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Commit d73e1ca

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Adds count of plans to the percentages line
1 parent 6a3f342 commit d73e1ca

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1 file changed

+11
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‎sp_BlitzCache.sql‎

Lines changed: 11 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1134,6 +1134,7 @@ CREATE TABLE #plan_creation
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percent_24 DECIMAL(5, 2),
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percent_4 DECIMAL(5, 2),
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percent_1 DECIMAL(5, 2),
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total_plans INT,
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SPID INT
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);
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@@ -1186,10 +1187,11 @@ SELECT SUM(CASE WHEN DATEDIFF(HOUR, deqs.creation_time, SYSDATETIME()) <= 24 THE
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COUNT(deqs.creation_time) AS [total_plans]
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FROM sys.dm_exec_query_stats AS deqs
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)
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INSERT INTO #plan_creation
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INSERT INTO #plan_creation ( percent_24, percent_4, percent_1, total_plans, SPID )
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SELECT CONVERT(DECIMAL(3,2), NULLIF(x.plans_24, 0) / (1. * NULLIF(x.total_plans, 0))) * 100 AS [percent_24],
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CONVERT(DECIMAL(3,2), NULLIF(x.plans_4 , 0) / (1. * NULLIF(x.total_plans, 0))) * 100 AS [percent_4],
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CONVERT(DECIMAL(3,2), NULLIF(x.plans_1 , 0) / (1. * NULLIF(x.total_plans, 0))) * 100 AS [percent_1],
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x.total_plans,
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@@SPID AS SPID
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FROM x
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OPTION (RECOMPILE) ;
@@ -4775,7 +4777,14 @@ BEGIN
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999,
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254,
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'Plan Cache Information',
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'You have ' + CONVERT(NVARCHAR(10), ISNULL(p.percent_24, 0)) + '% plans created in the past 24 hours, ' + CONVERT(NVARCHAR(10), ISNULL(p.percent_4, 0)) + '% created in the past 4 hours, and ' + CONVERT(NVARCHAR(10), ISNULL(p.percent_1, 0)) + '% created in the past 1 hour.',
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'You have ' + CONVERT(NVARCHAR(10), ISNULL(p.total_plans, 0))
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+ ' total plans in your cache, with '
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+ CONVERT(NVARCHAR(10), ISNULL(p.percent_24, 0))
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+ '% plans created in the past 24 hours, '
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+ CONVERT(NVARCHAR(10), ISNULL(p.percent_4, 0))
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+ '% created in the past 4 hours, and '
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+ CONVERT(NVARCHAR(10), ISNULL(p.percent_1, 0))
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+ '% created in the past 1 hour.',
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'',
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'If these percentages are high, it may be a sign of memory pressure or plan cache instability.'
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FROM #plan_creation p ;

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