MySQLメモリ使用量確認SQL

メモリ使用量確認

select
@@GLOBAL.KEY_BUFFER_SIZE as GLOBAL_KEY_BUFFER_SIZE,
@@GLOBAL.INNODB_BUFFER_POOL_SIZE as GLOBAL_INNODB_BUFFER_POOL_SIZE,
@@GLOBAL.INNODB_LOG_BUFFER_SIZE as GLOBAL_INNODB_LOG_BUFFER_SIZE,
@@GLOBAL.INNODB_ADDITIONAL_MEM_POOL_SIZE as GLOBAL_INNODB_ADDITIONAL_MEM_POOL_SIZE,
@@GLOBAL.SORT_BUFFER_SIZE + @@GLOBAL.MYISAM_SORT_BUFFER_SIZE + @@GLOBAL.READ_BUFFER_SIZE + @@GLOBAL.JOIN_BUFFER_SIZE + @@GLOBAL.READ_RND_BUFFER_SIZE as THREAD_BUFFER_SIZE,
@@GLOBAL.KEY_BUFFER_SIZE + @@GLOBAL.INNODB_BUFFER_POOL_SIZE + @@GLOBAL.INNODB_LOG_BUFFER_SIZE + @@GLOBAL.INNODB_ADDITIONAL_MEM_POOL_SIZE + @@GLOBAL.NET_BUFFER_LENGTH
 + (@@GLOBAL.SORT_BUFFER_SIZE + @@GLOBAL.MYISAM_SORT_BUFFER_SIZE + @@GLOBAL.READ_BUFFER_SIZE + @@GLOBAL.JOIN_BUFFER_SIZE + @@GLOBAL.READ_RND_BUFFER_SIZE) * @@GLOBAL.MAX_CONNECTIONS AS TOTAL_MEMORY_SIZE,
 (@@GLOBAL.KEY_BUFFER_SIZE + @@GLOBAL.INNODB_BUFFER_POOL_SIZE + @@GLOBAL.INNODB_LOG_BUFFER_SIZE + @@GLOBAL.INNODB_ADDITIONAL_MEM_POOL_SIZE + @@GLOBAL.NET_BUFFER_LENGTH
 + (@@GLOBAL.SORT_BUFFER_SIZE + @@GLOBAL.MYISAM_SORT_BUFFER_SIZE + @@GLOBAL.READ_BUFFER_SIZE + @@GLOBAL.JOIN_BUFFER_SIZE + @@GLOBAL.READ_RND_BUFFER_SIZE) * @@GLOBAL.MAX_CONNECTIONS)/1024 AS TOTAL_MEMORY_SIZE_kb,
 (@@GLOBAL.KEY_BUFFER_SIZE + @@GLOBAL.INNODB_BUFFER_POOL_SIZE + @@GLOBAL.INNODB_LOG_BUFFER_SIZE + @@GLOBAL.INNODB_ADDITIONAL_MEM_POOL_SIZE + @@GLOBAL.NET_BUFFER_LENGTH
 + (@@GLOBAL.SORT_BUFFER_SIZE + @@GLOBAL.MYISAM_SORT_BUFFER_SIZE + @@GLOBAL.READ_BUFFER_SIZE + @@GLOBAL.JOIN_BUFFER_SIZE + @@GLOBAL.READ_RND_BUFFER_SIZE) * @@GLOBAL.MAX_CONNECTIONS)/1024/1024 AS TOTAL_MEMORY_SIZE_mb,
 (@@GLOBAL.KEY_BUFFER_SIZE + @@GLOBAL.INNODB_BUFFER_POOL_SIZE + @@GLOBAL.INNODB_LOG_BUFFER_SIZE + @@GLOBAL.INNODB_ADDITIONAL_MEM_POOL_SIZE + @@GLOBAL.NET_BUFFER_LENGTH
 + (@@GLOBAL.SORT_BUFFER_SIZE + @@GLOBAL.MYISAM_SORT_BUFFER_SIZE + @@GLOBAL.READ_BUFFER_SIZE + @@GLOBAL.JOIN_BUFFER_SIZE + @@GLOBAL.READ_RND_BUFFER_SIZE) * @@GLOBAL.MAX_CONNECTIONS)/1024/1024/1024 AS TOTAL_MEMORY_SIZE_gb
 \G