wait_classes_global_by_avg_latency.frm 3.5 KB

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  1. TYPE=VIEW
  2. query=select substring_index(`performance_schema`.`events_waits_summary_global_by_event_name`.`EVENT_NAME`,\'/\',3) AS `event_class`,sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`) AS `total`,`sys`.`format_time`(cast(sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) as unsigned)) AS `total_latency`,`sys`.`format_time`(min(`performance_schema`.`events_waits_summary_global_by_event_name`.`MIN_TIMER_WAIT`)) AS `min_latency`,`sys`.`format_time`(ifnull((sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) / nullif(sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`),0)),0)) AS `avg_latency`,`sys`.`format_time`(cast(max(`performance_schema`.`events_waits_summary_global_by_event_name`.`MAX_TIMER_WAIT`) as unsigned)) AS `max_latency` from `performance_schema`.`events_waits_summary_global_by_event_name` where ((`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT` > 0) and (`performance_schema`.`events_waits_summary_global_by_event_name`.`EVENT_NAME` <> \'idle\')) group by `event_class` order by ifnull((sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) / nullif(sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`),0)),0) desc
  3. md5=e15c3f083ad054b3c5e6b11c8d5e96df
  4. updatable=0
  5. algorithm=1
  6. definer_user=mysql.sys
  7. definer_host=localhost
  8. suid=0
  9. with_check_option=0
  10. timestamp=2019-05-06 05:42:06
  11. create-version=1
  12. source=SELECT SUBSTRING_INDEX(event_name,\'/\', 3) AS event_class, SUM(COUNT_STAR) AS total, sys.format_time(CAST(SUM(sum_timer_wait) AS UNSIGNED)) AS total_latency, sys.format_time(MIN(min_timer_wait)) AS min_latency, sys.format_time(IFNULL(SUM(sum_timer_wait) / NULLIF(SUM(COUNT_STAR), 0), 0)) AS avg_latency, sys.format_time(CAST(MAX(max_timer_wait) AS UNSIGNED)) AS max_latency FROM performance_schema.events_waits_summary_global_by_event_name WHERE sum_timer_wait > 0 AND event_name != \'idle\' GROUP BY event_class ORDER BY IFNULL(SUM(sum_timer_wait) / NULLIF(SUM(COUNT_STAR), 0), 0) DESC
  13. client_cs_name=utf8
  14. connection_cl_name=utf8_general_ci
  15. view_body_utf8=select substring_index(`performance_schema`.`events_waits_summary_global_by_event_name`.`EVENT_NAME`,\'/\',3) AS `event_class`,sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`) AS `total`,`sys`.`format_time`(cast(sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) as unsigned)) AS `total_latency`,`sys`.`format_time`(min(`performance_schema`.`events_waits_summary_global_by_event_name`.`MIN_TIMER_WAIT`)) AS `min_latency`,`sys`.`format_time`(ifnull((sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) / nullif(sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`),0)),0)) AS `avg_latency`,`sys`.`format_time`(cast(max(`performance_schema`.`events_waits_summary_global_by_event_name`.`MAX_TIMER_WAIT`) as unsigned)) AS `max_latency` from `performance_schema`.`events_waits_summary_global_by_event_name` where ((`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT` > 0) and (`performance_schema`.`events_waits_summary_global_by_event_name`.`EVENT_NAME` <> \'idle\')) group by `event_class` order by ifnull((sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`SUM_TIMER_WAIT`) / nullif(sum(`performance_schema`.`events_waits_summary_global_by_event_name`.`COUNT_STAR`),0)),0) desc