PostgreSQLãªã©ãã¯ãããDBMSãåãããµã¼ãã§ã¯ä¸è¬çã«ã«ã¼ãã«ãã©ã¡ã¼ã¿shmmaxãshmallã®ãã©ã¡ã¼ã¿ã®å¤æ´ãè¡ãããããã®è¨å®å¤æ´ã«é¢ããæ å ±ã¯Webã®è²ããªãµã¤ãã«ããããä¸é¨ã®ãµã¤ãã§ã¯èª¤ã£ãè¨è¼ãéã ããããã«æããã¨ããã®ãããshmallã¨shmmaxã®è¨å®å¤ãåãå¤ã«è¨å®ãããã ããã¨ãã説æã¯æ£ãããªããä¸é¨ã®ãµã¤ãã§ã¯ãshmallã®å¤ããã¤ãæ°ã§æå®ãããã¨ãã¦ããããã«è¦åããããã Linuxã«ã¼ãã«ã®ã½ã¼ã¹(linux-2.6.18/include/linux/shm.hã®17è¡ç®ã)ãèªãã¨ããããªã³ã¡ã³ãããshmallã«ã¤ãã¦ã¯ããã¤ãæ°ã§ã¯ãªããã¼ã¸æ°ãè¨å®ããã #define SHMMAX 0x2000000 /* max shared seg size (bytes) */ #define SHMMIN 1 /* min sha
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