Added 1440, misc fixes and improvements
This commit is contained in:
Dimitri Furman
Родитель
f047b3f232
Коммит
e789c8ca23
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@ -295,7 +295,8 @@ VALUES
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(1, 1400, 'Some statistics may be out of date', 70, 'https://aka.ms/sqldbtipswiki#tip_id-1400', 'VIEW DATABASE STATE'),
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(1, 1410, 'Many tables do not have any indexes', 60, 'https://aka.ms/sqldbtipswiki#tip_id-1410', 'VIEW DATABASE STATE'),
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(1, 1420, 'Significant lock blocking has recently occurred', 70, 'https://aka.ms/sqldbtipswiki#tip_id-1420', 'VIEW SERVER STATE'),
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(1, 1430, 'The number of recent query compilations is high', 80, 'https://aka.ms/sqldbtipswiki#tip_id-1430', 'VIEW SERVER STATE')
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(1, 1430, 'The number of recent query compilations is high', 80, 'https://aka.ms/sqldbtipswiki#tip_id-1430', 'VIEW SERVER STATE'),
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(1, 1440, 'Row locks or page locks are disabled for some indexes', 90, 'https://aka.ms/sqldbtipswiki#tip_id-1440', 'VIEW DATABASE STATE')
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;
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-- Top queries
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@ -312,6 +313,17 @@ query_hash binary(8) PRIMARY KEY,
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ranked_wait_categories varchar(max) NOT NULL
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);
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DECLARE @QueryStoreTimeFrom datetimeoffset = IIF(
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(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
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DATEADD(minute, -@QueryStoreIntervalMinutes, SYSDATETIMEOFFSET()),
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@QueryStoreCustomTimeStart
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),
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@QueryStoreTimeThru datetimeoffset = IIF(
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(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
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SYSDATETIMEOFFSET(),
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@QueryStoreCustomTimeEnd
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);
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-- query wait stats aggregated by query hash and wait category
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WITH
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query_wait_stats AS
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@ -330,17 +342,9 @@ WHERE q.is_internal_query = 0
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AND
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q.is_clouddb_internal_query = 0
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AND
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rsi.start_time >= IIF(
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(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
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DATEADD(minute, -@QueryStoreIntervalMinutes, SYSDATETIMEOFFSET()),
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@QueryStoreCustomTimeStart
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)
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rsi.start_time >= @QueryStoreTimeFrom
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AND
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rsi.start_time <= IIF(
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(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
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SYSDATETIMEOFFSET(),
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@QueryStoreCustomTimeEnd
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)
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rsi.start_time <= @QueryStoreTimeThru
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GROUP BY q.query_hash,
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ws.wait_category_desc
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),
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@ -404,17 +408,9 @@ WHERE q.is_internal_query = 0
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AND
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q.is_clouddb_internal_query = 0
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AND
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rsi.start_time >= IIF(
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(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
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DATEADD(minute, -@QueryStoreIntervalMinutes, SYSDATETIMEOFFSET()),
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@QueryStoreCustomTimeStart
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)
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rsi.start_time >= @QueryStoreTimeFrom
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AND
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rsi.start_time <= IIF(
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(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
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SYSDATETIMEOFFSET(),
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@QueryStoreCustomTimeEnd
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)
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rsi.start_time <= @QueryStoreTimeThru
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GROUP BY q.query_hash
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),
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-- rank queries along multiple dimensions (cpu, duration, etc.), without ties
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@ -877,6 +873,8 @@ INSERT INTO @DetectedTip (tip_id, details)
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SELECT 1100 AS tip_id,
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CONCAT(
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@NbspCRLF,
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'Total indexes: ', FORMAT(COUNT(1), '#,0'),
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@CRLF,
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STRING_AGG(
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CAST(CONCAT(
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'schema: ', schema_name,
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@ -884,9 +882,7 @@ SELECT 1100 AS tip_id,
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', object size (MB): ', FORMAT(object_size_mb, '#,0.00'),
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', object row count: ', FORMAT(object_row_count, '#,0'),
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', index: ', index_name,
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', type: ', index_type,
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', object_id: ', CAST(object_id AS varchar(11)),
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', index_id: ', CAST(index_id AS varchar(11))
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', type: ', index_type
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) AS nvarchar(max)), @CRLF
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),
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@CRLF
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@ -1153,6 +1149,8 @@ INSERT INTO @DetectedTip (tip_id, details)
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SELECT 1280 AS tip_id,
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CONCAT(
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@NbspCRLF,
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'Total resumable index operations: ', FORMAT(COUNT(1), '#,0'),
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@CRLF,
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STRING_AGG(
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CAST(CONCAT(
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'schema name: ', QUOTENAME(schema_name) COLLATE DATABASE_DEFAULT, @CRLF,
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@ -1276,6 +1274,8 @@ INSERT INTO @DetectedTip (tip_id, details)
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SELECT 1310 AS tip_id,
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CONCAT(
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@NbspCRLF,
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'Total partitions: ', FORMAT(COUNT(1), '#,0'),
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@CRLF,
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STRING_AGG(
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CAST(CONCAT(
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'schema: ', schema_name, ', ',
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@ -1418,8 +1418,8 @@ INSERT INTO @DetectedTip (tip_id, details)
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SELECT 1400 AS tip_id,
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CONCAT(
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@NbspCRLF,
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'Total potentially out of date statistics: ', COUNT(1),
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REPLICATE(@CRLF, 2),
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'Total potentially out of date statistics: ', FORMAT(COUNT(1), '#,0'),
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@CRLF,
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STRING_AGG(
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CAST(CONCAT(
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schema_name, '.',
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@ -1512,18 +1512,18 @@ INSERT INTO @DetectedTip (tip_id, details)
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SELECT 1410 AS tip_id,
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CONCAT(
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@NbspCRLF,
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'total tables: ', FORMAT(COUNT(1), '#,0'),
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'Total tables: ', FORMAT(COUNT(1), '#,0'),
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@CRLF,
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'tables with ', FORMAT(@NoIndexTablesMinRowCountThreshold, '#,0'),
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' or more rows and no indexes: ', FORMAT(SUM(no_index_indicator), '#,0'),
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@CRLF, @CRLF,
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STRING_AGG(
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STRING_AGG(CAST(
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IIF(
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no_index_indicator = 1,
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CONCAT(
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schema_name, '.', table_name
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),
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CONCAT(schema_name, '.', table_name),
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NULL
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)
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AS nvarchar(max)
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),
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@CRLF
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),
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@ -1542,6 +1542,74 @@ BEGIN CATCH
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THROW;
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END CATCH;
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-- Disabled page or row locks
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IF EXISTS (SELECT 1 FROM @TipDefinition WHERE tip_id IN (1440) AND execute_indicator = 1)
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BEGIN TRY
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WITH lock_index AS
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(
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SELECT QUOTENAME(OBJECT_SCHEMA_NAME(o.object_id)) COLLATE DATABASE_DEFAULT AS schema_name,
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QUOTENAME(o.name) COLLATE DATABASE_DEFAULT AS object_name,
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QUOTENAME(i.name) COLLATE DATABASE_DEFAULT AS index_name,
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i.allow_row_locks,
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i.allow_page_locks
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FROM sys.indexes AS i
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INNER JOIN sys.objects AS o
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ON i.object_id = o.object_id
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WHERE o.is_ms_shipped = 0
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AND
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i.is_hypothetical = 0
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AND
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i.type_desc NOT IN ('CLUSTERED COLUMNSTORE','NONCLUSTERED COLUMNSTORE')
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AND
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(
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i.allow_row_locks = 0
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OR
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i.allow_page_locks = 0
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)
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),
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index_agg AS
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(
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SELECT STRING_AGG(
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CAST(CONCAT(
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schema_name, '.',
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object_name, '.',
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index_name,
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': ',
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CONCAT_WS(
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', ',
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IIF(allow_row_locks = 0, 'row locks disabled', NULL),
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IIF(allow_page_locks = 0, 'page locks disabled', NULL)
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)
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) AS nvarchar(max)), @CRLF
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)
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AS details,
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COUNT(1) AS index_count
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FROM lock_index
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HAVING COUNT(1) > 0
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)
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INSERT INTO @DetectedTip (tip_id, details)
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SELECT 1440 AS tip_id,
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CONCAT(
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@NbspCRLF,
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'Total indexes: ', FORMAT(index_count, '#,0'),
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@CRLF,
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ia.details,
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@CRLF
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) AS details
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FROM index_agg AS ia
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WHERE ia.details IS NOT NULL;
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END TRY
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BEGIN CATCH
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IF ERROR_NUMBER() = 1222
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INSERT INTO @SkippedTip (tip_id)
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VALUES (1440);
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ELSE
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THROW;
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END CATCH;
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-- When not running as server admin and without membership in ##MS_ServerStateReader## we do not have
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-- VIEW DATABASE STATE on tempdb, which is required to execute tempdb.sys.sp_spaceused
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-- and query tempdb.sys.dm_db_log_space_usage to determine tempdb used data and log space.
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@ -1779,7 +1847,22 @@ IF EXISTS (SELECT 1 FROM @TipDefinition WHERE tip_id IN (1170) AND execute_indic
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BEGIN TRY
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WITH index_usage AS
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WITH index_size AS
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(
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SELECT p.object_id,
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p.index_id,
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SUM(ps.used_page_count) * 8 / 1024. AS total_index_size_mb
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FROM sys.partitions AS p
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INNER JOIN sys.dm_db_partition_stats AS ps
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ON p.partition_id = ps.partition_id
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AND
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p.object_id = ps.object_id
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AND
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p.index_id = ps.index_id
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GROUP BY p.object_id,
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p.index_id
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),
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index_usage AS
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(
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SELECT QUOTENAME(OBJECT_SCHEMA_NAME(o.object_id)) COLLATE DATABASE_DEFAULT AS schema_name,
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QUOTENAME(o.name) COLLATE DATABASE_DEFAULT AS object_name,
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@ -1787,12 +1870,17 @@ SELECT QUOTENAME(OBJECT_SCHEMA_NAME(o.object_id)) COLLATE DATABASE_DEFAULT AS sc
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ius.user_seeks,
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ius.user_scans,
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ius.user_lookups,
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ius.user_updates
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ius.user_updates,
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ins.total_index_size_mb
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FROM sys.dm_db_index_usage_stats AS ius
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INNER JOIN sys.indexes AS i
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ON ius.object_id = i.object_id
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AND
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ius.index_id = i.index_id
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INNER JOIN index_size AS ins
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ON i.object_id = ins.object_id
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AND
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i.index_id = ins.index_id
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INNER JOIN sys.objects AS o
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ON i.object_id = o.object_id
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AND
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@ -1818,10 +1906,11 @@ SELECT STRING_AGG(
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schema_name, '.',
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object_name, '.',
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index_name,
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' (reads: ', FORMAT(user_seeks + user_scans + user_lookups, '#,0'), ' writes: ', FORMAT(user_updates, '#,0'), ')'
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' (reads: ', FORMAT(user_seeks + user_scans + user_lookups, '#,0'), ' | writes: ', FORMAT(user_updates, '#,0'), ' | size (MB): ', FORMAT(total_index_size_mb, '#,0.00'), ')'
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) AS nvarchar(max)), @CRLF
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)
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AS details
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AS details,
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COUNT(1) AS index_count
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FROM index_usage
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HAVING COUNT(1) > 0
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)
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@ -1831,6 +1920,8 @@ SELECT 1170 AS tip_id,
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@NbspCRLF,
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'Since database engine startup at ', CONVERT(varchar(20), si.sqlserver_start_time, 120),
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' UTC:',
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REPLICATE(@CRLF, 2),
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'Total indexes: ', FORMAT(index_count, '#,0'),
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@CRLF,
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iua.details,
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@CRLF
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@ -2081,7 +2172,8 @@ SELECT STRING_AGG(
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', avg user impact: ', gs.avg_user_impact, '%.'
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) AS nvarchar(max)), @CRLF
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)
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AS details
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AS details,
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COUNT(1) AS index_count
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FROM sys.dm_db_missing_index_group_stats AS gs
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INNER JOIN sys.dm_db_missing_index_groups AS g
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ON gs.group_handle = g.index_group_handle
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@ -2096,6 +2188,8 @@ SELECT 1210 AS tip_id,
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@NbspCRLF,
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'Since database engine startup at ', CONVERT(varchar(20), si.sqlserver_start_time, 120),
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' UTC:',
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REPLICATE(@CRLF, 2),
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'Total indexes: ', FORMAT(index_count, '#,0'),
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@CRLF,
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mia.details,
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@CRLF
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@ -2732,7 +2826,8 @@ SELECT STRING_AGG(
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'lookups: ', FORMAT(lookup_count, '#,0')
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) AS nvarchar(max)), @CRLF
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)
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AS details
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AS details,
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COUNT(1) AS cci_candidate_count
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FROM cci_candidate_table
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)
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INSERT INTO @DetectedTip (tip_id, details)
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@ -2741,6 +2836,8 @@ SELECT 1290 AS tip_id,
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@NbspCRLF,
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'Since database engine startup at ', CONVERT(varchar(20), si.sqlserver_start_time, 120),
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' UTC:',
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REPLICATE(@CRLF, 2),
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'Total CCI candidates: ', FORMAT(cci_candidate_count, '#,0'),
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@CRLF,
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ccd.details,
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@CRLF
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@ -2917,7 +3014,7 @@ DECLARE @crb TABLE (
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-- stage XML in a table variable to enable parallelism when processing XQuery expressions
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WITH crb AS
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(
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SELECT DATEADD(millisecond, -1 * (si.cpu_ticks/(si.cpu_ticks/si.ms_ticks) - rb.timestamp), CURRENT_TIMESTAMP) AS event_time,
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SELECT DATEADD(second, -0.001 * (si.cpu_ticks/(si.cpu_ticks/si.ms_ticks) - rb.timestamp), CURRENT_TIMESTAMP) AS event_time,
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TRY_CAST(rb.record AS XML) AS record
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FROM sys.dm_os_ring_buffers AS rb
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CROSS JOIN sys.dm_os_sys_info AS si
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@ -3102,7 +3199,7 @@ SELECT MIN(snapshot_time) AS min_snapshot_time,
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MIN(blocked_task_count) AS min_blocked_task_count,
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MAX(blocked_task_count) AS max_blocked_task_count,
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SUM(delta_lock_wait_count) AS total_lock_waits,
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SUM(delta_lock_wait_time_ms) / 1000. AS total_lock_wait_time_seconds
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SUM(delta_lock_wait_time_ms) AS total_lock_wait_time_milliseconds
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FROM pre_packed_blocking_snapshot
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WHERE blocking_indicator = 1
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GROUP BY grouping_helper
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@ -3118,7 +3215,7 @@ SELECT 1420 AS tip_id,
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'Interval start time: ', FORMAT(DATEADD(millisecond, -avg_snapshot_interval_duration_ms, min_snapshot_time), 's'),
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', end time: ', FORMAT(max_snapshot_time, 's'),
|
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', duration: ', DATEADD(second, DATEDIFF(second, DATEADD(millisecond, -avg_snapshot_interval_duration_ms, min_snapshot_time), max_snapshot_time), CAST('00:00:00' AS time(0))),
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', total lock wait time: ', DATEADD(second, total_lock_wait_time_seconds, CAST('00:00:00' AS time(0))),
|
||||
', total lock wait time: ', DATEADD(millisecond, total_lock_wait_time_milliseconds, CAST('00:00:00' AS time(3))),
|
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', minimum observed blocked tasks: ', FORMAT(min_blocked_task_count, '#,0'),
|
||||
', maximum observed blocked tasks: ', FORMAT(max_blocked_task_count, '#,0'),
|
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', total lock waits: ', FORMAT(total_lock_waits, '#,0')
|
||||
|
|
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|
|
@ -283,7 +283,8 @@ VALUES
|
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(1, 1400, 'Some statistics may be out of date', 70, 'https://aka.ms/sqldbtipswiki#tip_id-1400', 'VIEW DATABASE STATE'),
|
||||
(1, 1410, 'Many tables do not have any indexes', 60, 'https://aka.ms/sqldbtipswiki#tip_id-1410', 'VIEW DATABASE STATE'),
|
||||
(1, 1420, 'Significant lock blocking has recently occurred', 70, 'https://aka.ms/sqldbtipswiki#tip_id-1420', 'VIEW SERVER STATE'),
|
||||
(1, 1430, 'The number of recent query compilations is high', 80, 'https://aka.ms/sqldbtipswiki#tip_id-1430', 'VIEW SERVER STATE')
|
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(1, 1430, 'The number of recent query compilations is high', 80, 'https://aka.ms/sqldbtipswiki#tip_id-1430', 'VIEW SERVER STATE'),
|
||||
(1, 1440, 'Row locks or page locks are disabled for some indexes', 90, 'https://aka.ms/sqldbtipswiki#tip_id-1440', 'VIEW DATABASE STATE')
|
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;
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|
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-- Top queries
|
||||
|
|
@ -300,6 +301,17 @@ query_hash binary(8) PRIMARY KEY,
|
|||
ranked_wait_categories varchar(max) NOT NULL
|
||||
);
|
||||
|
||||
DECLARE @QueryStoreTimeFrom datetimeoffset = IIF(
|
||||
(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
|
||||
DATEADD(minute, -@QueryStoreIntervalMinutes, SYSDATETIMEOFFSET()),
|
||||
@QueryStoreCustomTimeStart
|
||||
),
|
||||
@QueryStoreTimeThru datetimeoffset = IIF(
|
||||
(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
|
||||
SYSDATETIMEOFFSET(),
|
||||
@QueryStoreCustomTimeEnd
|
||||
);
|
||||
|
||||
-- query wait stats aggregated by query hash and wait category
|
||||
WITH
|
||||
query_wait_stats AS
|
||||
|
|
@ -318,17 +330,9 @@ WHERE q.is_internal_query = 0
|
|||
AND
|
||||
q.is_clouddb_internal_query = 0
|
||||
AND
|
||||
rsi.start_time >= IIF(
|
||||
(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
|
||||
DATEADD(minute, -@QueryStoreIntervalMinutes, SYSDATETIMEOFFSET()),
|
||||
@QueryStoreCustomTimeStart
|
||||
)
|
||||
rsi.start_time >= @QueryStoreTimeFrom
|
||||
AND
|
||||
rsi.start_time <= IIF(
|
||||
(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
|
||||
SYSDATETIMEOFFSET(),
|
||||
@QueryStoreCustomTimeEnd
|
||||
)
|
||||
rsi.start_time <= @QueryStoreTimeThru
|
||||
GROUP BY q.query_hash,
|
||||
ws.wait_category_desc
|
||||
),
|
||||
|
|
@ -393,17 +397,9 @@ WHERE q.is_internal_query = 0
|
|||
AND
|
||||
q.is_clouddb_internal_query = 0
|
||||
AND
|
||||
rsi.start_time >= IIF(
|
||||
(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
|
||||
DATEADD(minute, -@QueryStoreIntervalMinutes, SYSDATETIMEOFFSET()),
|
||||
@QueryStoreCustomTimeStart
|
||||
)
|
||||
rsi.start_time >= @QueryStoreTimeFrom
|
||||
AND
|
||||
rsi.start_time <= IIF(
|
||||
(@QueryStoreCustomTimeStart IS NULL OR @QueryStoreCustomTimeEnd IS NULL) AND @QueryStoreIntervalMinutes IS NOT NULL,
|
||||
SYSDATETIMEOFFSET(),
|
||||
@QueryStoreCustomTimeEnd
|
||||
)
|
||||
rsi.start_time <= @QueryStoreTimeThru
|
||||
GROUP BY q.query_hash
|
||||
),
|
||||
-- rank queries along multiple dimensions (cpu, duration, etc.), without ties
|
||||
|
|
@ -867,6 +863,8 @@ INSERT INTO @DetectedTip (tip_id, details)
|
|||
SELECT 1100 AS tip_id,
|
||||
CONCAT(
|
||||
@NbspCRLF,
|
||||
'Total indexes: ', FORMAT(COUNT(1), '#,0'),
|
||||
@CRLF,
|
||||
STRING_AGG(
|
||||
CAST(CONCAT(
|
||||
'schema: ', schema_name,
|
||||
|
|
@ -874,9 +872,7 @@ SELECT 1100 AS tip_id,
|
|||
', object size (MB): ', FORMAT(object_size_mb, '#,0.00'),
|
||||
', object row count: ', FORMAT(object_row_count, '#,0'),
|
||||
', index: ', index_name,
|
||||
', type: ', index_type,
|
||||
', object_id: ', CAST(object_id AS varchar(11)),
|
||||
', index_id: ', CAST(index_id AS varchar(11))
|
||||
', type: ', index_type
|
||||
) AS nvarchar(max)), @CRLF
|
||||
)
|
||||
WITHIN GROUP (ORDER BY schema_name, object_name, index_type, index_name),
|
||||
|
|
@ -1145,6 +1141,8 @@ INSERT INTO @DetectedTip (tip_id, details)
|
|||
SELECT 1280 AS tip_id,
|
||||
CONCAT(
|
||||
@NbspCRLF,
|
||||
'Total resumable index operations: ', FORMAT(COUNT(1), '#,0'),
|
||||
@CRLF,
|
||||
STRING_AGG(
|
||||
CAST(CONCAT(
|
||||
'schema name: ', QUOTENAME(schema_name) COLLATE DATABASE_DEFAULT, @CRLF,
|
||||
|
|
@ -1270,6 +1268,8 @@ INSERT INTO @DetectedTip (tip_id, details)
|
|||
SELECT 1310 AS tip_id,
|
||||
CONCAT(
|
||||
@NbspCRLF,
|
||||
'Total partitions: ', FORMAT(COUNT(1), '#,0'),
|
||||
@CRLF,
|
||||
STRING_AGG(
|
||||
CAST(CONCAT(
|
||||
'schema: ', schema_name, ', ',
|
||||
|
|
@ -1413,8 +1413,8 @@ INSERT INTO @DetectedTip (tip_id, details)
|
|||
SELECT 1400 AS tip_id,
|
||||
CONCAT(
|
||||
@NbspCRLF,
|
||||
'Total potentially out of date statistics: ', COUNT(1),
|
||||
REPLICATE(@CRLF, 2),
|
||||
'Total potentially out of date statistics: ', FORMAT(COUNT(1), '#,0'),
|
||||
@CRLF,
|
||||
STRING_AGG(
|
||||
CAST(CONCAT(
|
||||
schema_name, '.',
|
||||
|
|
@ -1507,7 +1507,7 @@ INSERT INTO @DetectedTip (tip_id, details)
|
|||
SELECT 1410 AS tip_id,
|
||||
CONCAT(
|
||||
@NbspCRLF,
|
||||
'total tables: ', FORMAT(COUNT(1), '#,0'),
|
||||
'Total tables: ', FORMAT(COUNT(1), '#,0'),
|
||||
@CRLF,
|
||||
'tables with ', FORMAT(@NoIndexTablesMinRowCountThreshold, '#,0'),
|
||||
' or more rows and no indexes: ', FORMAT(SUM(no_index_indicator), '#,0'),
|
||||
|
|
@ -1537,6 +1537,74 @@ BEGIN CATCH
|
|||
THROW;
|
||||
END CATCH;
|
||||
|
||||
-- Disabled page or row locks
|
||||
IF EXISTS (SELECT 1 FROM @TipDefinition WHERE tip_id IN (1440) AND execute_indicator = 1)
|
||||
|
||||
BEGIN TRY
|
||||
|
||||
WITH lock_index AS
|
||||
(
|
||||
SELECT QUOTENAME(OBJECT_SCHEMA_NAME(o.object_id)) COLLATE DATABASE_DEFAULT AS schema_name,
|
||||
QUOTENAME(o.name) COLLATE DATABASE_DEFAULT AS object_name,
|
||||
QUOTENAME(i.name) COLLATE DATABASE_DEFAULT AS index_name,
|
||||
i.allow_row_locks,
|
||||
i.allow_page_locks
|
||||
FROM sys.indexes AS i
|
||||
INNER JOIN sys.objects AS o
|
||||
ON i.object_id = o.object_id
|
||||
WHERE o.is_ms_shipped = 0
|
||||
AND
|
||||
i.is_hypothetical = 0
|
||||
AND
|
||||
i.type_desc NOT IN ('CLUSTERED COLUMNSTORE','NONCLUSTERED COLUMNSTORE')
|
||||
AND
|
||||
(
|
||||
i.allow_row_locks = 0
|
||||
OR
|
||||
i.allow_page_locks = 0
|
||||
)
|
||||
),
|
||||
index_agg AS
|
||||
(
|
||||
SELECT STRING_AGG(
|
||||
CAST(CONCAT(
|
||||
schema_name, '.',
|
||||
object_name, '.',
|
||||
index_name,
|
||||
': ',
|
||||
CONCAT_WS(
|
||||
', ',
|
||||
IIF(allow_row_locks = 0, 'row locks disabled', NULL),
|
||||
IIF(allow_page_locks = 0, 'page locks disabled', NULL)
|
||||
)
|
||||
) AS nvarchar(max)), @CRLF
|
||||
) WITHIN GROUP (ORDER BY schema_name, object_name, index_name)
|
||||
AS details,
|
||||
COUNT(1) AS index_count
|
||||
FROM lock_index
|
||||
HAVING COUNT(1) > 0
|
||||
)
|
||||
INSERT INTO @DetectedTip (tip_id, details)
|
||||
SELECT 1440 AS tip_id,
|
||||
CONCAT(
|
||||
@NbspCRLF,
|
||||
'Total indexes: ', FORMAT(index_count, '#,0'),
|
||||
@CRLF,
|
||||
ia.details,
|
||||
@CRLF
|
||||
) AS details
|
||||
FROM index_agg AS ia
|
||||
WHERE ia.details IS NOT NULL;
|
||||
|
||||
END TRY
|
||||
BEGIN CATCH
|
||||
IF ERROR_NUMBER() = 1222
|
||||
INSERT INTO @SkippedTip (tip_id)
|
||||
VALUES (1440);
|
||||
ELSE
|
||||
THROW;
|
||||
END CATCH;
|
||||
|
||||
-- When not running as server admin and without membership in ##MS_ServerStateReader## we do not have
|
||||
-- VIEW DATABASE STATE on tempdb, which is required to execute tempdb.sys.sp_spaceused
|
||||
-- and query tempdb.sys.dm_db_log_space_usage to determine tempdb used data and log space.
|
||||
|
|
@ -1774,7 +1842,22 @@ IF EXISTS (SELECT 1 FROM @TipDefinition WHERE tip_id IN (1170) AND execute_indic
|
|||
|
||||
BEGIN TRY
|
||||
|
||||
WITH index_usage AS
|
||||
WITH index_size AS
|
||||
(
|
||||
SELECT p.object_id,
|
||||
p.index_id,
|
||||
SUM(ps.used_page_count) * 8 / 1024. AS total_index_size_mb
|
||||
FROM sys.partitions AS p
|
||||
INNER JOIN sys.dm_db_partition_stats AS ps
|
||||
ON p.partition_id = ps.partition_id
|
||||
AND
|
||||
p.object_id = ps.object_id
|
||||
AND
|
||||
p.index_id = ps.index_id
|
||||
GROUP BY p.object_id,
|
||||
p.index_id
|
||||
),
|
||||
index_usage AS
|
||||
(
|
||||
SELECT QUOTENAME(OBJECT_SCHEMA_NAME(o.object_id)) COLLATE DATABASE_DEFAULT AS schema_name,
|
||||
QUOTENAME(o.name) COLLATE DATABASE_DEFAULT AS object_name,
|
||||
|
|
@ -1782,12 +1865,17 @@ SELECT QUOTENAME(OBJECT_SCHEMA_NAME(o.object_id)) COLLATE DATABASE_DEFAULT AS sc
|
|||
ius.user_seeks,
|
||||
ius.user_scans,
|
||||
ius.user_lookups,
|
||||
ius.user_updates
|
||||
ius.user_updates,
|
||||
ins.total_index_size_mb
|
||||
FROM sys.dm_db_index_usage_stats AS ius
|
||||
INNER JOIN sys.indexes AS i
|
||||
ON ius.object_id = i.object_id
|
||||
AND
|
||||
ius.index_id = i.index_id
|
||||
INNER JOIN index_size AS ins
|
||||
ON i.object_id = ins.object_id
|
||||
AND
|
||||
i.index_id = ins.index_id
|
||||
INNER JOIN sys.objects AS o
|
||||
ON i.object_id = o.object_id
|
||||
AND
|
||||
|
|
@ -1813,10 +1901,11 @@ SELECT STRING_AGG(
|
|||
schema_name, '.',
|
||||
object_name, '.',
|
||||
index_name,
|
||||
' (reads: ', FORMAT(user_seeks + user_scans + user_lookups, '#,0'), ' writes: ', FORMAT(user_updates, '#,0'), ')'
|
||||
' (reads: ', FORMAT(user_seeks + user_scans + user_lookups, '#,0'), ' | writes: ', FORMAT(user_updates, '#,0'), ' | size (MB): ', FORMAT(total_index_size_mb, '#,0.00'), ')'
|
||||
) AS nvarchar(max)), @CRLF
|
||||
) WITHIN GROUP (ORDER BY schema_name, object_name, index_name)
|
||||
AS details
|
||||
AS details,
|
||||
COUNT(1) AS index_count
|
||||
FROM index_usage
|
||||
HAVING COUNT(1) > 0
|
||||
)
|
||||
|
|
@ -1826,6 +1915,8 @@ SELECT 1170 AS tip_id,
|
|||
@NbspCRLF,
|
||||
'Since database engine startup at ', CONVERT(varchar(20), si.sqlserver_start_time, 120),
|
||||
' UTC:',
|
||||
REPLICATE(@CRLF, 2),
|
||||
'Total indexes: ', FORMAT(index_count, '#,0'),
|
||||
@CRLF,
|
||||
iua.details,
|
||||
@CRLF
|
||||
|
|
@ -2078,7 +2169,8 @@ SELECT STRING_AGG(
|
|||
) AS nvarchar(max)), @CRLF
|
||||
)
|
||||
WITHIN GROUP (ORDER BY avg_user_impact DESC, statement)
|
||||
AS details
|
||||
AS details,
|
||||
COUNT(1) AS index_count
|
||||
FROM sys.dm_db_missing_index_group_stats AS gs
|
||||
INNER JOIN sys.dm_db_missing_index_groups AS g
|
||||
ON gs.group_handle = g.index_group_handle
|
||||
|
|
@ -2093,6 +2185,8 @@ SELECT 1210 AS tip_id,
|
|||
@NbspCRLF,
|
||||
'Since database engine startup at ', CONVERT(varchar(20), si.sqlserver_start_time, 120),
|
||||
' UTC:',
|
||||
REPLICATE(@CRLF, 2),
|
||||
'Total indexes: ', FORMAT(index_count, '#,0'),
|
||||
@CRLF,
|
||||
mia.details,
|
||||
@CRLF
|
||||
|
|
@ -2730,7 +2824,8 @@ SELECT STRING_AGG(
|
|||
) AS nvarchar(max)), @CRLF
|
||||
)
|
||||
WITHIN GROUP (ORDER BY schema_name, table_name)
|
||||
AS details
|
||||
AS details,
|
||||
COUNT(1) AS cci_candidate_count
|
||||
FROM cci_candidate_table
|
||||
)
|
||||
INSERT INTO @DetectedTip (tip_id, details)
|
||||
|
|
@ -2739,6 +2834,8 @@ SELECT 1290 AS tip_id,
|
|||
@NbspCRLF,
|
||||
'Since database engine startup at ', CONVERT(varchar(20), si.sqlserver_start_time, 120),
|
||||
' UTC:',
|
||||
REPLICATE(@CRLF, 2),
|
||||
'Total CCI candidates: ', FORMAT(cci_candidate_count, '#,0'),
|
||||
@CRLF,
|
||||
ccd.details,
|
||||
@CRLF
|
||||
|
|
@ -3100,7 +3197,7 @@ SELECT MIN(snapshot_time) AS min_snapshot_time,
|
|||
MIN(blocked_task_count) AS min_blocked_task_count,
|
||||
MAX(blocked_task_count) AS max_blocked_task_count,
|
||||
SUM(delta_lock_wait_count) AS total_lock_waits,
|
||||
SUM(delta_lock_wait_time_ms) / 1000. AS total_lock_wait_time_seconds
|
||||
SUM(delta_lock_wait_time_ms) AS total_lock_wait_time_milliseconds
|
||||
FROM pre_packed_blocking_snapshot
|
||||
WHERE blocking_indicator = 1
|
||||
GROUP BY grouping_helper
|
||||
|
|
@ -3116,7 +3213,7 @@ SELECT 1420 AS tip_id,
|
|||
'Interval start time: ', FORMAT(DATEADD(millisecond, -avg_snapshot_interval_duration_ms, min_snapshot_time), 's'),
|
||||
', end time: ', FORMAT(max_snapshot_time, 's'),
|
||||
', duration: ', DATEADD(second, DATEDIFF(second, DATEADD(millisecond, -avg_snapshot_interval_duration_ms, min_snapshot_time), max_snapshot_time), CAST('00:00:00' AS time(0))),
|
||||
', total lock wait time: ', DATEADD(second, total_lock_wait_time_seconds, CAST('00:00:00' AS time(0))),
|
||||
', total lock wait time: ', DATEADD(millisecond, total_lock_wait_time_milliseconds, CAST('00:00:00' AS time(3))),
|
||||
', minimum observed blocked tasks: ', FORMAT(min_blocked_task_count, '#,0'),
|
||||
', maximum observed blocked tasks: ', FORMAT(max_blocked_task_count, '#,0'),
|
||||
', total lock waits: ', FORMAT(total_lock_waits, '#,0')
|
||||
|
|
|
|||
Загрузка…
Ссылка в новой задаче