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sqlserver - Changed requests to include blocking sessions. #7834

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sqlserver - Changed requests to include blocking sessions. #7834

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45a83b9
Changed requests to include blocking sessions.
spaghettidba Jul 14, 2020
cd79600
Added COALESCE(request,session) for activity stats
spaghettidba Jul 16, 2020
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103 changes: 52 additions & 51 deletions plugins/inputs/sqlserver/sqlserver.go
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Original file line number Diff line number Diff line change
Expand Up @@ -1573,57 +1573,58 @@ SET NOCOUNT ON;
SELECT blocking_session_id into #blockingSessions FROM sys.dm_exec_requests WHERE blocking_session_id != 0
create index ix_blockingSessions_1 on #blockingSessions (blocking_session_id)
SELECT
'sqlserver_requests' AS [measurement],
REPLACE(@@SERVERNAME,'\',':') AS [sql_instance],
DB_NAME() as [database_name],
r.session_id
, r.request_id
, DB_NAME(r.database_id) as session_db_name
, r.status
, r.cpu_time as cpu_time_ms
, r.total_elapsed_time as total_elapsed_time_ms
, r.logical_reads
, r.writes
, r.command
, wait_time as wait_time_ms
, wait_type
, wait_resource
, blocking_session_id
, s.program_name
, s.host_name
, s.nt_user_name
, r.open_transaction_count AS open_transaction
, LEFT (CASE COALESCE(r.transaction_isolation_level, s.transaction_isolation_level)
WHEN 0 THEN '0-Read Committed'
WHEN 1 THEN '1-Read Uncommitted (NOLOCK)'
WHEN 2 THEN '2-Read Committed'
WHEN 3 THEN '3-Repeatable Read'
WHEN 4 THEN '4-Serializable'
WHEN 5 THEN '5-Snapshot'
ELSE CONVERT (varchar(30), r.transaction_isolation_level) + '-UNKNOWN'
END, 30) AS transaction_isolation_level
,r.granted_query_memory as granted_query_memory_pages
, r.percent_complete
, (SUBSTRING(qt.text, r.statement_start_offset / 2 + 1,
(CASE WHEN r.statement_end_offset = -1
THEN LEN(CONVERT(NVARCHAR(MAX), qt.text)) * 2
ELSE r.statement_end_offset
END - r.statement_start_offset) / 2)
) AS statement_text
, qt.objectid
, QUOTENAME(OBJECT_SCHEMA_NAME(qt.objectid,qt.dbid)) + '.' + QUOTENAME(OBJECT_NAME(qt.objectid,qt.dbid)) as stmt_object_name
, DB_NAME(qt.dbid) stmt_db_name
,CONVERT(varchar(20),[query_hash],1) as [query_hash]
,CONVERT(varchar(20),[query_plan_hash],1) as [query_plan_hash]
FROM sys.dm_exec_requests r
LEFT OUTER JOIN sys.dm_exec_sessions s ON (s.session_id = r.session_id)
OUTER APPLY sys.dm_exec_sql_text(sql_handle) AS qt

WHERE 1=1
AND (r.session_id IS NOT NULL AND (s.is_user_process = 1 OR r.status COLLATE Latin1_General_BIN NOT IN ('background', 'sleeping')))
OR (s.session_id IN (SELECT blocking_session_id FROM #blockingSessions))
OPTION(MAXDOP 1)

'sqlserver_requests' AS [measurement]
, REPLACE(@@SERVERNAME,'\',':') AS [sql_instance]
, DB_NAME() as [database_name]
, s.session_id
, ISNULL(r.request_id,0) as request_id
, DB_NAME(s.database_id) as session_db_name
, COALESCE(r.status,s.status) AS status
, COALESCE(r.cpu_time,s.cpu_time) AS cpu_time_ms
, COALESCE(r.total_elapsed_time,s.total_elapsed_time) AS total_elapsed_time_ms
, COALESCE(r.logical_reads,s.logical_reads) AS logical_reads
, COALESCE(r.writes,s.writes) AS writes
, r.command
, r.wait_time as wait_time_ms
, r.wait_type
, r.wait_resource
, r.blocking_session_id
, s.program_name
, s.host_name
, s.nt_user_name
, s.open_transaction_count AS open_transaction
, LEFT (CASE COALESCE(r.transaction_isolation_level, s.transaction_isolation_level)
WHEN 0 THEN '0-Read Committed'
WHEN 1 THEN '1-Read Uncommitted (NOLOCK)'
WHEN 2 THEN '2-Read Committed'
WHEN 3 THEN '3-Repeatable Read'
WHEN 4 THEN '4-Serializable'
WHEN 5 THEN '5-Snapshot'
ELSE CONVERT (varchar(30), r.transaction_isolation_level) + '-UNKNOWN'
END, 30) AS transaction_isolation_level
, r.granted_query_memory as granted_query_memory_pages
, r.percent_complete
, SUBSTRING(
qt.text,
r.statement_start_offset / 2 + 1,
(CASE WHEN r.statement_end_offset = -1
THEN DATALENGTH(qt.text)
ELSE r.statement_end_offset
END - r.statement_start_offset) / 2 + 1
) AS statement_text
, qt.objectid
, QUOTENAME(OBJECT_SCHEMA_NAME(qt.objectid,qt.dbid)) + '.' + QUOTENAME(OBJECT_NAME(qt.objectid,qt.dbid)) as stmt_object_name
, DB_NAME(qt.dbid) stmt_db_name
, CONVERT(varchar(20),[query_hash],1) as [query_hash]
, CONVERT(varchar(20),[query_plan_hash],1) as [query_plan_hash]
FROM sys.dm_exec_sessions AS s
LEFT OUTER JOIN sys.dm_exec_requests AS r
ON s.session_id = r.session_id
OUTER APPLY sys.dm_exec_sql_text(r.sql_handle) AS qt
WHERE 1 = 1
AND (r.session_id IS NOT NULL AND (s.is_user_process = 1 OR r.status COLLATE Latin1_General_BIN NOT IN ('background', 'sleeping')))
OR (s.session_id IN (SELECT blocking_session_id FROM #blockingSessions))
OPTION(MAXDOP 1)
`

const sqlServerVolumeSpaceV2 string = `
Expand Down