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YZWL/IDEA/sys/x$user_summary.sql

25 lines
2.3 KiB

create definer = `mysql.sys`@localhost view sys.x$user_summary as
select if((`performance_schema`.`accounts`.`USER` is null), 'background',
`performance_schema`.`accounts`.`USER`) AS `user`,
sum(`sys`.`stmt`.`total`) AS `statements`,
sum(`sys`.`stmt`.`total_latency`) AS `statement_latency`,
ifnull((sum(`sys`.`stmt`.`total_latency`) / nullif(sum(`sys`.`stmt`.`total`), 0)), 0) AS `statement_avg_latency`,
sum(`sys`.`stmt`.`full_scans`) AS `table_scans`,
sum(`sys`.`io`.`ios`) AS `file_ios`,
sum(`sys`.`io`.`io_latency`) AS `file_io_latency`,
sum(`performance_schema`.`accounts`.`CURRENT_CONNECTIONS`) AS `current_connections`,
sum(`performance_schema`.`accounts`.`TOTAL_CONNECTIONS`) AS `total_connections`,
count(distinct `performance_schema`.`accounts`.`HOST`) AS `unique_hosts`,
sum(`sys`.`mem`.`current_allocated`) AS `current_memory`,
sum(`sys`.`mem`.`total_allocated`) AS `total_memory_allocated`
from (((`performance_schema`.`accounts` left join `sys`.`x$user_summary_by_statement_latency` `stmt` on ((
if((`performance_schema`.`accounts`.`USER` is null), 'background', `performance_schema`.`accounts`.`USER`) =
`sys`.`stmt`.`user`))) left join `sys`.`x$user_summary_by_file_io` `io`
on ((if((`performance_schema`.`accounts`.`USER` is null), 'background', `performance_schema`.`accounts`.`USER`) =
`sys`.`io`.`user`))) left join `sys`.`x$memory_by_user_by_current_bytes` `mem`
on ((if((`performance_schema`.`accounts`.`USER` is null), 'background', `performance_schema`.`accounts`.`USER`) =
`sys`.`mem`.`user`)))
group by if((`performance_schema`.`accounts`.`USER` is null), 'background', `performance_schema`.`accounts`.`USER`)
order by sum(`sys`.`stmt`.`total_latency`) desc;