Crontab/Cron·Î MySQL µ¥ÀÌŸº£À̽º¸¦ ÀÚµ¿À¸·Î °Ë»çÇÏ°í ³«°üÇϽʽÿÀ

MySQL´Â ¾ÆÁÖ ´ëÁßÀûÀÎ ÀÚÀ¯·Ó°í ±×·¯³ª °­·ÂÇÑ µ¥ÀÌŸº£À̽º ½Ã½ºÅÛÀÌ´Ù. ±×·¯³ª ÈǸ¢ÇÑ µ¥ÀÌŸº£À̽º¿¡¼­ ÈξÀ, Å×À̺íÀº Áö¼ÓÀûÀÎ °»½Å ¶§¹®¿¡ °£Á¢ºñ·Î ÆÄÆíÀÌ µÇ¾î ¾òÀ»Áöµµ ¸ð¸¥´Ù, ¶Ç´Â µ¥ÀÌŸº£À̽º¿¡¼­ ÀúÀåµÈ ÀÚ·á¿¡ »ðÀÔ ¿¬»ê »èÁ¦Çϰŵç. ÀÇ ¿·¿¡, ¶ÇÇÑ ¾òÀ»Áöµµ µ¥ÀÌŸº£À̽º°¡ Ÿ¶ô½Ã°Ü ¸ð¸¥´Ù °¡´É¼ºÀÌ´Ù. µû¶ó¼­, µ¥ÀÌŸº£À̽º¿¡ °Ç°­ °Ë»ç¸¦ ½ÇÇàÇØ¼­ MySQL ¼­¹ö¸¦ ÀÏÁ¤ÇϰÔÀÌ´Ù Áß¿äÇÑ ¾÷¹« ³«°üÇϰŵç.

µ¥ÀÌŸº£À̽º °ü¸®ÀÚ°¡ ¼­¹ö ¶Ç´Â Å×ÀÌºí¿¡ ÀÇÇÏ¿© µ¥ÀÌŸº£À̽º ¶Ç´Â Å×À̺íÀ» Çϳª¾¿ Â÷·Ê·Î ³«°üÇϱâ À§ÇÏ¿© phpMyAdmin ¹ß»çÇϱ⿡ ¼öµ¿À¸·Î ·Î±×ÀÎÇØ¾ß ÇÏ´Â °æ¿ì¿¡ ¹øÀâÇÑ Á¶±ÝÀÌ´Ù. ¶§¶§·Î DB admin´Â °£´ÜÇÏ°Ô ÀÏÀ» Çϰųª Á¶±Ý ½Ã°£¿¡ ÃÖÀûÈ­ÀÇ Á֯ļö¸¦ ³õ´Â °ÍÀ» Àش´٠ÀÏÁö¸ð¸¥´Ù. °¢ MySQL µ¥ÀÌŸº£À̽º¿¡ ÀÖ´Â Å×À̺íÀÌ ¹Ù»Û ¼­¹ö¿¡ Àû¾îµµ ÇÏ·ç¿¡ ÇÑ ¹ø °Ë»çµÈ¤¤´Ù´Â °ÍÀ» ÃßõÇß´Ù.

¸®´ª½º¿¡ ÀÖ´Â crontab ±â´ÉÀ» ¶Ç´Â À¯´Ð½º ¶Ç´Â CentOS/FreeBSD »ç¿ëÇØ¼­ MySQL °úÁ¤ÀÇ ÃÖÀûÈ­¸¦ ÀÚµ¿È­ÇÏ´Â °ÍÀÌ °¡´ÉÇÏ´Ù. MySQL µ¥ÀÌŸº£À̽º¸¦ °Ë»çÇÏ°í ³«°üÇÏ´Â cron ÀÏÀº °ø¿ëǰ¿¡ ÀÇÇÏ¿© ÀÓ¸í MySQL ¿À´Â mysqlcheck Ŭ¶óÀÌ¾ðÆ®¸¦ »ç¿ëÇØ¼­ âÁ¶µÉ ¼ö ÀÖ´Ù. mysqlcheck Ŭ¶óÀÌ¾ðÆ® ±øÅëÀº MySQL µ¥ÀÌŸº£À̽º¿¡ ÀÖ´Â Å×À̺íÀ» °Ë»çÇϰí, °íÄ¡°í, ³«°üÇϰí, ºÐ¼®ÇÑ´Ù.

»õ·Î¿î cron ÀÏ, ·Î±×ÀÎ ¶Ç´Â ´Ù¸¥ ¾î¶² »ç¿ëÀÚ¸¦ »Ñ¸®·Î ¼­¹ö¿¡ âÁ¶Çϰí, µÚ¿¡ ¿À´Â ÅØ½ºÆ® Çà¿¡¼­ Ãß°¡Çϱâ À§ÇÏ¿© ±× ÈÄ¿¡ crontab ÆÄÀÏÀ» ÆíÁýÇϱâ À§ÇÏ¿© (ÃÖ´ë ¿î¿µ ü°è¿¡¼­, crontab - e´Â °úÅ ¹®¼­ ÆíÁý±â¿¡ ÀÖ´Â crontab ÆÄÀÏÀ» ¿­ °ÍÀÌ´Ù). cPanel¸¦ »ç¿ëÇØ »ç¿ëÀÚ¸¦ À§ÇØ ´ç½ÅÀÌ ¸ÅÀÏ¿¡ crontab¸¦ ¼³Ä¡ÇÒ ¼ö ÀÖ´Â °÷¿¡, "Cron ÀÏ", ¿Í ´Ù¸¥ °£°ÝÀ» ºó¹øÈ÷ Ŭ¸¯ÇϽʽÿÀ. °æÇè À¥¸¶½ºÅÍ´Â ¶ÇÇÑ rc.hourly¿¡ ÀÖ´Â crontab ÆÄÀÏÀ» ¶Ç´Â rc.daily ¶Ç´Â ´Ù¸¥ cron ÀüÈ­¹øÈ£ºÎ ¼³Ä¡ÇÒ ¼ö ÀÖ´Ù. »ç¿ëÀÚ ID¿Í »Ñ¸®¸¦ À§ÇÑ ¾ÏÈ£°¡ º¸±â¿¡¼­ ¾Æ·¡¿¡·Î ÁöÁ¤µÇ¸é ¾Ê´Â ÇÑ, ´ç½ÅÀÌ ¸ðµç µ¥ÀÌŸº£À̽º¿¡ Á¢±Ù ±ÇÇÑ ¾øÀÌ MySQL ¶Ç´Â Á¤»óÀûÀÎ »ç¿ëÀÚ·Î ·Î±×ÀÎÇÏ´Â °æ¿ì¿¡ Àú°ÍÀ», ±×°Í ¸ðµç µ¥ÀÌŸº£À̽º¸¦ ³«°üÇϱâ À§ÇÏ¿© °¡´ÉÇÏÁö ¾Ê´Ù ÁÖÀÇÇϽʽÿÀ.

0°³ÀÇ 1°³ÀÇ ** * mysqlcheck - Aao - ÀÚµ¿ ¼ö¼± - u »Ñ¸® - p [¾ÏÈ£] > /dev/null

À§ °è»ê¼­¿¡´Â "mysqlcheck [¼±ÅñÇ]¿Í - ¸ðµç µ¥ÀÌŸº£À̽º" À¯»çÇÑ Åë¾î·ÐÀÌ, °÷¿¡ - ÀÖ´Ù ¸ðµç µ¥ÀÌŸº£À̽º ¸Å°³º¯¼ö´Â °úÅ Ȱµ¿ ¾ø´Ù ¾Æ¹« µ¥ÀÌŸº£À̽ºµµ ÀÌ·¸°Ô ÁöÁ¤µÈ´Ù »ý·«µÉ ¼ö ÀÖ´Ù ÀÌ´Ù. ¸í·ÉÀº mysqlcheck ÀÚµ¿À¸·Î ¸ÅÀÏ 1 AM¿¡ ¸ðµç µ¥ÀÌŸº£À̽º¸¦ ºÐ¼®ÇÏ°í ³«°üÇϱâ À§ÇÏ¿© Ŭ¶óÀÌ¾ðÆ®¸¦ ´Þ¸± °ÍÀÌ´Ù. »çÀÌ °ø°£ÀÌ ¾ø´Ù - »Ñ¸®¸¦ À§ÇÑ p ±×¸®°í ÀÚ½ÅÀÇ ¾ÏÈ£¸¦ ÁÖÀÇÇϽʽÿÀ. ´ç½ÅÀº ´ç½ÅÀÇ Æ¯Çý¿¡ »ó¿µ ½Ã°£À» ¹Ù²Ü ¼ö ÀÖ°í, ¶ÇÇÑ mysqlcheck ¸í·ÉÀ» À§ÇÑ ¼±ÅñÇÀ» ¹Ù²Û´Ù. ´ç½ÅÀÌ ´Ù¸¸ µ¥ÀÌŸº£À̽º ¾øÀÌ Æ¯Á¤ µ¥ÀÌŸº£À̽º ¶Ç´Â ƯÁ¤ Å×À̺íÀ» °Ë»çÇÏ°í ³«°üÇÏ°í ½ÍÀº °æ¿ì¿¡, µÚ¿¡ ¿À´Â Åë¾î·ÐÀ» »ç¿ëÇϽʽÿÀ:

mysqlcheck [¼±ÅñÇ] db_name [Å×À̺í]
mysqlcheck [¼±ÅñÇ] - µ¥ÀÌŸº£À̽º DB1 [DB2 DB3¡¦]

You may want to remove –auto-repair switch from the above command, as a table repair operation might cause data loss under some circumstances the operation due to causes include but are not limited to filesystem errors. For those who has changed the character set and collation of MySQL databases may also need to use –default-character-set option. More information on all available switches and options available can be found here.

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2 Responses to ¡°Check and Optimize MySQL Database Automatically with Crontab/Cron¡±

  1. Zubin
    January 16th, 2008 06:40
    1

    Note that -–auto-repair should have two dashes

    Also, you might want to leave ¡°> /dev/null¡± out for the first few runs, to see the results of the command (if you put MAILTO=me@mydomain.com at the top of the crontab, the results will get sent there).

  2. Mike -
    May 6th, 2008 19:15
    2

    I did not know that it was nesessary to perform a regular check for mysql.

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