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SQL-SERVER

 


Script to Find TOP 50 cached plans that consumed the most cumulative CPU

using T-SQL Script


SQL-Server saves all executions plans in its Cache so that when ever a similar requirement arrives instead of following a new path it retrieves the cached query Execution plan from its cahe and executes it.
this makes SQL-Server to be much faster.

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Please test the script on your testing or Dev (development) environment's which are expendable before executing or implementing these scripts over production or realtime environment. Also get the Aprovalfrom your DBA before executing these scripts

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 SELECT TOP 50 qs.creation_time, qs.execution_count, qs.total_worker_time as total_cpu_time, qs.max_worker_time as max_cpu_time, 
qs.total_elapsed_time, qs.max_elapsed_time, qs.total_logical_reads, qs.max_logical_reads, qs.total_physical_reads, 
qs.max_physical_reads,t.[text], qp.query_plan, t.dbid, t.objectid, t.encrypted, qs.plan_handle, qs.plan_generation_num
FROM sys.dm_exec_query_stats qs 
CROSS APPLY sys.dm_exec_sql_text(plan_handle) AS t
CROSS APPLY sys.dm_exec_query_plan(plan_handle) AS qp
ORDER BY qs.total_worker_time DESC
 

you can download the Script here here