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| <manualpage metafile="stopping.xml.meta"> |
| |
| <title>Áß´Ü°ú Àç½ÃÀÛ</title> |
| |
| <summary> |
| <p>ÀÌ ¹®¼´Â À¯´Ð½º·ù ½Ã½ºÅÛ¿¡¼ ¾ÆÆÄÄ¡¸¦ Áß´ÜÇÏ°í Àç½ÃÀÛÇÏ´Â |
| ³»¿ëÀ» ´ã°íÀÖ´Ù. À©µµ¿ìÁî NT, 2000, XP »ç¿ëÀÚ´Â <a |
| href="platform/windows.html#winsvc">¼ºñ½º·Î ¾ÆÆÄÄ¡ |
| ½ÇÇàÇϱâ</a>¿¡¼, À©µµ¿ìÁî 9x¿Í ME »ç¿ëÀÚ´Â <a |
| href="platform/windows.html#wincons">ÄÝ¼Ö ÇÁ·Î±×·¥À¸·Î |
| ¾ÆÆÄÄ¡ ½ÇÇàÇϱâ</a>¿¡¼ Ç÷¡Æûº° ¾ÆÆÄÄ¡ Á¶ÀÛ¹ýÀ» ¾Ë ¼ö ÀÖ´Ù.</p> |
| </summary> |
| |
| <seealso><a href="programs/httpd.html">httpd</a></seealso> |
| <seealso><a href="programs/apachectl.html">apachectl</a></seealso> |
| |
| <section id="introduction"><title>¼Ò°³</title> |
| |
| <p>¾ÆÆÄÄ¡¸¦ Áß´ÜÇÏ°í Àç½ÃÀÛÇÏ·Á¸é ½ÇÇàÇÏ°í ÀÖ´Â |
| <code>httpd</code> ÇÁ·Î¼¼½º¿¡ ½Ã±×³ÎÀ» º¸³»¾ß ÇÑ´Ù. ½Ã±×³ÎÀ» |
| º¸³»´Â ¹æ¹ýÀº µÎ°¡Áö´Ù. Çϳª´Â À¯´Ð½º <code>kill</code> |
| ¸í·É¾î¸¦ »ç¿ëÇÏ¿© ÇÁ·Î¼¼½º¿¡ Á÷Á¢ ½Ã±×³ÎÀ» º¸³»´Â ¹æ¹ýÀÌ´Ù. |
| ½Ã½ºÅÛ¿¡ ¸¹Àº <code>httpd</code>°¡ ½ÇÇàµÇÁö¸¸, <directive |
| module="mpm_common">PidFile</directive>¿¡ pid°¡ ±â·ÏµÈ ºÎ¸ð¿Ü¿¡ |
| ´Ù¸¥ ÇÁ·Î¼¼½º¿¡ ½Ã±×³Î(signal)À» º¸³»¸é ¾ÈµÈ´Ù. Áï, ºÎ¸ðÀÌ¿Ü¿¡ |
| ´Ù¸¥ ÇÁ·Î¼¼½º¿¡ ½Ã±×³ÎÀ» º¸³¾ ÇÊ¿ä°¡ ¾ø´Ù´Â ¸»ÀÌ´Ù. ºÎ¸ð¿¡°Ô |
| º¸³¾ ¼ö ÀÖ´Â ½Ã±×³ÎÀº ¼¼°¡Áö·Î, ÀÌÁ¦ ¼³¸íÇÒ <code><a |
| href="#term">TERM</a></code>, <code><a |
| href="#hup">HUP</a></code>, <code><a |
| href="#graceful">USR1</a></code>ÀÌ´Ù.</p> |
| |
| <p>´ÙÀ½°ú °°ÀÌ ºÎ¸ð¿¡°Ô ½Ã±×³ÎÀ» º¸³½´Ù:</p> |
| |
| <example>kill -TERM `cat /usr/local/apache2/logs/httpd.pid`</example> |
| |
| <p><code>httpd</code> ÇÁ·Î¼¼½º¿¡°Ô ½Ã±×³ÎÀ» º¸³»´Â ´Ù¸¥ ¹æ¹ýÀº |
| ¸í·ÉÇà ¿É¼Ç <code>-k</code>¸¦ »ç¿ëÇÏ´Â °ÍÀÌ´Ù. ¾Æ·¡¼ ¼³¸íÇÒ |
| <code>stop</code>, <code>restart</code>, <code>graceful</code>˼ |
| <a href="programs/httpd.html">httpd</a> ½ÇÇàÆÄÀÏÀÇ ¾Æ±Ô¸ÕÆ®µéÀÌ´Ù. |
| ±×·¯³ª ÀÌ ¾Æ±Ô¸ÕÆ®µé·Î <code>httpd</code>¸¦ ½ÇÇàÇÏ´Â, <a |
| href="programs/apachectl.html">apachectl</a> ½ºÅ©¸³Æ®¸¦ |
| »ç¿ëÇÏ±æ ±ÇÇÑ´Ù.</p> |
| |
| <p><code>httpd</code>¿¡ ½Ã±×³ÎÀ» º¸³½ÈÄ, ´ÙÀ½ ¸í·É¾î·Î |
| ÁøÇà»óȲÀ» ¾Ë ¼ö ÀÖ´Ù:</p> |
| |
| <example>tail -f /usr/local/apache2/logs/error_log</example> |
| |
| <p>À§ ¿¹¸¦ ´ç½ÅÀÇ <directive |
| module="core">ServerRoot</directive>¿Í <directive |
| module="mpm_common">PidFile</directive> ¼³Á¤¿¡ ¾Ë¸Â°Ô ¼öÁ¤Ç϶ó.</p> |
| </section> |
| |
| <section id="term"><title>´çÀå Áß´Ü</title> |
| |
| <dl><dt>½Ã±×³Î: TERM</dt> |
| <dd><code>apachectl -k stop</code></dd> |
| </dl> |
| |
| <p><code>TERM</code>À̳ª <code>stop</code> ½Ã±×³ÎÀ» ºÎ¸ð¿¡°Ô |
| º¸³»¸é Áï½Ã ¸ðµç ÀÚ½ÄÀ» Á×ÀδÙ. ÀÚ½ÄÀ» ¿ÏÀüÈ÷ Á×À̴µ¥´Â |
| ¸î ÃÊ°¡ °É¸± ¼ö ÀÖ´Ù. ±×·±ÈÄ ºÎ¸ð°¡ Á¾·áÇÑ´Ù. ó¸®ÁßÀÎ ¿äûÀº |
| Áߴܵǰí, ´õ ÀÌ»ó ¿äûÀ» ¹ÞÁö¾Ê´Â´Ù.</p> |
| </section> |
| |
| <section id="graceful"><title>Á¡ÀÝÀº Àç½ÃÀÛ</title> |
| |
| <dl><dt>½Ã±×³Î: USR1</dt> |
| <dd><code>apachectl -k graceful</code></dd> |
| </dl> |
| |
| <p><code>USR1</code>À̳ª <code>graceful</code> ½Ã±×³ÎÀ» |
| ºÎ¸ð¿¡°Ô º¸³»¸é ºÎ¸ð ÇÁ·Î¼¼½º´Â Àڽĵ鿡°Ô ÇöÀç ¿äûÀ» |
| ó¸®ÇÑÈÄ Á¾·áÇ϶ó°í (ȤÀº ÇöÀç ¾Æ¹«°Íµµ ó¸®ÇÏÁö ¾Ê´Ù¸é |
| Áï½Ã Á¾·áÇ϶ó°í) <em>Á¶¾ðÇÑ´Ù</em>. ºÎ¸ð´Â ¼³Á¤ÆÄÀÏÀ» |
| ´Ù½ÃÀÐ°í ·Î±×ÆÄÀϵµ ´Ù½Ã ¿¬´Ù. ÀÚ½ÄÀÌ Á×À»¶§¸¶´Ù ºÎ¸ð´Â |
| Á×Àº ÀڽĴë½Å »õ·Î¿î ¼³Á¤ <em>¼¼´ë</em>¿¡ ±âÃÊÇÑ ÀÚ½ÄÀ» |
| ½ÇÇàÇÏ¿© Áï½Ã ¿äûÀ» ó¸®ÇÏ°Ô ÇÑ´Ù.</p> |
| |
| <note>Á¡ÀÝÀº Àç½ÃÀÛ(graceful restart)À¸·Î <code>USR1</code>À» |
| »ç¿ëÇÒ ¼ö ¾ø´Â Ç÷¡Æû¿¡¼´Â ´ë½Å (<code>WINCH</code>¿Í °°Àº) |
| ´Ù¸¥ ½Ã±×³ÎÀ» »ç¿ëÇÒ ¼ö ÀÖ´Ù. <code>apachectl graceful</code>Àº |
| Ç÷¡Æû¿¡ ¾Ë¸ÂÀº ½Ã±×³ÎÀ» º¸³½´Ù.</note> |
| |
| <p>Á¡ÀÝÀº Àç½ÃÀÛÀº Ç×»ó MPMÀÇ ÇÁ·Î¼¼½º Á¶Àý Áö½Ã¾î ¼³Á¤À» |
| °í·ÁÇÏ¿©, Àç½ÃÀÛµ¿¾È Ŭ¶óÀ̾ðÆ®¸¦ ¼ºñ½ºÇÏ´Â ÇÁ·Î¼¼½º³ª ¾²·¹µå°¡ |
| Àû´çÇÑ ¼ö¸¦ À¯ÁöÇϵµ·Ï ¼³°èµÇ¾ú´Ù. °Ô´Ù°¡ <directive |
| module="mpm_common">StartServers</directive>´Â, ÀÏÃÊ ÈÄ |
| ÃÖ¼ÒÇÑ StartServers¸¸Å »õ·Î¿î ÀÚ½ÄÀÌ ¾È¸¸µé¾îÁö¸é ÀÚ½ÄÀÌ |
| StartServers °³°¡ µÇµµ·Ï »õ·Î ¸¸µç´Ù. Áï, ÇÁ·Î±×·¥Àº ¼¹öÀÇ |
| ÇöÀç ºÎÇÏ¿¡ ¾Ë¸ÂÀº ÀÚ½ÄÀÇ °³¼ö¸¦ À¯ÁöÇϸç, |
| <directive>StartServers</directive> ÆĶó¹ÌÅÍ·Î ÁöÁ¤ÇÑ ´ç½ÅÀÇ |
| ±â´ë¸¦ Á¸ÁßÇÑ´Ù.</p> |
| |
| <p><module>mod_status</module> »ç¿ëÀÚ´Â <code>USR1</code>À» |
| ¹ÞÀ»¶§ ¼¹ö Åë°è°¡ 0ÀÌ µÇÁö <strong>¾ÊÀ½À»</strong> ºÃÀ» |
| °ÍÀÌ´Ù. ¼¹ö´Â »õ·Î¿î ¿äûÀ» (¿î¿µÃ¼Á¦´Â À̵éÀ» Å¥¿¡ ´ã¾Æ¼ |
| ¾î¶² °æ¿ì¿¡µµ ÀÒ¾î¹ö¸®Áö ¾Ê´Â´Ù) ó¸®ÇÏÁö ¸øÇÏ´Â ½Ã°£À» |
| ÃÖ¼ÒÈÇÏ°í ´ç½ÅÀÇ Æ©´× ÆĶó¹ÌÅ͸¦ Á¸ÁßÇϵµ·Ï ¸¸µé¾îÁ³´Ù. |
| À̸¦ À§ÇØ ¼¼´ë°£ ¸ðµç ÀÚ½ÄÀ» ±â·ÏÇÏ´Â <em>scoreboard</em>¸¦ |
| À¯ÁöÇÑ´Ù.</p> |
| |
| <p>status ¸ðµâÀº ¶ÇÇÑ Á¡ÀÝÀº Àç½ÃÀÛ Àü¿¡ ½ÃÀÛÇÏ¿© ¾ÆÁ÷µµ |
| ¿äûÀ» ó¸®ÇÏ°í ÀÖ´Â ÀÚ½ÄÀ» <code>G</code>·Î ¾Ë·ÁÁØ´Ù.</p> |
| |
| <p>ÇöÀç·Î´Â <code>USR1</code>À» »ç¿ëÇÏ´Â ·Î±×¼øȯ ½ºÅ©¸³Æ®°¡ |
| Àç½ÃÀÛÀü¿¡ ¸ðµç ÀÚ½ÄÀÌ ·Î±×ÀÛ¼ºÀ» ¸¶ÃÆ´ÂÁö ¾Ë ¼ö ÀÖ´Â |
| ¹æ¹ýÀÌ ¾ø´Ù. ¿ì¸®´Â <code>USR1</code> ½Ã±×³ÎÀ» º¸³»°í |
| Àû´çÇÑ ½Ã°£ÀÌ Áö³ÈÄ ÀÌÀü ·Î±×¸¦ ´Ù·çµµ·Ï Á¦¾ÈÇÑ´Ù. ¿¹¸¦ |
| µé¾î ³·Àº ´ë¿ªÆø »ç¿ëÀÚÀÇ °æ¿ì Á¢¼Ó ´ëºÎºÐÀÌ ¸¶Ä¡´Âµ¥ 10ºÐÀÌ |
| ¾È°É¸°´Ù¸é, ÀÌÀü ·Î±×¸¦ ´Ù·ç±âÀü¿¡ 15ºÐ ±â´Ù¸°´Ù.</p> |
| |
| <note>¼³Á¤ÆÄÀÏ¿¡ ¿À·ù°¡ ÀÖ´Ù¸é Àç½ÃÀ۽à ºÎ¸ð´Â Àç½ÃÀÛÇÏÁö |
| ¾Ê°í ¿À·ù¸¦ ³»¸ç Á¾·áÇÑ´Ù. ¶Ç, Á¡ÀÝÀº Àç½ÃÀÛÀÇ °æ¿ì Á¾·áÇÒ¶§ |
| ÀÚ½ÄÀÌ ½ÇÇàµÇµµ·Ï ³öµÐ´Ù. (ÀڽĵéÀº ÀÚ½ÅÀÇ ¸¶Áö¸· ¿äûÀ» |
| ó¸®ÇÏ°í "Á¡ÀÝ°Ô Á¾·áÇÑ´Ù".) ÀÌ´Â ¼¹ö¸¦ Àç½ÃÀÛÇÒ¶§ |
| ¹®Á¦°¡ µÈ´Ù. ¼¹ö´Â ÀÚ½ÅÀÌ ±â´Ù¸± Æ÷Æ®¿¡ ¿¬°áÇÏÁö ¸øÇÑ´Ù. |
| Àç½ÃÀÛÀü¿¡ <code>-t</code> ¸í·ÉÇà ¿É¼Ç(<a |
| href="programs/httpd.html">httpd</a> Âü°í)À¸·Î ¼³Á¤ÆÄÀÏ |
| ¹®¹ýÀ» °Ë»çÇÒ ¼ö ÀÖ´Ù. ±×·¯³ª ÀÌ·± °Ë»çµµ ¼¹ö°¡ ¿Ã¹Ù·Î |
| Àç½ÃÀÛÇÒÁö¸¦ º¸ÀåÇÏÁö ¸øÇÑ´Ù. ¼³Á¤ÆÄÀÏÀÇ ¹®¹ýÀÌ ¾Æ´Ñ Àǹ̸¦ |
| °Ë»çÇÏ·Á¸é root°¡ ¾Æ´Ñ »ç¿ëÀÚ·Î <code>httpd</code>¸¦ ½ÃÀÛÇغ¼ ¼ö ÀÖ´Ù. |
| root°¡ ¾Æ´Ï±â¶§¹®¿¡ (¾Æ´Ï¸é ÇöÀç ±× Æ÷Æ®¸¦ »ç¿ëÇÏ´Â |
| <code>httpd</code>°¡ ½ÇÇàµÇ±â¶§¹®¿¡) ¿À·ù°¡ ¾ø´Ù¸é ¼ÒÄÏ°ú |
| ·Î±×ÆÄÀÏÀ» ¿·Á°í ½ÃµµÇÏ´Â °úÁ¤¿¡¼ ½ÇÆÐÇÒ °ÍÀÌ´Ù. ´Ù¸¥ |
| ÀÌÀ¯¶§¹®¿¡ ½ÇÆÐÇÑ´Ù¸é ¾Æ¸¶µµ ¼³Á¤ÆÄÀÏ¿¡ ¿À·ù°¡ ÀÖÀ» °ÍÀÌ´Ù. |
| Á¡ÀÝÀº Àç½ÃÀÛÀ» ÇϱâÀü¿¡ ¿À·ù¸¦ °íÃľßÇÑ´Ù.</note> |
| </section> |
| |
| <section id="hup"><title>´çÀå Àç½ÃÀÛ</title> |
| |
| <dl><dt>½Ã±×³Î: HUP</dt> |
| <dd><code>apachectl -k restart</code></dd> |
| </dl> |
| |
| <p><code>HUP</code>À̳ª <code>restart</code> ½Ã±×³ÎÀ» |
| ºÎ¸ð¿¡°Ô º¸³»¸é <code>TERM</code>°ú °°ÀÌ ¸ðµç ÀÚ½ÄÀ» |
| Á×ÀÌÁö¸¸ ºÎ¸ð´Â Á¾·áÇÏÁö ¾Ê´Â´Ù. ºÎ¸ð´Â ¼³Á¤ÆÄÀÏÀ» ´Ù½ÃÀаí |
| ·Î±×ÆÄÀÏÀ» ´Ù½Ã ¿¬´Ù. ±×¸®°í »õ·Î¿î ÀڽĵéÀ» ¸¸µé°í ¼ºñ½º¸¦ |
| °è¼ÓÇÑ´Ù.</p> |
| |
| <p><module>mod_status</module> »ç¿ëÀÚ´Â <code>HUP</code>¸¦ |
| º¸³»¸é ¼¹ö Åë°è°¡ 0ÀÌ µÊÀ» ¾Ë ¼ö ÀÖ´Ù.</p> |
| |
| <note>¼³Á¤ÆÄÀÏ¿¡ ¿À·ù°¡ ÀÖ´Ù¸é Àç½ÃÀÛÀ» Çصµ ºÎ¸ð´Â Àç½ÃÀÛÇÏÁö |
| ¾Ê°í ¿À·ù¸¦ ³»¸ç Á¾·áÇÒ °ÍÀÌ´Ù. À̸¦ ÇÇÇÏ´Â ¹æ¹ýÀº À§¸¦ Âü°íÇ϶ó.</note> |
| </section> |
| |
| <section id="race"><title>ºÎ·Ï: ½Ã±×³Î°ú ·¹À̽º ÄÁµð¼Ç</title> |
| |
| <p>Apache 1.2b9 ÀÌÀü¿¡´Â Àç½ÃÀÛ°ú Á¾·á ½Ã±×³Î¿¡ °ü°èµÈ |
| <em>·¹À̽º ÄÁµð¼Ç(race condition)</em>ÀÌ ÀÖ¾ú´Ù. (·¹À̽º |
| ÄÁµð¼ÇÀº °£´ÜÇÑ ¼³¸íÇÏÀÚ¸é, ¾î¶² ÀÏÀÌ À߸øµÈ¶§ ÀϾ¼ |
| ±â´ëÇÑ´ë·Î µ¿ÀÛÇÏÁö ¾Ê´Â ½Ã°£¿¡ ¹Î°¨ÇÑ ¹®Á¦´Ù.) "¿Ã¹Ù¸¥" |
| ±â´ÉÀÌ ÀÖ´Â ¾ÆÅ°ÅØÃÄ¿¡¼ ¿ì¸®´Â ÀÌ·± ¹®Á¦¸¦ ÃÖ´ëÇÑ ÇØ°áÇß´Ù. |
| ±×·¯³ª ¾î¶² ¾ÆÅ°ÅØÃÄ¿¡´Â ¾ÆÁ÷µµ ·¹À̽º ÄÁµð¼ÇÀÌ Á¸ÀçÇÔÀ» |
| ÁÖÀÇÇ϶ó.</p> |
| |
| <p><directive module="mpm_common">ScoreBoardFile</directive>À» |
| µð½ºÅ©¿¡ ÀúÀåÇÏ´Â ¾ÆÅ°ÅØÃÄ´Â scoreboard¸¦ ¸Á°¡Æ®¸± °¡´É¼ºÀÌ |
| ÀÖ´Ù. ±×·¯¸é (<code>HUP</code>ÈÄ) "bind: Address already in use" |
| ȤÀº (<code>USR1</code> ÈÄ) "long lost child came home!"ÀÌ |
| ¹ß»ýÇÒ ¼ö ÀÖ´Ù. ÀüÀÚ´Â ½É°¢ÇÑ ¿À·ùÀÌ°í, ÈÄÀÚ´Â ´ÜÁö ¼¹ö°¡ |
| scoreboard slotÀ» ÀÒ°Ô ¸¸µç´Ù. ±×·¡¼ °Á¦ Àç½ÃÀÛÀ» ÁÙÀÌ°í |
| Á¡ÀÝÀº Àç½ÃÀÛÀ» »ç¿ëÇϱæ ÃßõÇÑ´Ù. ÀÌ ¹®Á¦´Â ÇØ°áÇϱ⠸ſì |
| Èûµé´Ù. ±×·¯³ª ´ÙÇàÈ÷µµ ´ëºÎºÐÀÇ ¾ÆÅ°ÅØÃÄ´Â scoreboard·Î ÆÄÀÏÀ» |
| »ç¿ëÇÏÁö ¾Ê´Â´Ù. ÆÄÀÏÀ» »ç¿ëÇÏ´Â ¾ÆÅ°ÅØÃĶó¸é <directive |
| module="mpm_common">ScoreBoardFile</directive> ¹®¼¸¦ Âü°íÇ϶ó.</p> |
| |
| <p>¸ðµç ¾ÆÅ°ÅØÃÄ¿¡´Â Áö¼ÓµÇ´Â HTTP ¿¬°á (KeepAlive)¿¡¼ |
| µÎ¹ø° ÀÌÈÄ ¿äûÀ» ó¸®ÇÏ´Â ÀڽĿ¡ ¾à°£ÀÇ ·¹À̽º ÄÁµð¼ÇÀÌ |
| ÀÖ´Ù. ÀÚ½ÄÀº ¿äûÁÙÀ» ÀÐÀº ÈÄ ¿äû Çì´õ¸¦ ÀбâÀü¿¡ Á¾·áÇÒ ¼ö |
| ÀÖ´Ù. ÀÌ ¹®Á¦´Â ³Ê¹« ´Ê°Ô ¹ß°ßÇÏ¿© 1.2 ¹öÀüÀÌ ³ª¿ÂÈÄ¿¡¾ß |
| ¼öÁ¤µÇ¾ú´Ù. ±×·¯³ª ³×Æ®¿÷ Áö¿¬À̳ª ¼¹ö ½Ã°£Á¦ÇѶ§¹®¿¡ KeepAlive |
| Ŭ¶óÀ̾ðÆ®´Â ÀÌ·± °æ¿ì¸¦ ¿¹»óÇؾßÇϱ⠶§¹®¿¡ ÀÌ·Ð»ó ¹®Á¦´Â |
| ¾ÈµÈ´Ù. ½ÇÁ¦·Î ¼¹ö¸¦ °Ë»çÇϱâÀ§ÇØ ÀÏÃÊ¿¡ 20¹ø Àç½ÃÀÛÇÏ´Â µ¿¾È |
| Ŭ¶óÀ̾ðÆ®°¡ ±úÁø ±×¸²À̳ª ºó ¹®¼¾øÀÌ »çÀÌÆ®¸¦ ¼º°øÀûÀ¸·Î |
| ÀоîµéÀÌ±æ ±â´ëÇÏÁö ¾Ê´Â´Ù¸é ¹®Á¦°¡ ¾ÈµÈ´Ù.</p> |
| </section> |
| |
| </manualpage> |
