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<title>DbDeleteReservedFiles (Oracle - Berkeley DB Java Edition API)</title>
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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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<h2 title="Class DbDeleteReservedFiles" class="title">Class DbDeleteReservedFiles</h2>
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<pre>public class <span class="typeNameLabel">DbDeleteReservedFiles</span>
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extends java.lang.Object</pre>
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<div class="block">Command line utility used to delete reserved files explicitly, when
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attempting to recover from a disk-full condition.
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<p>When using HA (<a href="../../../../com/sleepycat/je/rep/ReplicatedEnvironment.html" title="class in com.sleepycat.je.rep"><code>ReplicatedEnvironment</code></a>),
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cleaned files are <a href="../../../../com/sleepycat/je/EnvironmentStats.html#getReservedLogSize--"><code>reserved</code></a>
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and are not deleted until a disk limit is approached. Normally the
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<a href="../../../../com/sleepycat/je/EnvironmentConfig.html#MAX_DISK"><code>EnvironmentConfig.MAX_DISK</code></a> and
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<a href="../../../../com/sleepycat/je/EnvironmentConfig.html#FREE_DISK"><code>EnvironmentConfig.FREE_DISK</code></a> limits will
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cause the reserved files to be deleted automatically to prevent
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filling the disk. However, if these limits are both set to zero, or disk
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space is used outside of the JE environment, it is possible for the disk
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to become full. Manual recovery from this situation may require deleting
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the reserved files without opening the JE Environment using the
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application. This situation is not expected, but the <code>DbDeleteReservedFiles</code> utility provides a safeguard.</p>
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<p>Depending on the arguments given, the utility will either delete or list
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the oldest reserved files. The files deleted or listed are those that can
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be deleted in order to free the amount specified. Note that size deleted
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may be larger than the specified size, because only whole files can be
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deleted.</p>
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<pre>
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java { com.sleepycat.je.util.DbDeleteReservedFiles |
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-jar je-<version>.jar DbDeleteReservedFiles }
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-h <dir> # environment home directory
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-s <size in MB> # desired size to be freed in MB
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[-l] # list reserved files/sizes, do not delete
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[-V] # print JE version number
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</pre>
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<p>When the application uses custom key comparators, be sure to add the
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jars or classes to the classpath that contain the application's comparator
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classes.</p>
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<p>This utility opens the JE Environment in read-only mode in order to
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determine which files are reserved. To speed up this process, specify
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a large Java heap size when running the utility; 32 GB is recommended.</p></div>
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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/DbDeleteReservedFiles.html#main-java.lang.String:A-">main</a></span>(java.lang.String[] args)</code> </td>
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<h4>main</h4>
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<pre>public static void main(java.lang.String[] args)</pre>
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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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