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branches/samba-3.2.x/docs/htmldocs/manpages/vfs_cacheprime.8.html
r202 r204 1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>vfs_cacheprime</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.73.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"><a name="vfs_cacheprime.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>vfs_cacheprime — prime the kernel file data cache</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">vfs objects = cacheprime</code></p></div></div><div class="refsect1" lang="en"><a name="id251 6089"></a><h2>DESCRIPTION</h2><p>This VFS module is part of the1 <html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>vfs_cacheprime</title><link rel="stylesheet" href="../samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.73.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="refentry" lang="en"><a name="vfs_cacheprime.8"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>vfs_cacheprime — prime the kernel file data cache</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="literal">vfs objects = cacheprime</code></p></div></div><div class="refsect1" lang="en"><a name="id251"></a><h2>DESCRIPTION</h2><p>This VFS module is part of the 2 2 <a class="citerefentry" href="samba.7.html"><span class="citerefentry"><span class="refentrytitle">samba</span>(7)</span></a> suite.</p><p>The <code class="literal">vfs_cacheprime</code> VFS module reads chunks 3 3 of file data near the range requested by clients in order to … … 8 8 on boundaries that are a multiple of this size. Each range of 9 9 the file data is primed at most once during the time the client 10 has the file open. </p><p>This module is stackable.</p></div><div class="refsect1" lang="en"><a name="id24 79175"></a><h2>OPTIONS</h2><div class="variablelist"><dl><dt><span class="term">cacheprime:rsize = BYTES</span></dt><dd><p>The number of bytes with which to prime11 the kernel data cache.</p><p>The following suffixes may be applied to BYTES:</p><div class="itemizedlist"><ul type="disc"><li><p><code class="literal">K</code> - BYTES is a number of kilobytes</p></li><li><p><code class="literal">M</code> - BYTES is a number of megabytes</p></li><li><p><code class="literal">G</code> - BYTES is a number of gigabytes</p></li></ul></div></dd></dl></div></div><div class="refsect1" lang="en"><a name="id24 79234"></a><h2>EXAMPLES</h2><p>For a hypothetical disk array, it is necessary to ensure10 has the file open. </p><p>This module is stackable.</p></div><div class="refsect1" lang="en"><a name="id24"></a><h2>OPTIONS</h2><div class="variablelist"><dl><dt><span class="term">cacheprime:rsize = BYTES</span></dt><dd><p>The number of bytes with which to prime 11 the kernel data cache.</p><p>The following suffixes may be applied to BYTES:</p><div class="itemizedlist"><ul type="disc"><li><p><code class="literal">K</code> - BYTES is a number of kilobytes</p></li><li><p><code class="literal">M</code> - BYTES is a number of megabytes</p></li><li><p><code class="literal">G</code> - BYTES is a number of gigabytes</p></li></ul></div></dd></dl></div></div><div class="refsect1" lang="en"><a name="id24"></a><h2>EXAMPLES</h2><p>For a hypothetical disk array, it is necessary to ensure 12 12 that all read operations are of size 1 megabyte (1048576 bytes), 13 13 and aligned on 1 megabyte boundaries: … … 16 16 <a class="link" href="smb.conf.5.html#VFSOBJECTS">vfs objects = cacheprime</a> 17 17 <a class="link" href="smb.conf.5.html#CACHEPRIME:RSIZE">cacheprime:rsize = 1M</a> 18 </pre></div><div class="refsect1" lang="en"><a name="id24 79387"></a><h2>CAVEATS</h2><p><code class="literal">cacheprime</code> is not a a substitute for18 </pre></div><div class="refsect1" lang="en"><a name="id24"></a><h2>CAVEATS</h2><p><code class="literal">cacheprime</code> is not a a substitute for 19 19 a general-purpose readahead mechanism. It is intended for use 20 20 only in very specific environments where disk operations must 21 21 be aligned and sized to known values (as much as that is possible). 22 </p></div><div class="refsect1" lang="en"><a name="id24 79405"></a><h2>VERSION</h2><p>This man page is correct for version 3.0.25 of the Samba suite.23 </p></div><div class="refsect1" lang="en"><a name="id24 79416"></a><h2>AUTHOR</h2><p>The original Samba software and related utilities22 </p></div><div class="refsect1" lang="en"><a name="id24"></a><h2>VERSION</h2><p>This man page is correct for version 3.0.25 of the Samba suite. 23 </p></div><div class="refsect1" lang="en"><a name="id24"></a><h2>AUTHOR</h2><p>The original Samba software and related utilities 24 24 were created by Andrew Tridgell. Samba is now developed 25 25 by the Samba Team as an Open Source project similar
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