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Revision 1.1, Mon Aug 7 22:08:16 2000 UTC (17 years, 2 months ago) by xfs
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Add ols presentation

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<title>File I/O</title>
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<body text=#000000 bgcolor=#FFFFFF link=#000080 vlink=#800000 alink=#000080>
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<a href="text0.htm">First page</a> <a href="text27.htm">Back</a> <a href="text29.htm">Continue</a> <a href="text32.htm">Last page</a> <a href="ols-xfs.htm">Summary</a> <a href="img28.htm">Graphics</a></center><br>
<h1><b>Pagebuf Based File I/O</b></h1><p>
<ul><li><h2><b>Extent based allocator interface</b></h2>
<li><h2><b>Support for delayed allocate pages</b></h2>
<ul><li><b>Disk blocks not assigned or written to disk until <i>pressured</i> to do so</b>
<ul><li>Periodic Page Cleaner
<li>Memory Pressure
</ul></ul><li><h2><b>Clustered I/O</b></h2>
<ul><li><b>Adjacent pages processed in single I/O  request</b>
</ul></ul></body>
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