MySQLã®MyISAMãã¼ãã«ã§ã¯ãªãã·ã§ã³ãæå®ããã«ãã¼ãã«ãä½æããã¨ãµã¤ãºã®ä¸éã¯4GBã¨ãªã(*1)ããã¼ãã«ãµã¤ãºã®è¨å®ã«é¢ããã¡ã¢ã (*1) 対象Ver.ã¯4.0ãããã¡ã¤ã«ã·ã¹ãã ã®ãã¡ã¤ã«ãµã¤ãºä¸éã«ãã4GBã¾ã§ä½¿ããªãå ´åãããã ãã¼ãã«ãµã¤ãºã®ä¸éã®è¡¨ç¤º ãã¼ãã«ãµã¤ãºã®ä¸éã¯'SHOW TABLE STATUS'ã§è¡¨ç¤ºã§ãããMax_data_lengthã®ã«ã©ã ããã¼ãã«ãµã¤ãºã®ä¸éå¤ããã¼ã¿ãã¼ã¹ããã¼ãã«åãæå®ãã¦è¡¨ç¤ºãããå ´åã¯ãSHOW TABLE STATUS FROM DBå LIKE 'ãã¼ãã«å'ã§è¡¨ç¤ºã§ããã mysql> SHOW TABLE STATUS FROM test LIKE 'sample' \G *************************** 1. row ***************************
ååãã¹ã¿ã¼ã®ããã«åç §å°éã§å©ç¨ãããã¼ãã«ãªãã°ãå§ç¸®MyISAMãé常ã«é©ãã¦ãããã¨ãå¤ãããã®æ¹ã容éãå°ãããªããããã£ã¹ã¯I/Oãæ¸ãã®ã§é«éåãæå¾ åºæ¥ãããã ãå§ç¸®MyISAMãå©ç¨ããæã®åé¡ç¹ã¯ãMySQLãµã¼ãèµ·åä¸ã«ãã¼ãã«ã®å§ç¸®ãè¡ããªãç¹ã§ããããï¼æ£ç¢ºã«ã¯è¡ããªãããªãããæä½ã¯æ éãæããå¿ è¦ããããï¼ã¾ããå§ç¸®MyISAMãã¼ãã«ã¯ã²ã¨ãã³å§ç¸®ãã¦ãã¾ã£ãå¾ã¯ãæ´æ°ãå ãããã¨ãåºæ¥ãªãã®ã ããå¦ä½ã«ååãã¹ã¿ã¼ã¨ããã©ããä¸æ¥ã«ä¸åº¦ç¨åº¦ã®é »åº¦ã§æ´æ°ããããªãã¨ãããªãããç¥ããªãã®ã§ãããã¾ãåé¡ã§ãããå§ç¸®MyISAMãã¼ãã«ãç¨ããéç¨ã¯å©ç¹ãããä¸æ¹ã§ããã®ãããªåé¡ãããããé£ãããããã§ãä»æ¥ã¯å§ç¸®MyISAMãã¼ãã«ã§ååãã¹ã¿ã¼ãéç¨ããæ¹æ³ã«ã¤ãã¦ç´¹ä»ãããã ååãã¹ã¿ã¼ä½æç¨ã®MySQLãµã¼ããç¨æããããªã³ã©ã¤ã³ãã©ã³ã¶ã¯ã·ã§ã³ã
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}