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<title>Netscape Directory Server Help: Database Performance Counter</title>
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<span class="product">Netscape Directory Server</span>
<span class="booktitle">Console Help</span>
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<blockquote>
<br />
<p class="h1">
<a name="28972"> </a>
<a name="Database Performance Counter"> </a>
Database Performance Counter
</p>
<p class="text">
<a name="28974"> </a>
Use this tab to monitor the current activities of a particular database or database link.
</p>
<p class="text">
<a name="28975"> </a>
<b>Database. </b>Identifies the type of database being monitored.
</p>
<p class="text">
<a name="28976"> </a>
<b>Configuration DN. </b>Identifies the distinguished name you can use to obtain these results using the <code>ldapsearch</code> command-line utility.
</p>
<p class="text">
<a name="28977"> </a>
<b>Refresh. </b>Click refresh to update the current display.
</p>
<p class="text">
<a name="28978"> </a>
<b>Continuous refresh. </b>Select this checkbox to continuously update the information display.
</p>
<p class="text">
<a name="28979"> </a>
<b>Summary Information. </b>This table provides the following information:
</p>
<ul>
<li>
Read-only status. Indicates whether the database is currently in read-only mode.
<a name="28980"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
<li>
Entry cache hits. Indicates the number of times the server could process a search request by obtaining data from the cache rather than by going to the disk.
<a name="28981"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
<li>
Entry cache tries. The total number of search operations performed against your server since server startup.
<a name="28982"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
<li>
Entry cache hit ratio. The ratio of entry cache tries to successful entry cache lookups. The closer this number is to 100% the better.
<a name="28983"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
<li>
Current size of entry cache (in bytes). Total number of bytes currently used by the entry cache.
<a name="28984"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
<li>
Maximum size of entry cache (in bytes). Maximum number of bytes available to the entry cache.
<a name="28985"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
</ul>
<p class="text">
<a name="28986"> </a>
<b>Index Information. </b>These tables provide information about the indexes you use for each database. The tables contain the following information:
</p>
<ul>
<li>
Cache hits. Indicates the number of times the server could process a request by obtaining data from the cache rather than by going to the disk.
<a name="28987"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
<li>
Cache misses. Number of times the cache does not contain the information being requested by the client application.
<a name="28988"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
<li>
Pages read in. Number of pages read from disk into the database cache.
<a name="28989"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
<li>
Pages written out. Number of pages written from the cache back to disk.
<a name="28990"> </a>
<img src="/manual/en/slapd/help/pixel.gif" align="top" height="22" alt="" />
</li>
</ul>
<p class="h2">
<a name="28991"> </a>
<a name="See also"> </a>
See also
</p>
<p class="text">
<a name="28997"> </a>
<a href="../en/slapd/ag/dsstats.htm#1028885">Monitoring Database Activity From the Server Console</a>
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<p class="copy">© 2001 Sun Microsystems, Inc. Portions copyright 1999, 2002-2003 Netscape Communications Corporation. All rights reserved.</p>
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<p class="update">Last Updated <b>April 29, 2003</b></p>
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