host_summary

Overview

In 10.6 ES, 10.6 CS:

A summary of hosts.

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 `host_summary` AS SELECT
  if(`performance_schema`.`accounts`.`HOST` is null,'background',`performance_schema`.`accounts`.`HOST`) AS `host`,
  sum(`stmt`.`total`) AS `statements`,
  `sys`.`format_time`(sum(`stmt`.`total_latency`)) AS `statement_latency`,
  `sys`.`format_time`(ifnull(sum(`stmt`.`total_latency`) / nullif(sum(`stmt`.`total`),0),0)) AS `statement_avg_latency`,
  sum(`stmt`.`full_scans`) AS `table_scans`,
  sum(`io`.`ios`) AS `file_ios`,
  `sys`.`format_time`(sum(`io`.`io_latency`)) AS `file_io_latency`,
  sum(`performance_schema`.`accounts`.`CURRENT_CONNECTIONS`) AS `current_connections`,
  sum(`performance_schema`.`accounts`.`TOTAL_CONNECTIONS`) AS `total_connections`,
  count(distinct `performance_schema`.`accounts`.`USER`) AS `unique_users`,
  `sys`.`format_bytes`(sum(`mem`.`current_allocated`)) AS `current_memory`,
  `sys`.`format_bytes`(sum(`mem`.`total_allocated`)) AS `total_memory_allocated`
FROM (((`performance_schema`.`accounts` join `sys`.`x$host_summary_by_statement_latency` `stmt` on(`performance_schema`.`accounts`.`HOST` = `stmt`.`host`)) join `sys`.`x$host_summary_by_file_io` `io` on(`performance_schema`.`accounts`.`HOST` = `io`.`host`)) join `sys`.`x$memory_by_host_by_current_bytes` `mem` on(`performance_schema`.`accounts`.`HOST` = `mem`.`host`)) group by if(`performance_schema`.`accounts`.`HOST` is null,'background',`performance_schema`.`accounts`.`HOST`)

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