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diff --git a/bdb/docs/ref/log/limits.html b/bdb/docs/ref/log/limits.html deleted file mode 100644 index d34e5a81339..00000000000 --- a/bdb/docs/ref/log/limits.html +++ /dev/null @@ -1,47 +0,0 @@ -<!--$Id: limits.so,v 10.23 2001/01/18 20:31:37 bostic Exp $--> -<!--Copyright 1997, 1998, 1999, 2000 by Sleepycat Software, Inc.--> -<!--All rights reserved.--> -<html> -<head> -<title>Berkeley DB Reference Guide: Log file limits</title> -<meta name="description" content="Berkeley DB: An embedded database programmatic toolkit."> -<meta name="keywords" content="embedded,database,programmatic,toolkit,b+tree,btree,hash,hashing,transaction,transactions,locking,logging,access method,access methods,java,C,C++"> -</head> -<body bgcolor=white> - <a name="2"><!--meow--></a> -<table><tr valign=top> -<td><h3><dl><dt>Berkeley DB Reference Guide:<dd>Logging Subsystem</dl></h3></td> -<td width="1%"><a href="../../ref/log/config.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/mp/intro.html"><img src="../../images/next.gif" alt="Next"></a> -</td></tr></table> -<p> -<h1 align=center>Log file limits</h1> -<p>Log file names and sizes impose a limit on how long databases may be -used in a Berkeley DB database environment. It is quite unlikely that an -application will reach this limit, however, if the limit is reached, -the Berkeley DB environment's databases must be dumped and reloaded. -<p>The log file name consists of <b>log.</b> followed by 10 digits, with -a maximum of 2,000,000,000 log files. Consider an application performing -6000 transactions per second, for 24 hours a day, logged into 10MB log -files, where each transaction is logging approximately 500 bytes of data. -The calculation: -<p><blockquote><pre>(10 * 2^20 * 2000000000) / (6000 * 500 * 365 * 60 * 60 * 24) = ~221</pre></blockquote> -<p>indicates that the system will run out of log file names in roughly 221 -years. -<p>There is no way to reset the log file name space in Berkeley DB. If your -application is reaching the end of its log file name space, you must: -<p><ol> -<p><li>Archive your databases as if to prepare for catastrophic failure (see -<a href="../../utility/db_archive.html">db_archive</a> for more information). -<p><li>Dump and re-load all your databases (see <a href="../../utility/db_dump.html">db_dump</a> and -<a href="../../utility/db_load.html">db_load</a> for more information). -<p><li>Remove all of the log files from the database environment. Note, this -is the only situation where all of the log files are removed from an -environment, in all other cases at least a single log file is -retained. -<p><li>Restart your application. -</ol> -<table><tr><td><br></td><td width="1%"><a href="../../ref/log/config.html"><img src="../../images/prev.gif" alt="Prev"></a><a href="../../ref/toc.html"><img src="../../images/ref.gif" alt="Ref"></a><a href="../../ref/mp/intro.html"><img src="../../images/next.gif" alt="Next"></a> -</td></tr></table> -<p><font size=1><a href="http://www.sleepycat.com">Copyright Sleepycat Software</a></font> -</body> -</html> |