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<h2 title="Class DbTruncateLog" class="title">Class DbTruncateLog</h2>
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<pre>public class <span class="typeNameLabel">DbTruncateLog</span>
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extends java.lang.Object</pre>
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<div class="block">DbTruncateLog is a utility that lets the user truncate JE log starting at a
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specified file and offset to the last log file, inclusive. Generally used in
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replication systems for handling
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com.sleepycat.je.rep.RollbackProhibitedException, to permit the application
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to interject application specific handling. Should be used with caution.
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<p>
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The parameters for DbTruncateLog are provided through the
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RollbackProhibitedException instance, and the exception message. The goal is
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to truncate the JE log after a specified file number and file offset.
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DbTruncateLog will automatically delete all log entries after that specified
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log entry.
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<p>
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For example, suppose the JE log consists of these files:
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<pre>
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00000002.jdb
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0000000e.jdb
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0000000f.jdb
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00000010.jdb
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00000012.jdb
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0000001d.jdb
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0000001e.jdb
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0000001f.jdb
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</pre>
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And the log must be truncated at file 0x1d, offset 0x34567, users should use
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the following command:
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<ol>
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<li> DbTruncateLog -h <envDir> -f 0x1d -o 0x34567 </li>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/sleepycat/je/util/DbTruncateLog.html#DbTruncateLog--">DbTruncateLog</a></span>()</code> </td>
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/sleepycat/je/util/DbTruncateLog.html#main-java.lang.String:A-">main</a></span>(java.lang.String[] argv)</code>
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<div class="block">Usage:</div>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h4>DbTruncateLog</h4>
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<pre>public DbTruncateLog()</pre>
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<h4>main</h4>
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<pre>public static void main(java.lang.String[] argv)</pre>
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<div class="block">Usage:
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<pre>
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-h environmentDirectory
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-f file number. If hex, prefix with "0x"
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-o file offset byte. If hex, prefix with "0x"
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</pre>
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For example, to truncate a log to file 0xa, offset 0x1223:
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<pre>
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DbTruncateLog -h <environmentDir> -f 0xa -o 0x1223
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</pre></div>
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<div class="aboutLanguage"><b>Berkeley DB Java Edition</b><br><font size=\"-1\"> version 7.5.11</font>
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