x@0024ps_digest_95th_percentile_by_avg_us.frm 1.7 KB

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  1. TYPE=VIEW
  2. query=select `s2`.`avg_us` AS `avg_us`,ifnull((sum(`s1`.`cnt`) / nullif((select count(0) from `performance_schema`.`events_statements_summary_by_digest`),0)),0) AS `percentile` from (`sys`.`x$ps_digest_avg_latency_distribution` `s1` join `sys`.`x$ps_digest_avg_latency_distribution` `s2` on((`s1`.`avg_us` <= `s2`.`avg_us`))) group by `s2`.`avg_us` having (ifnull((sum(`s1`.`cnt`) / nullif((select count(0) from `performance_schema`.`events_statements_summary_by_digest`),0)),0) > 0.95) order by `percentile` limit 1
  3. md5=38844a2231445ad0ee62a505f5144e44
  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 s2.avg_us avg_us, IFNULL(SUM(s1.cnt)/NULLIF((SELECT COUNT(*) FROM performance_schema.events_statements_summary_by_digest), 0), 0) percentile FROM sys.x$ps_digest_avg_latency_distribution AS s1 JOIN sys.x$ps_digest_avg_latency_distribution AS s2 ON s1.avg_us <= s2.avg_us GROUP BY s2.avg_us HAVING IFNULL(SUM(s1.cnt)/NULLIF((SELECT COUNT(*) FROM performance_schema.events_statements_summary_by_digest), 0), 0) > 0.95 ORDER BY percentile LIMIT 1
  13. client_cs_name=utf8
  14. connection_cl_name=utf8_general_ci
  15. view_body_utf8=select `s2`.`avg_us` AS `avg_us`,ifnull((sum(`s1`.`cnt`) / nullif((select count(0) from `performance_schema`.`events_statements_summary_by_digest`),0)),0) AS `percentile` from (`sys`.`x$ps_digest_avg_latency_distribution` `s1` join `sys`.`x$ps_digest_avg_latency_distribution` `s2` on((`s1`.`avg_us` <= `s2`.`avg_us`))) group by `s2`.`avg_us` having (ifnull((sum(`s1`.`cnt`) / nullif((select count(0) from `performance_schema`.`events_statements_summary_by_digest`),0)),0) > 0.95) order by `percentile` limit 1