innodb_buffer_stats_by_schema

Overview

In 10.6 ES, 10.6 CS:

InnoDB buffer stats by schema.

In 10.5 ES, 10.5 CS, 10.4 ES, 10.4 CS, 10.3 ES, 10.3 CS, 10.2 ES, 10.2 CS:

Not present

See also: Sys Database Tables for MariaDB Enterprise Server 10.6 and in 10.6 CS

DETAILS

SCHEMA

VIEW `innodb_buffer_stats_by_schema` AS SELECT
  if(locate('.',`ibp`.`TABLE_NAME`) = 0,'InnoDB System',replace(substring_index(`ibp`.`TABLE_NAME`,'.',1),'`','')) AS `object_schema`,
  `sys`.`format_bytes`(sum(if(`ibp`.`COMPRESSED_SIZE` = 0,16384,`ibp`.`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,NULL)) AS `pages_hashed`,
  count(if(`ibp`.`IS_OLD` = 'YES',1,NULL)) AS `pages_old`,
  round(sum(`ibp`.`NUMBER_RECORDS`) / count(distinct `ibp`.`INDEX_NAME`),0) AS `rows_cached`
FROM `information_schema`.`innodb_buffer_page` `ibp` where `ibp`.`TABLE_NAME` is not null group by if(locate('.',`ibp`.`TABLE_NAME`) = 0,'InnoDB System',replace(substring_index(`ibp`.`TABLE_NAME`,'.',1),'`','')) order by sum(if(`ibp`.`COMPRESSED_SIZE` = 0,16384,`ibp`.`COMPRESSED_SIZE`)) desc

CHANGE HISTORY

Release Series

History

10.6 Enterprise

  • Added in MariaDB Enterprise Server 10.6.4-1.

10.6 Community

  • Added in MariaDB Community Server 10.6.0.

10.5 Enterprise

  • Not present.

10.5 Community

  • Not present.

10.4 Enterprise

  • Not present.

10.4 Community

  • Not present.

10.3 Enterprise

  • Not present.

10.3 Community

  • Not present.

10.2 Enterprise

  • Not present.

10.2 Community

  • Not present.

EXTERNAL REFERENCES