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17 lines
1.4 KiB
17 lines
1.4 KiB
2 months ago
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create definer = `mysql.sys`@localhost view sys.x$innodb_buffer_stats_by_table as
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select if((locate('.', `ibp`.`TABLE_NAME`) = 0), 'InnoDB System',
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replace(substring_index(`ibp`.`TABLE_NAME`, '.', 1), '`', '')) AS `object_schema`,
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replace(substring_index(`ibp`.`TABLE_NAME`, '.', -(1)), '`', '') AS `object_name`,
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sum(if((`ibp`.`COMPRESSED_SIZE` = 0), 16384, `ibp`.`COMPRESSED_SIZE`)) AS `allocated`,
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sum(`ibp`.`DATA_SIZE`) AS `data`,
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count(`ibp`.`PAGE_NUMBER`) AS `pages`,
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count(if((`ibp`.`IS_HASHED` = 'YES'), 1, NULL)) AS `pages_hashed`,
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count(if((`ibp`.`IS_OLD` = 'YES'), 1, NULL)) AS `pages_old`,
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round(ifnull((sum(`ibp`.`NUMBER_RECORDS`) / nullif(count(distinct `ibp`.`INDEX_NAME`), 0)), 0),
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0) AS `rows_cached`
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from `information_schema`.`INNODB_BUFFER_PAGE` `ibp`
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where (`ibp`.`TABLE_NAME` is not null)
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group by `object_schema`, `object_name`
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order by sum(if((`ibp`.`COMPRESSED_SIZE` = 0), 16384, `ibp`.`COMPRESSED_SIZE`)) desc;
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