-- Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. -- -- This program is free software; you can redistribute it and/or modify -- it under the terms of the GNU General Public License as published by -- the Free Software Foundation; version 2 of the License. -- -- This program is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -- GNU General Public License for more details. -- -- You should have received a copy of the GNU General Public License -- along with this program; if not, write to the Free Software -- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA -- -- View: innodb_buffer_stats_by_table -- -- Summarizes the output of the INFORMATION_SCHEMA.INNODB_BUFFER_PAGE -- table, aggregating by schema and table name -- -- mysql> select * from innodb_buffer_stats_by_table; -- +--------------------------+------------------------------------+------------+-----------+-------+--------------+-----------+-------------+ -- | object_schema | object_name | allocated | data | pages | pages_hashed | pages_old | rows_cached | -- +--------------------------+------------------------------------+------------+-----------+-------+--------------+-----------+-------------+ -- | InnoDB System | SYS_COLUMNS | 128.00 KiB | 98.97 KiB | 8 | 8 | 8 | 1532 | -- | InnoDB System | SYS_FOREIGN | 128.00 KiB | 55.48 KiB | 8 | 8 | 8 | 172 | -- | InnoDB System | SYS_TABLES | 128.00 KiB | 56.18 KiB | 8 | 8 | 8 | 365 | -- | InnoDB System | SYS_INDEXES | 112.00 KiB | 76.16 KiB | 7 | 7 | 7 | 1046 | -- | mem30_trunk__instruments | agentlatencytime | 96.00 KiB | 28.83 KiB | 6 | 6 | 6 | 252 | -- | mem30_trunk__instruments | binlogspaceusagedata | 96.00 KiB | 22.54 KiB | 6 | 6 | 6 | 196 | -- | mem30_trunk__instruments | connectionsdata | 96.00 KiB | 36.68 KiB | 6 | 6 | 6 | 276 | -- ... -- +--------------------------+------------------------------------+------------+-----------+-------+--------------+-----------+-------------+ -- CREATE OR REPLACE ALGORITHM = TEMPTABLE DEFINER = 'root'@'localhost' SQL SECURITY INVOKER VIEW innodb_buffer_stats_by_table ( object_schema, object_name, allocated, data, pages, pages_hashed, pages_old, rows_cached ) AS SELECT IF(LOCATE('.', ibp.table_name) = 0, 'InnoDB System', REPLACE(SUBSTRING_INDEX(ibp.table_name, '.', 1), '`', '')) AS object_schema, REPLACE(SUBSTRING_INDEX(ibp.table_name, '.', -1), '`', '') AS object_name, sys.format_bytes(SUM(IF(ibp.compressed_size = 0, 16384, compressed_size))) AS allocated, sys.format_bytes(SUM(ibp.data_size)) AS data, COUNT(ibp.page_number) AS pages, COUNT(IF(ibp.is_hashed = 'YES', 1, 0)) AS pages_hashed, COUNT(IF(ibp.is_old = 'YES', 1, 0)) AS pages_old, ROUND(SUM(ibp.number_records)/COUNT(DISTINCT ibp.index_name)) AS rows_cached FROM information_schema.innodb_buffer_page ibp WHERE table_name IS NOT NULL GROUP BY object_schema, object_name ORDER BY SUM(IF(ibp.compressed_size = 0, 16384, compressed_size)) DESC;