that can give information about the state of 
194 various hardware components in the system.</TD>
195</TR>
196<TR BGCOLOR="white" CLASS="TableRowColor">
197<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/SMARTParser.html" title="class in org.apache.hadoop.contrib.failmon">SMARTParser</A></B></TD>
198<TD>Objects of this class parse the output of smartmontools to
199 gather information about the state of disks in the system.</TD>
200</TR>
201<TR BGCOLOR="white" CLASS="TableRowColor">
202<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/SystemLogParser.html" title="class in org.apache.hadoop.contrib.failmon">SystemLogParser</A></B></TD>
203<TD>An object of this class parses a Unix system log file to create
204 appropriate EventRecords.</TD>
205</TR>
206</TABLE>
207&nbsp;
208
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213<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
214<B>Enum Summary</B></FONT></TH>
215</TR>
216<TR BGCOLOR="white" CLASS="TableRowColor">
217<TD WIDTH="15%"><B><A HREF="../../../../../org/apache/hadoop/contrib/failmon/OfflineAnonymizer.LogType.html" title="enum in org.apache.hadoop.contrib.failmon">OfflineAnonymizer.LogType</A></B></TD>
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