Check heavy query:
SELECT TOP 10 s.session_id,
r.status,
r.cpu_time,
r.logical_reads,
r.reads,
r.writes,
r.total_elapsed_time / (1000 * 60) 'Elaps M',
SUBSTRING(st.TEXT, (r.statement_start_offset / 2) + 1,
((CASE r.statement_end_offset
WHEN -1 THEN DATALENGTH(st.TEXT)
ELSE r.statement_end_offset
END - r.statement_start_offset) / 2) + 1) AS statement_text,
COALESCE(QUOTENAME(DB_NAME(st.dbid)) + N'.' + QUOTENAME(OBJECT_SCHEMA_NAME(st.objectid, st.dbid))
+ N'.' + QUOTENAME(OBJECT_NAME(st.objectid, st.dbid)), '') AS command_text,
r.command,
s.login_name,
s.host_name,
s.program_name,
s.last_request_end_time,
s.login_time,
r.open_transaction_count
FROM sys.dm_exec_sessions AS s
JOIN sys.dm_exec_requests AS r ON r.session_id = s.session_id CROSS APPLY sys.Dm_exec_sql_text(r.sql_handle) AS st
WHERE r.session_id != @@SPID
ORDER BY r.cpu_time DESC
Check missing index:
SELECT CONVERT (VARCHAR(30),
GETDATE(),
126) AS runtime,
mig.index_group_handle,
mid.index_handle,
CONVERT (DECIMAL (28, 1),
migs.avg_total_user_cost * migs.avg_user_impact * (migs.user_seeks + migs.user_scans)) AS improvement_measure,
'CREATE INDEX missing_index_' + CONVERT (VARCHAR, mig.index_group_handle) + '_' + CONVERT (VARCHAR, mid.index_handle)
+ ' ON ' + mid.statement + ' (' + ISNULL (mid.equality_columns,
'') + CASE WHEN mid.equality_columns IS NOT NULL
AND mid.inequality_columns IS NOT NULL THEN ','
ELSE ''
END + ISNULL (mid.inequality_columns,
'') + ')' + ISNULL (' INCLUDE (' + mid.included_columns + ')',
'') AS create_index_statement,
migs.*,
mid.database_id,
mid.[object_id]
FROM sys.dm_db_missing_index_groups mig
INNER JOIN sys.dm_db_missing_index_group_stats migs ON migs.group_handle = mig.index_group_handle
INNER JOIN sys.dm_db_missing_index_details mid ON mig.index_handle = mid.index_handle
WHERE CONVERT (DECIMAL (28, 1),
migs.avg_total_user_cost * migs.avg_user_impact * (migs.user_seeks + migs.user_scans)) > 10
ORDER BY migs.avg_total_user_cost * migs.avg_user_impact * (migs.user_seeks + migs.user_scans) DESC
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