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Commit fa209ce

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Still work to do, but this is a good check in point
1 parent 17ffda4 commit fa209ce

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-17
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1 file changed

+132
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‎sp_BlitzLock.sql‎

Lines changed: 132 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -80,13 +80,13 @@ AS
8080
END;
8181

8282
IF @Top IS NULL
83-
SET @Top = 2147483647
83+
SET @Top = 2147483647;
8484

8585
IF @StartDate IS NULL
86-
SET @StartDate = '19000101'
86+
SET @StartDate = '19000101';
8787

8888
IF @EndDate IS NULL
89-
SET @EndDate = '99991231'
89+
SET @EndDate = '99991231';
9090

9191

9292
IF OBJECT_ID('tempdb..#deadlock_data') IS NOT NULL
@@ -113,6 +113,7 @@ AS
113113
check_id INT NOT NULL,
114114
database_name NVARCHAR(256),
115115
object_name NVARCHAR(1000),
116+
finding_group NVARCHAR(100),
116117
finding NVARCHAR(4000),
117118
query_text XML
118119
);
@@ -235,61 +236,175 @@ AS
235236
/*Begin checks based on parsed values*/
236237

237238
/*Check 1 is deadlocks by database*/
238-
INSERT #deadlock_findings ( check_id, database_name, object_name, finding, query_text )
239+
INSERT #deadlock_findings ( check_id, database_name, object_name, finding_group, finding, query_text )
239240
SELECT 1 AS check_id,
240241
DB_NAME(dow.database_id) AS database_name,
241242
NULL AS object_name,
243+
'Total database locks' AS finding_group,
242244
'This database had '
243245
+ CONVERT(NVARCHAR(20), COUNT_BIG(DISTINCT dow.owner_id))
244246
+ ' deadlocks.',
245247
NULL AS query_text
246248
FROM #deadlock_owner_waiter AS dow
247-
GROUP BY DB_NAME(dow.database_id)
249+
GROUP BY DB_NAME(dow.database_id);
248250

249251
/*Check 2 is deadlocks by object*/
250252

251-
INSERT #deadlock_findings ( check_id, database_name, object_name, finding, query_text )
253+
INSERT #deadlock_findings ( check_id, database_name, object_name, finding_group, finding, query_text )
252254
SELECT 2 AS check_id,
253255
DB_NAME(dow.database_id) AS database_name,
254256
dow.object_name AS object_name,
257+
'Total object locks' AS finding_group,
255258
'This object had '
256259
+ CONVERT(NVARCHAR(20), COUNT_BIG(DISTINCT dow.owner_id))
257260
+ ' deadlocks.',
258261
NULL AS query_text
259262
FROM #deadlock_owner_waiter AS dow
260-
GROUP BY DB_NAME(dow.database_id), dow.object_name
261-
262-
263+
GROUP BY DB_NAME(dow.database_id), dow.object_name;
264+
263265

264-
SELECT df.id, df.check_id, df.database_name, df.object_name, df.finding, df.query_text
266+
/*Check 3 looks for Serializable locking*/
267+
INSERT #deadlock_findings ( check_id, database_name, object_name, finding_group, finding, query_text )
268+
SELECT 3 AS check_id,
269+
DB_NAME(dp.database_id) AS database_name,
270+
NULL AS object_name,
271+
'Serializable locking' AS finding_group,
272+
'This database has had ' +
273+
CONVERT(NVARCHAR(20), COUNT_BIG(*)) +
274+
' instances of serializable deadlocks.'
275+
AS finding,
276+
NULL AS query_text
277+
FROM #deadlock_process AS dp
278+
WHERE dp.isolation_level LIKE 'serializable%'
279+
GROUP BY DB_NAME(dp.database_id);
280+
281+
/*Check 4 looks for Repeatable Read locking*/
282+
INSERT #deadlock_findings ( check_id, database_name, object_name, finding_group, finding, query_text )
283+
SELECT 4 AS check_id,
284+
DB_NAME(dp.database_id) AS database_name,
285+
NULL AS object_name,
286+
'Repeatable Read locking' AS finding_group,
287+
'This database has had ' +
288+
CONVERT(NVARCHAR(20), COUNT_BIG(*)) +
289+
' instances of repeatable read deadlocks.'
290+
AS finding,
291+
NULL AS query_text
292+
FROM #deadlock_process AS dp
293+
WHERE dp.isolation_level LIKE 'repeatable read%'
294+
GROUP BY DB_NAME(dp.database_id);
295+
296+
/*Check 5 breaks down app, host, and login information*/
297+
INSERT #deadlock_findings ( check_id, database_name, object_name, finding_group, finding, query_text )
298+
SELECT 5 AS check_id,
299+
DB_NAME(dp.database_id) AS database_name,
300+
NULL AS object_name,
301+
'Login, App, and Host locking' AS finding_group,
302+
'This database has had ' +
303+
CONVERT(NVARCHAR(20), COUNT_BIG(DISTINCT dp.id)) +
304+
' instances of deadlocks involving the login ' +
305+
dp.login_name +
306+
' from the application ' +
307+
dp.client_app +
308+
' on host ' +
309+
dp.host_name
310+
AS finding,
311+
NULL AS query_text
312+
FROM #deadlock_process AS dp
313+
GROUP BY DB_NAME(dp.database_id), dp.login_name, dp.client_app, dp.host_name;
314+
315+
/*Check 6 breaks down the types of locks (object, page, key, etc.)*/
316+
WITH lock_types AS (
317+
SELECT DB_NAME(dp.database_id) AS database_name,
318+
dow.object_name,
319+
SUBSTRING(dp.wait_resource, 1, CHARINDEX(':', dp.wait_resource) -1) AS lock,
320+
CONVERT(NVARCHAR(20), COUNT_BIG(DISTINCT dp.id)) AS lock_count
321+
FROM #deadlock_process AS dp
322+
JOIN #deadlock_owner_waiter AS dow
323+
ON dp.id = dow.owner_id
324+
GROUP BY DB_NAME(dp.database_id), SUBSTRING(dp.wait_resource, 1, CHARINDEX(':', dp.wait_resource) - 1), dow.object_name
325+
)
326+
INSERT #deadlock_findings ( check_id, database_name, object_name, finding_group, finding, query_text )
327+
SELECT 6 AS check_id,
328+
lock_types.database_name,
329+
lock_types.object_name,
330+
'Types of locks by object' AS finding_group,
331+
'This object has had ' +
332+
lock_types.lock_count +
333+
' ' +
334+
lock_types.lock
335+
+ ' locks',
336+
NULL AS query_text
337+
FROM lock_types;
338+
339+
/*Check 7 gives you more info queries for sp_BlitzCache */
340+
INSERT #deadlock_findings ( check_id, database_name, object_name, finding_group, finding, query_text )
341+
SELECT DISTINCT 7 AS check_id,
342+
DB_NAME(dow.database_id) AS database_name,
343+
ds.proc_name AS object_name,
344+
'More Info - Query' AS finding_group,
345+
'EXEC sp_BlitzCache ' +
346+
CASE WHEN ds.proc_name = 'adhoc'
347+
THEN ' @OnlySqlhandles = ' +
348+
QUOTENAME(ds.sql_handle, '''')
349+
ELSE '@StoredProcName = ' +
350+
QUOTENAME(ds.proc_name, '''')
351+
END +
352+
';' AS finding,
353+
NULL AS query_text
354+
FROM #deadlock_stack AS ds
355+
JOIN #deadlock_owner_waiter AS dow
356+
ON dow.owner_id = ds.id;
357+
358+
/*Check 8 gives you more info queries for sp_BlitzCache */
359+
WITH bi AS (
360+
SELECT DISTINCT
361+
dow.object_name,
362+
PARSENAME(dow.object_name, 3) AS database_name,
363+
PARSENAME(dow.object_name, 2) AS schema_name,
364+
PARSENAME(dow.object_name, 1) AS table_name
365+
FROM #deadlock_owner_waiter AS dow
366+
)
367+
INSERT #deadlock_findings ( check_id, database_name, object_name, finding_group, finding, query_text )
368+
SELECT 8 AS check_id,
369+
bi.database_name,
370+
bi.schema_name + '.' + bi.table_name,
371+
'More Info - Table' AS finding_group,
372+
'EXEC sp_BlitzIndex ' +
373+
'@DatabaseName = ' + QUOTENAME(bi.database_name, '''') +
374+
', @SchemaName = ' + QUOTENAME(bi.schema_name, '''') +
375+
', @TableName = ' + QUOTENAME(bi.table_name, '''') +
376+
';' AS finding,
377+
NULL AS query_text
378+
FROM bi;
379+
380+
SELECT df.check_id, df.database_name, df.object_name, df.finding_group, df.finding, df.query_text
265381
FROM #deadlock_findings AS df
266-
ORDER BY df.check_id
382+
ORDER BY df.check_id;
383+
267384

268385
IF @Debug = 1
269386
BEGIN
270387

271388
SELECT '#deadlock_data' AS table_name, *
272389
FROM #deadlock_data AS dd;
273390

391+
SELECT '#deadlock_resource' AS table_name, *
392+
FROM #deadlock_resource AS dr;
393+
274394
SELECT '#deadlock_owner_waiter' AS table_name, *
275395
FROM #deadlock_owner_waiter AS dow;
276396

277397
SELECT '#deadlock_process' AS table_name, *
278398
FROM #deadlock_process AS dp;
279399

280-
SELECT '#deadlock_resource' AS table_name, *
281-
FROM #deadlock_resource AS dr;
282-
283400
SELECT '#deadlock_stack' AS table_name, *
284401
FROM #deadlock_stack AS ds;
402+
285403
END; -- End debug
286404

287405
END; --Final End
288406
GO
289407

290-
EXEC dbo.sp_BlitzLock @Debug = 1;
291-
292-
293408

294409

295410

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