io_global_by_file_by_bytes

Overview

In 10.6 ES, 10.6 CS:

Global I/O by file & bytes.

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 `io_global_by_file_by_bytes` AS SELECT
  `sys`.`format_path`(`performance_schema`.`file_summary_by_instance`.`FILE_NAME`) AS `file`,
  `performance_schema`.`file_summary_by_instance`.`COUNT_READ` AS `count_read`,
  `sys`.`format_bytes`(`performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_READ`) AS `total_read`,
  `sys`.`format_bytes`(ifnull(`performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_READ` / nullif(`performance_schema`.`file_summary_by_instance`.`COUNT_READ`,0),0)) AS `avg_read`,
  `performance_schema`.`file_summary_by_instance`.`COUNT_WRITE` AS `count_write`,
  `sys`.`format_bytes`(`performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_WRITE`) AS `total_written`,
  `sys`.`format_bytes`(ifnull(`performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_WRITE` / nullif(`performance_schema`.`file_summary_by_instance`.`COUNT_WRITE`,0),0.00)) AS `avg_write`,
  `sys`.`format_bytes`(`performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_READ` + `performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_WRITE`) AS `total`,
  ifnull(round(100 - `performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_READ` / nullif(`performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_READ` + `performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_WRITE`,0) * 100,2),0.00) AS `write_pct`
FROM `performance_schema`.`file_summary_by_instance` order by `performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_READ` + `performance_schema`.`file_summary_by_instance`.`SUM_NUMBER_OF_BYTES_WRITE` 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