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<title>mod_cache - Apache HTTP Server Version 2.2</title>
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<div id="page-header">
<p class="menu"><a href="../mod/">모듈</a> | <a href="../mod/directives.html">지시어들</a> | <a href="http://wiki.apache.org/httpd/FAQ">FAQ</a> | <a href="../glossary.html">용어</a> | <a href="../sitemap.html">사이트맵</a></p>
<p class="apache">Apache HTTP Server Version 2.2</p>
<img alt="" src="../images/feather.gif" /></div>
<div class="up"><a href="./"><img title="&lt;-" alt="&lt;-" src="../images/left.gif" /></a></div>
<div id="path">
<a href="http://www.apache.org/">Apache</a> &gt; <a href="http://httpd.apache.org/">HTTP Server</a> &gt; <a href="http://httpd.apache.org/docs/">Documentation</a> &gt; <a href="../">Version 2.2</a> &gt; <a href="./">모듈</a></div>
<div id="page-content">
<div class="retired"><h4>Please note</h4>
            <p> This document refers to a legacy release (<strong>2.2</strong>) of Apache httpd. The active release (<strong>2.4</strong>) is documented <a href="http://httpd.apache.org/docs/current">here</a>. If you have not already upgraded, please follow <a href="http://httpd.apache.org/docs/current/upgrading.html">this link</a> for more information.</p>
        <p>You may follow <a href="http://httpd.apache.org/docs/current/mod/mod_cache.html">this link</a> to go to the current version of this document.</p></div><div id="preamble"><h1>아파치 모듈 mod_cache</h1>
<div class="toplang">
<p><span>가능한 언어: </span><a href="../en/mod/mod_cache.html" hreflang="en" rel="alternate" title="English">&nbsp;en&nbsp;</a> |
<a href="../ja/mod/mod_cache.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
<a href="../ko/mod/mod_cache.html" title="Korean">&nbsp;ko&nbsp;</a></p>
</div>
<div class="outofdate">이 문서는 최신판 번역이 아닙니다.
            최근에 변경된 내용은 영어 문서를 참고하세요.</div>
<table class="module"><tr><th><a href="module-dict.html#Description">설명:</a></th><td>URI를 키로 사용하여 내용을 캐쉬한다.</td></tr>
<tr><th><a href="module-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">모듈명:</a></th><td>cache_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">소스파일:</a></th><td>mod_cache.c</td></tr></table>
<h3>요약</h3>

    <div class="warning">
      이 모듈은 실험적인 상태이다. 문서는 아직 작업중이다...
    </div>

    <p><code class="module"><a href="../mod/mod_cache.html">mod_cache</a></code>는 같은 컴퓨터에 있는 내용이나
    프록시된 내용을 캐쉬할 수 있는 <a href="http://www.ietf.org/rfc/rfc2616.txt">RFC 2616</a>
    호환 HTTP 내용캐쉬를 구현한다. <code class="module"><a href="../mod/mod_cache.html">mod_cache</a></code>를
    사용하려면 저장관리모듈(storage management module)이 필요하다.
    기본 아파치 배포본에는 두가지 저장관리모듈이 있다:</p>
    <dl>
    <dt><code class="module"><a href="../mod/mod_disk_cache.html">mod_disk_cache</a></code></dt>
    <dd>는 디스크기반 저장관리자를 구현한다.</dd>

    <dt><code class="module"><a href="../mod/mod_mem_cache.html">mod_mem_cache</a></code></dt>
    <dd>는 메모리기반 저장관리자를 구현한다.
    <code class="module"><a href="../mod/mod_mem_cache.html">mod_mem_cache</a></code>는 파일기술자를 캐쉬하거나
    힙(heap) 공간에 객체를 캐쉬하는 두가지 방식중 한가지 방법으로
    동작하도록 설정할 수 있다. <code class="module"><a href="../mod/mod_mem_cache.html">mod_mem_cache</a></code>는
    자신이 생성한 내용을 캐쉬하거나, (<dfn>역프록시(reverse proxy)</dfn>로
    알려진) <code class="directive"><a href="../mod/mod_proxy.html#proxypass">ProxyPass</a></code>를
    사용하여 <code class="module"><a href="../mod/mod_proxy.html">mod_proxy</a></code>를 위해 뒷단 서버내용을
    캐쉬할 수 있다.</dd>
    </dl>

    <p>내용을 URI를 토대로 만든 키로 캐쉬에 저장하고 가져온다.
    접근보호가 된 내용은 캐쉬하지않는다.</p>
</div>
<div id="quickview"><h3>주제</h3>
<ul id="topics">
<li><img alt="" src="../images/down.gif" /> <a href="#related">관련된 모듈과 지시어</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#sampleconf">설정예</a></li>
</ul><h3 class="directives">지시어들</h3>
<ul id="toc">
<li><img alt="" src="../images/down.gif" /> <a href="#cachedefaultexpire">CacheDefaultExpire</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cachedisable">CacheDisable</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cacheenable">CacheEnable</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cacheignorecachecontrol">CacheIgnoreCacheControl</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cacheignoreheaders">CacheIgnoreHeaders</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cacheignorenolastmod">CacheIgnoreNoLastMod</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cacheignorequerystring">CacheIgnoreQueryString</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cacheignoreurlsessionidentifiers">CacheIgnoreURLSessionIdentifiers</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cachelastmodifiedfactor">CacheLastModifiedFactor</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cachelock">CacheLock</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cachelockmaxage">CacheLockMaxAge</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cachelockpath">CacheLockPath</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cachemaxexpire">CacheMaxExpire</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cachestorenostore">CacheStoreNoStore</a></li>
<li><img alt="" src="../images/down.gif" /> <a href="#cachestoreprivate">CacheStorePrivate</a></li>
</ul>
<ul class="seealso"><li><a href="#comments_section">Comments</a></li></ul></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="related" id="related">관련된 모듈과 지시어</a></h2>
    <table class="related"><tr><th>관련된 모듈</th><th>관련된 지시어</th></tr><tr><td><ul><li><code class="module"><a href="../mod/mod_disk_cache.html">mod_disk_cache</a></code></li><li><code class="module"><a href="../mod/mod_mem_cache.html">mod_mem_cache</a></code></li></ul></td><td><ul><li><code class="directive"><a href="../mod/mod_disk_cache.html#cacheroot">CacheRoot</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachesize">CacheSize</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachegcinterval">CacheGcInterval</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachedirlevels">CacheDirLevels</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachedirlength">CacheDirLength</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cacheexpirycheck">CacheExpiryCheck</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cacheminfilesize">CacheMinFileSize</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachemaxfilesize">CacheMaxFileSize</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachetimemargin">CacheTimeMargin</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachegcdaily">CacheGcDaily</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachegcunused">CacheGcUnused</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachegcclean">CacheGcClean</a></code></li><li><code class="directive"><a href="../mod/mod_disk_cache.html#cachegcmemusage">CacheGcMemUsage</a></code></li><li><code class="directive"><a href="../mod/mod_mem_cache.html#mcachesize">MCacheSize</a></code></li><li><code class="directive"><a href="../mod/mod_mem_cache.html#mcachemaxobjectcount">MCacheMaxObjectCount</a></code></li><li><code class="directive"><a href="../mod/mod_mem_cache.html#mcacheminobjectsize">MCacheMinObjectSize</a></code></li><li><code class="directive"><a href="../mod/mod_mem_cache.html#mcachemaxobjectsize">MCacheMaxObjectSize</a></code></li><li><code class="directive"><a href="../mod/mod_mem_cache.html#mcacheremovalalgorithm">MCacheRemovalAlgorithm</a></code></li><li><code class="directive"><a href="../mod/mod_mem_cache.html#mcachemaxstreamingbuffer">MCacheMaxStreamingBuffer</a></code></li></ul></td></tr></table>
</div><div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="section">
<h2><a name="sampleconf" id="sampleconf">설정예</a></h2>
    <div class="example"><h3>Sample httpd.conf</h3><p><code>
      #<br />
      # 예제 캐쉬 설정<br />
      #<br />
      LoadModule cache_module modules/mod_cache.so<br />
      <br />
      &lt;IfModule mod_cache.c&gt;<br />
      <span class="indent">
        #LoadModule disk_cache_module modules/mod_disk_cache.so<br />
        &lt;IfModule mod_disk_cache.c&gt;<br />
        <span class="indent">
          CacheRoot c:/cacheroot<br />
          CacheSize 256<br />
          CacheEnable disk  /<br />
          CacheDirLevels 5<br />
          CacheDirLength 3<br />
        </span>
        &lt;/IfModule&gt; <br />
        <br />
        LoadModule mem_cache_module modules/mod_mem_cache.so<br />
        &lt;IfModule mod_mem_cache.c&gt;<br />
        <span class="indent">
          CacheEnable mem  /<br />
          MCacheSize 4096<br />
          MCacheMaxObjectCount 100<br />
          MCacheMinObjectSize 1<br />
          MCacheMaxObjectSize 2048<br />
        </span>
        &lt;/IfModule&gt;<br />
      </span>
      &lt;/IfModule&gt;
    </code></p></div>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheDefaultExpire" id="CacheDefaultExpire">CacheDefaultExpire</a> <a name="cachedefaultexpire" id="cachedefaultexpire">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>만기시간을 지정하지않은 문서를 캐쉬할 기본 기간.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheDefaultExpire <var>seconds</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheDefaultExpire 3600 (one hour)</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table>
    <p><code class="directive">CacheDefaultExpire</code> 지시어는 문서의
    만기시간과 최근수정시간이 없는 경우 문서를 캐쉬할 초단위
    기본 시간을 지정한다. <code class="directive">CacheMaxExpire</code>로
    지정한 값이 이 설정을 무시하지 <em>않는다</em>.</p>

    <div class="example"><p><code>
      CacheDefaultExpire 86400
    </code></p></div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheDisable" id="CacheDisable">CacheDisable</a> <a name="cachedisable" id="cachedisable">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>특정 URL을 캐쉬하지 않는다</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheDisable <var> url-string</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table>
    <p><code class="directive">CacheDisable</code> 지시어를 사용하면
    <code class="module"><a href="../mod/mod_cache.html">mod_cache</a></code>가 <var>url-string</var> 이하의
    url들을 캐쉬하지 <em>않는다</em>.</p>

    <div class="example"><h3>예제</h3><p><code>
      CacheDisable /local_files
    </code></p></div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheEnable" id="CacheEnable">CacheEnable</a> <a name="cacheenable" id="cacheenable">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>지정한 저장관리자를 사용하여 지정한 URL을 캐쉬한다</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheEnable <var>cache_type</var> <var>url-string</var></code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table>
    <p><code class="directive">CacheEnable</code> 지시어를 사용하면
    <code class="module"><a href="../mod/mod_cache.html">mod_cache</a></code>가 <var>url-string</var> 이하
    url들을 캐쉬한다. 캐쉬 저장관리자는 <var>cache_type</var>
    아규먼트로 지정한다. <var>cache_type</var> <code>mem</code>은
    <code class="module"><a href="../mod/mod_mem_cache.html">mod_mem_cache</a></code>가 구현하는 메모리기반
    저장관리자를 사용한다. <var>cache_type</var> <code>disk</code>는
    <code class="module"><a href="../mod/mod_disk_cache.html">mod_disk_cache</a></code>가 구현하는 디스크기반
    저장관리자를 사용한다. <var>cache_type</var> <code>fd</code>는
    <code class="module"><a href="../mod/mod_mem_cache.html">mod_mem_cache</a></code>가 구현하는 파일기술자 캐쉬를
    사용한다.</p>
    <p>(아래 예와 같이) URL 공간이 다른
    <code class="directive">CacheEnable</code> 지시어와 겹치면 실제로
    한 저장관리자가 요청을 처리할때까지 두 저장관리자를 모두
    실행한다. 설정파일에서 <code class="directive">CacheEnable</code>
    지시어의 순서대로 저장관리자가 실행된다.</p>

    <div class="example"><p><code>
      CacheEnable  mem   /manual<br />
      CacheEnable  fd    /images<br />
      CacheEnable  disk  /<br />
    </code></p></div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheIgnoreCacheControl" id="CacheIgnoreCacheControl">CacheIgnoreCacheControl</a> <a name="cacheignorecachecontrol" id="cacheignorecachecontrol">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>클라이언트가 캐쉬하지않는 내용을 요청함을 무시한다.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheIgnoreCacheControl On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheIgnoreCacheControl Off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table>
    <p>보통 no-cache나 no-store 헤더값을 가진 문서는 캐쉬에
    저장하지않는다. <code class="directive">CacheIgnoreCacheControl</code>
    지시어는 이런 행동을 변경한다.
    <code class="directive">CacheIgnoreCacheControl</code> On을 사용하면
    서버는 문서에 no-cache나 no-store 헤더값이 있어도 문서를
    캐쉬한다. 인증이 필요한 문서는 <em>절대로</em> 캐쉬하지
    않는다.</p>

    <div class="example"><p><code>
      CacheIgnoreCacheControl On
    </code></p></div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheIgnoreHeaders" id="CacheIgnoreHeaders">CacheIgnoreHeaders</a> <a name="cacheignoreheaders" id="cacheignoreheaders">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>캐쉬에 지정한 HTTP 헤더(들)를 저장하지 않는다
</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheIgnoreHeaders <var>header-string</var> [<var>header-string</var>] ...</code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheIgnoreHeaders None</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table>
    <p>RFC 2616에 따르면 홉간(hop-by-hop) HTTP 헤더는 캐쉬에
    저장하지 않는다. 홉간 HTTP 헤더에는 다음과 같은 것이 있으며,
    <code class="directive">CacheIgnoreHeaders</code> 설정과 관계없이
    <em>어떤</em> 경우에도 캐쉬에 저장되지 않는다.</p>

    <ul>
      <li><code>Connection</code></li>
      <li><code>Keep-Alive</code></li>
      <li><code>Proxy-Authenticate</code></li>
      <li><code>Proxy-Authorization</code></li>
      <li><code>TE</code></li>
      <li><code>Trailers</code></li>
      <li><code>Transfer-Encoding</code></li>
      <li><code>Upgrade</code></li>
    </ul>

    <p><code class="directive">CacheIgnoreHeaders</code>는 캐쉬에 저장하면
    안되는 HTTP 헤더를 추가로 지정한다. 예를 들어, 쿠키(cookie)를
    캐쉬에 저장하면 안되는 경우가 있다.</p>

    <p><code class="directive">CacheIgnoreHeaders</code>는 캐쉬에 저장하지
    않을 HTTP 헤더들을 공백으로 구분한 목록을 받는다. (RFC 2616에
    따라) 캐쉬에 홉간 헤더만 저장하지 않으려면,
    <code class="directive">CacheIgnoreHeaders</code>를
    <code>None</code>으로 설정한다.</p>

    <div class="example"><h3>예제 1</h3><p><code>
      CacheIgnoreHeaders Set-Cookie
    </code></p></div>

    <div class="example"><h3>예제 2</h3><p><code>
      CacheIgnoreHeaders None
    </code></p></div>

    <div class="warning"><h3>경고:</h3>
      <code class="directive">CacheIgnoreHeaders</code> 설정을 사용하여
      <code>Expires</code> 같이 캐쉬 관리에 필요한 헤더를 저장하지
      않으면, mod_cache는 비정상적으로 동작한다.
    </div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheIgnoreNoLastMod" id="CacheIgnoreNoLastMod">CacheIgnoreNoLastMod</a> <a name="cacheignorenolastmod" id="cacheignorenolastmod">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>응답에 Last Modified 헤더가 없다는 사실을 무시한다.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheIgnoreNoLastMod On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheIgnoreNoLastMod Off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table>
    <p>보통 최근수정일이 없는 문서는 캐쉬하지 않는다. 어떤 경우
    최근수정일을 (예를 들어 <code class="module"><a href="../mod/mod_include.html">mod_include</a></code> 처리중에)
    빼거나 처음부터 없었을 수가 있다.
    <code class="directive">CacheIgnoreNoLastMod</code> 지시어는 최근수정일이
    없는 문서도 반드시 캐쉬하도록 만든다. 문서에 최근수정일과
    만기시간이 없는 경우 <code class="directive">CacheDefaultExpire</code>
    지시어로 지정한 값을 만기시간으로 사용한다.</p>

    <div class="example"><p><code>
      CacheIgnoreNoLastMod On
    </code></p></div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheIgnoreQueryString" id="CacheIgnoreQueryString">CacheIgnoreQueryString</a> <a name="cacheignorequerystring" id="cacheignorequerystring">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>Ignore query string when caching</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheIgnoreQueryString On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheIgnoreQueryString Off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">지원:</a></th><td>Available in Apache 2.2.6 and later</td></tr>
</table><p>The documentation for this directive has
            not been translated yet. Please have a look at the English
            version.</p></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheIgnoreURLSessionIdentifiers" id="CacheIgnoreURLSessionIdentifiers">CacheIgnoreURLSessionIdentifiers</a> <a name="cacheignoreurlsessionidentifiers" id="cacheignoreurlsessionidentifiers">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>Ignore defined session identifiers encoded in the URL when caching
</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheIgnoreURLSessionIdentifiers <var>identifier</var> [<var>identifier</var>] ...</code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheIgnoreURLSessionIdentifiers None</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table><p>The documentation for this directive has
            not been translated yet. Please have a look at the English
            version.</p></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheLastModifiedFactor" id="CacheLastModifiedFactor">CacheLastModifiedFactor</a> <a name="cachelastmodifiedfactor" id="cachelastmodifiedfactor">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>LastModified 시간으로 만기시간을 계산하는데 사용하는
계수.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheLastModifiedFactor <var>float</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheLastModifiedFactor 0.1</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table>
    <p>문서에 만기시간은 없지만 최근수정일이 있는 경우 최근수정일
    이후 지난 시간으로 만기시간을 계산한다.
    <code class="directive">CacheLastModifiedFactor</code> 지시어는
    만기시간을 계산하는 다음 공식에서 사용할 <var>factor</var>를
    지정한다:

    <code>expiry-period = time-since-last-modified-date * <var>factor</var>
    expiry-date = current-date + expiry-period</code>

    예를 들어, 문서가 10 시간 전에 마지막으로 수정되었고 <var>factor</var>가
    0.1이라면 만기기간은 10*01 = 1 시간이 된다. 현재 시간이
    3:00pm이라면 만기시간은 3:00pm + 1시간 = 4:00pm이다.

    만기기간이 <code class="directive">CacheMaxExpire</code> 보다 길다면
    <code class="directive">CacheMaxExpire</code>를 사용한다.</p>

    <div class="example"><p><code>
      CacheLastModifiedFactor 0.5
    </code></p></div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheLock" id="CacheLock">CacheLock</a> <a name="cachelock" id="cachelock">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>Enable the thundering herd lock.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheLock <var>on|off</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheLock off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
<tr><th><a href="directive-dict.html#Compatibility">지원:</a></th><td>Available in Apache 2.2.15 and later</td></tr>
</table><p>The documentation for this directive has
            not been translated yet. Please have a look at the English
            version.</p></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheLockMaxAge" id="CacheLockMaxAge">CacheLockMaxAge</a> <a name="cachelockmaxage" id="cachelockmaxage">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>Set the maximum possible age of a cache lock.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheLockMaxAge <var>integer</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheLockMaxAge 5</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table><p>The documentation for this directive has
            not been translated yet. Please have a look at the English
            version.</p></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheLockPath" id="CacheLockPath">CacheLockPath</a> <a name="cachelockpath" id="cachelockpath">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>Set the lock path directory.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheLockPath <var>directory</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheLockPath /tmp/mod_cache-lock</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table><p>The documentation for this directive has
            not been translated yet. Please have a look at the English
            version.</p></div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheMaxExpire" id="CacheMaxExpire">CacheMaxExpire</a> <a name="cachemaxexpire" id="cachemaxexpire">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>문서를 캐쉬하는 초단위 최대시간</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheMaxExpire <var>seconds</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheMaxExpire 86400 (하루)</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Experimental</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table>
    <p><code class="directive">CacheMaxExpire</code> 지시어는 실제 서버를
    검사하지않고 캐쉬가능한 HTTP 문서를 유지할 수 있는 초단위
    최대시간을 지정한다. 즉, 문서는 최대한 이 설정값만큼 오래되었다.
    문서가 만기시간을 지정하여도 이 최대값을 지킨다.</p>

    <div class="example"><p><code>
      CacheMaxExpire 604800
    </code></p></div>

</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheStoreNoStore" id="CacheStoreNoStore">CacheStoreNoStore</a> <a name="cachestorenostore" id="cachestorenostore">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>Attempt to cache requests or responses that have been marked as no-store.</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheStoreNoStore On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheStoreNoStore Off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table><p>The documentation for this directive has
            not been translated yet. Please have a look at the English
            version.</p><h3>참고</h3>
<ul>
<li><code class="directive"><a href="#cacheignorecachecontrol">CacheIgnoreCacheControl</a></code></li>
<li><code class="directive"><a href="#cachestoreprivate">CacheStorePrivate</a></code></li>
</ul>
</div>
<div class="top"><a href="#page-header"><img alt="top" src="../images/up.gif" /></a></div>
<div class="directive-section"><h2><a name="CacheStorePrivate" id="CacheStorePrivate">CacheStorePrivate</a> <a name="cachestoreprivate" id="cachestoreprivate">지시어</a></h2>
<table class="directive">
<tr><th><a href="directive-dict.html#Description">설명:</a></th><td>Attempt to cache responses that the server has marked as private</td></tr>
<tr><th><a href="directive-dict.html#Syntax">문법:</a></th><td><code>CacheStorePrivate On|Off</code></td></tr>
<tr><th><a href="directive-dict.html#Default">기본값:</a></th><td><code>CacheStorePrivate Off</code></td></tr>
<tr><th><a href="directive-dict.html#Context">사용장소:</a></th><td>주서버설정, 가상호스트</td></tr>
<tr><th><a href="directive-dict.html#Status">상태:</a></th><td>Extension</td></tr>
<tr><th><a href="directive-dict.html#Module">모듈:</a></th><td>mod_cache</td></tr>
</table><p>The documentation for this directive has
            not been translated yet. Please have a look at the English
            version.</p><h3>참고</h3>
<ul>
<li><code class="directive"><a href="#cacheignorecachecontrol">CacheIgnoreCacheControl</a></code></li>
<li><code class="directive"><a href="#cachestorenostore">CacheStoreNoStore</a></code></li>
</ul>
</div>
</div>
<div class="bottomlang">
<p><span>가능한 언어: </span><a href="../en/mod/mod_cache.html" hreflang="en" rel="alternate" title="English">&nbsp;en&nbsp;</a> |
<a href="../ja/mod/mod_cache.html" hreflang="ja" rel="alternate" title="Japanese">&nbsp;ja&nbsp;</a> |
<a href="../ko/mod/mod_cache.html" title="Korean">&nbsp;ko&nbsp;</a></p>
</div><div class="top"><a href="#page-header"><img src="../images/up.gif" alt="top" /></a></div><div class="section"><h2><a id="comments_section" name="comments_section">Comments</a></h2><div class="warning"><strong>Notice:</strong><br />This is not a Q&amp;A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our <a href="http://httpd.apache.org/lists.html">mailing lists</a>.</div>
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