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<title>ファイル記述åã®é™ç•Œ - Apache HTTP サームãƒãƒ¼ã‚¸ãƒ§ãƒ³ 2.4</title>
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<p class="apache">Apache HTTP サームãƒãƒ¼ã‚¸ãƒ§ãƒ³ 2.4</p>
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<a href="http://www.apache.org/">Apache</a> > <a href="http://httpd.apache.org/">HTTP サーãƒ</a> > <a href="http://httpd.apache.org/docs/">ドã‚ュメンテーション</a> > <a href="../">ãƒãƒ¼ã‚¸ãƒ§ãƒ³ 2.4</a> > <a href="./">ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆ</a></div><div id="page-content"><div id="preamble"><h1>ファイル記述åã®é™ç•Œ</h1>
<div class="toplang">
<p><span>翻訳済ã¿è¨€èªž: </span><a href="../en/vhosts/fd-limits.html" hreflang="en" rel="alternate" title="English"> en </a> |
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<div class="outofdate">ã“ã®æ—¥æœ¬èªžè¨³ã¯ã™ã§ã«å¤ããªã£ã¦ã„ã‚‹
å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚
最近更新ã•ã‚ŒãŸå†…容を見るã«ã¯è‹±èªžç‰ˆã‚’ã”覧下ã•ã„。
</div>
<p>ãŸãã•ã‚“ã®ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆã‚’é‹ç”¨ã™ã‚‹å ´åˆã€ã‚‚ã—ã€
å„ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆã”ã¨ã«ç•°ãªã‚‹ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ãŒæŒ‡å®šã—ã¦ã‚ã‚‹ã¨ã€
Apache ãŒãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°å (<cite>ファイルãƒãƒ³ãƒ‰ãƒ«</cite>ã¨ã‚‚呼ã°ã‚Œã¾ã™)
を使ã„切ã£ã¦ã—ã¾ã†ã“ã¨ãŒã‚ã‚Šã¾ã™ã€‚Apache ãŒä½¿ç”¨ã™ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«
記述åã®æ•°ã¯ã€å„エラーãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«ã¤ã 1 ã¤ã€ä»–ã®ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®
ディレクティブã«ã¤ã 1 ã¤ã€ã•ã‚‰ã«å†…部ã§ä½¿ç”¨ã™ã‚‹ 10 ã‹ã‚‰ 20ã€
ã®åˆè¨ˆã«ãªã‚Šã¾ã™ã€‚Unix オペレーティングシステムã§ã¯ãƒ—ãƒã‚»ã‚¹ã”ã¨ã«
使用å¯èƒ½ãªãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°åã®æ•°ã‚’制é™ã—ã¦ã„ã¾ã™ã€‚ãŸã„ã¦ã„ã®å ´åˆã¯ 64 ã§ã€
普通ã¯å¤§ããªå€¤ã®ãƒãƒ¼ãƒ‰ãƒªãƒŸãƒƒãƒˆã¾ã§å¢—ã‚„ã™ã“ã¨ãŒã§ãã¾ã™ã€‚</p>
<p>Apache ã¯å¿…è¦ã«å¿œã˜ã¦ä¸Šé™ã‚’拡大ã—よã†ã¨è©¦ã¿ã¾ã™ãŒã€
以下ã®ã‚ˆã†ãªå ´åˆã«ã¯ã†ã¾ãã„ã‹ãªã„ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。</p>
<ol>
<li>利用ã—ã¦ã„るシステム㧠<code>setrlimit()</code>
システムコールãŒæä¾›ã•ã‚Œã¦ã„ãªã„。</li>
<li>システム上㧠<code>setrlimit</code>(RLIMIT_NOFILE) ãŒå‹•ä½œã—ãªã„
(ãŸã¨ãˆã° Solaris 2.3 ã®ã‚ˆã†ã«)。</li>
<li>è¦æ±‚ã•ã‚Œã‚‹ãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°åã®æ•°ãŒ
ãƒãƒ¼ãƒ‰ãƒªãƒŸãƒƒãƒˆã‚’超ãˆã¦ã—ã¾ã†ã€‚</li>
<li>システムã«ãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°åã«é–¢ã—ã¦åˆ¥ã®åˆ¶é™ãŒå˜åœ¨ã—ã¦ã—ã¾ã£ã¦ã„る。
ãŸã¨ãˆã°ã€stdio ストリームã§ã¯ãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°åã‚’ 256 以上使ãˆãªã„
(Solaris 2)ã€ãªã©ã€‚</li>
</ol>
<p>å•é¡ŒãŒç™ºç”Ÿã—ãŸæ™‚ã«å–り得る対処方法ã¯æ¬¡ã®ã¨ãŠã‚Š:</p>
<ul>
<li>ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®æ•°ã‚’減らã™ã€‚<code class="directive"><a href="../mod/core.html#virtualhost"><VirtualHost></a></code>
セクションã§ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’指定ã›ãšã€ãƒ¡ã‚¤ãƒ³ã®ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«ã®ã¿è¨˜éŒ²ã™ã‚‹ã€‚
(ã“ã‚Œã«é–¢ã™ã‚‹è©³ã—ã„æƒ…å ±ã¯ä»¥ä¸‹ã®<a href="#splitlogs">ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®åˆ†å‰²</a>ã‚’èªã‚“ã§ãã ã•ã„。)</li>
<li>
ã‚‚ã—ã€å‰è¿°ã® 1 ã¾ãŸã¯ 2 ã®å ´åˆã§ã‚ã‚Œã°ã€
Apache ã‚’èµ·å‹•ã™ã‚‹å‰ã«ãƒ•ã‚¡ã‚¤ãƒ«è¨˜è¿°åを増やã—ã¾ã™ã€‚
ãŸã¨ãˆã°æ¬¡ã®ã‚ˆã†ãªã‚¹ã‚¯ãƒªãƒ—トを使ã„ã¾ã™ã€‚
<div class="example"><p><code>
<code>#!/bin/sh<br />
ulimit -S -n 100<br />
exec httpd</code>
</code></p></div>
</li>
</ul>
</div>
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<div class="section">
<h2><a name="splitlogs" id="splitlogs">ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®åˆ†å‰²</a></h2>
<p>複数ã®ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆã®ãƒã‚°ã‚’åŒã˜ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«åŽé›†ã—よã†ã¨ã—ã¦ã„ã‚‹ã¨ãã«ã¯ã€
å„ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆã«ã¤ã„ã¦çµ±è¨ˆçš„ãªè§£æžã‚’実行ã™ã‚‹ãŸã‚ã«å¾Œã§ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’
分割ã—ãŸããªã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“。ã“ã‚Œã¯ä»¥ä¸‹ã®ã‚ˆã†ã«ã—ã¦å®Ÿç¾ã§ãã¾ã™ã€‚</p>
<p>ã¾ãšã€ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆã®æƒ…å ±ã‚’ãƒã‚°ã®ã‚¨ãƒ³ãƒˆãƒªã«è¿½åŠ ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚
ã“れ㯠<code class="directive"><a href="../mod/mod_log_config.html#logformat">LogFormat</a></code>
ディレクティブ㮠<code>%v</code> 変数を使ã†ã“ã¨ã§ã§ãã¾ã™ã€‚
ã“れをãƒã‚°ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆæ–‡å—列ã®å…ˆé ã«è¿½åŠ ã—ã¾ã™:</p>
<div class="example"><p><code>
LogFormat "%v %h %l %u %t \"%r\" %>s %b" vhost<br />
CustomLog logs/multiple_vhost_log vhost
</code></p></div>
<p>ã“れ㯠common log format ã®ãƒã‚°ã‚’作æˆã—ã¾ã™ãŒã€ãã‚Œãžã‚Œã®è¡Œã®å…ˆé ã«
æ£è¦åŒ–ã•ã‚ŒãŸãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆã®åå‰
(<code class="directive"><a href="../mod/core.html#servername">ServerName</a></code>
ディレクティブã«æ›¸ã‹ã‚Œã¦ã„ã‚‹ã‚‚ã®) ãŒä»˜åŠ ã•ã‚Œã¾ã™ã€‚
(ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®ã‚«ã‚¹ã‚¿ãƒžã‚¤ã‚ºã®è©³ç´°ã«ã¤ã„ã¦ã¯ <a href="../mod/mod_log_config.html#formats">Custom Log Formats</a> ã‚’
èªã‚“ã§ãã ã•ã„。)</p>
<p>ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã‚’å„部分 (ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆæ¯Žã« 1 ファイル) ã«åˆ†ã‘ãŸã„ã¨ãã¯ã€
<code><a href="../programs/other.html">split-logfile</a></code>
を使ã£ã¦è¡Œãªã†ã“ã¨ãŒã§ãã¾ã™ã€‚プãƒã‚°ãƒ©ãƒ 㯠Apache é…布ã®
<code>support</code> ディレクトリã«ã‚ã‚Šã¾ã™ã€‚</p>
<p>以下ã®ã‚ˆã†ãªã‚³ãƒžãƒ³ãƒ‰ã§ã“ã®ãƒ—ãƒã‚°ãƒ©ãƒ を実行ã—ã¾ã™:</p>
<div class="example"><p><code>
split-logfile < /logs/multiple_vhost_log
</code></p></div>
<p>ã“ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆã®ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã®åå‰ã¨ã¨ã‚‚ã«å®Ÿè¡Œã•ã‚Œã€
ãƒã‚°ãƒ•ã‚¡ã‚¤ãƒ«ã«ç¾ã‚Œã‚‹ãã‚Œãžã‚Œã®ãƒãƒ¼ãƒãƒ£ãƒ«ãƒ›ã‚¹ãƒˆæ¯Žã«ä¸€ã¤ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’作æˆã—ã¾ã™ã€‚
ãã‚Œãžã‚Œã®ãƒ•ã‚¡ã‚¤ãƒ«ã¯ <code>ホストå.log</code> ã¨ã„ã†åå‰ã«ãªã‚Šã¾ã™ã€‚</p>
</div></div>
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