124 lines
4.8 KiB
HTML
124 lines
4.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<HTML>
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<HEAD>
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<META HTTP-EQUIV="Content-Type" Content="text/html; charset=Windows-1252">
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<TITLE>HcDoDynamicCompression</TITLE>
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if (TempString.indexOf ("4.") >= 0){
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// Check to see if it is IE 4
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document.writeln('<link rel="stylesheet" type="text/css" href="/iishelp/common/coua.css">');
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}
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else {
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document.writeln('<link rel="stylesheet" type="text/css" href="/iishelp/common/cocss.css">');
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<SCRIPT LANGUAGE="VBScript">
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<!--
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Sub Window_OnLoad()
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Dim frmContents
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On Error Resume Next
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If Not Parent Is Nothing Then
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Set frmContents = Parent.Contents
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If Not frmContents Is Nothing Then
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frmContents.Window.TOCSynch_Click
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End If
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End If
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//--></SCRIPT><META NAME="DESCRIPTION" CONTENT="Internet Information Services reference information">
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<META HTTP-EQUIV="PICS-Label" CONTENT='(PICS-1.1 "<http://www.rsac.org/ratingsv01.html>" l comment "RSACi North America Server" by "inet@microsoft.com <mailto:inet@microsoft.com>" r (n 0 s 0 v 0 l 0))'>
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<META NAME="MS.LOCALE" CONTENT="EN-US">
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<META NAME="MS-IT-LOC" Content="Internet Information Services">
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</HEAD>
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<BODY BGCOLOR="#FFFFFF" TEXT="#000000">
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<H3><A NAME="_k2_hcdodynamiccompression"></A><SUP></SUP>HcDoDynamicCompression</H3>
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<P>This metabase property specifies whether responses to requests for dynamic content (such as scripts in ASP pages and ISAPI extensions) will be compressed. At the global level, <B>HcDoDynamicCompression</B> indicates that all dynamic content will be compressed as it is requested.</P>
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<P>For individual compression schemes, <B>HcDoDynamicCompression</B> specifies whether that particular compression scheme supports compression of dynamic content.</P>
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<P><span class=le><B>Important </B></span>Because dynamic content is by definition changeable, IIS does not cache compressed versions of dynamic output. Thus, if dynamic compression is enabled, each and every response to requests for dynamic content will have to be compressed each time. Dynamic compression consumes considerable CPU time and memory resources, and it should only be used on servers that have slow networks, but CPU power to spare.</P>
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<P>Because <B>HcDoDynamicCompression</B> is not inheritable, <B>HcDoDynamicCompression</B> must be set to TRUE at both the global level and the individual scheme level, in order for dynamic compression to actually be enabled for a server.</P>
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<P>If you change the value of this property at the individual compression scheme level, the Web service will need to be restarted for the change to take effect.</P>
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<TABLE border=0 cellpadding=5 cols=2 frame=box rules=all>
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<TR VALIGN="top">
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<TD width=50%>Data type</TD>
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<TD width=50%>Boolean</TD>
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</TR>
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<TR VALIGN="top">
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<TD width=50%>Default value</TD>
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<TD width=50%>FALSE</TD>
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</TR>
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<TR VALIGN="top">
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<TD width=50%>Inheritance</TD>
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<TD width=50%>Not inheritable</TD>
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</TR>
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</TABLE><BR>
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<H6>Access Locations</H6>
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<P>This property is accessible at the following locations:</P>
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<TABLE border=0 cellpadding=5 cols=2 frame=box rules=all>
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<TR VALIGN="top">
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<TD class=blue width=50%><B>Metabase Path</B></TD>
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<TD class=blue width=50%><B>Key Type</B></TD>
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</TR>
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<TR VALIGN="top">
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<TD width=50%>/LM/W3SVC/Filters/Compression/Parameters</TD>
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<TD width=50%><A HREF="/iishelp/iis/htm/asp/aore4mcz.htm"><B>IIsCompressionSchemes</B></A></TD>
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</TR>
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<TR VALIGN="top">
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<TD width=50%>/LM/W3SVC/Filters/Compression/<I>Scheme</I></TD>
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<TD width=50%><A HREF="/iishelp/iis/htm/asp/aore6sh1.htm"><B>IIsCompressionScheme</B></A></TD>
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</TR>
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</TABLE><BR>
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<H6>IIS Admin Base Object Information</H6>
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<P>The following table lists additional information required only for code that uses the IIS Admin Base Object.</P>
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<TABLE border=0 cellpadding=5 cols=2 frame=box rules=all>
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<TR VALIGN="top">
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<TD width=50%>Metabase identifier</TD>
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<TD width=50%><B>MD_HC_DO_DYNAMIC_COMPRESSION</B></TD>
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</TR>
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<TR VALIGN="top">
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<TD width=50%>Data type</TD>
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<TD width=50%><B>DWORD_METADATA</B></TD>
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</TR>
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<TR VALIGN="top">
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<TD width=50%>User type</TD>
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<TD width=50%><B>IIS_MD_UT_SERVER</B></TD>
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</TR>
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</TABLE><BR>
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<hr class="iis" size="1">
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<p align="center"><em><a href="../../../common/colegal.htm">© 1997-2001 Microsoft Corporation. All rights reserved.</a></em></p>
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</BODY>
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</HTML>
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