May 24, 2012

Post: InnoDB memory usage

calculation for OS_THREADS) So InnoDB uses: innodb_buffer_pool innodb_additional_mem_pool_size innodb_log_buffer_size adaptive index hash, size= innodb_…InnoDB will allocate = 1500M + 20M + 8M + 1500/20M + 17.5M = 1620.5M. Take the additional memory into account when you are planning memory usage

Post: How much memory can MySQL use in the worst case?

… consider the added memory for InnoDB: specifically, the buffer pool. (There’s also an innodb_additional_mem_… no formula to compute the maximum possible memory usage, and there cannot be because there are …I usually calculate the Big Ones like the buffer pool, query cache etc; leave some memory for …

Post: SHOW INNODB STATUS walk through

memory usage. You can see total memory allocated by Innodb (sometimes it is higher than you anticipated), amount of memory allocated in additional memory