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ื‘ื“ื™ืงืช ื ื™ืฆื•ืœ ื”ื ืคื— ืฉืœ tempdb


ืขื“ื™ ื›ื”ืŸ

ืžื•ืžื—ื” SQL Server ื‘ืขืœ ื›-15 ืฉื ื•ืช ื ื™ืกื™ื•ืŸ ืžื’ื•ื•ืŸ ื‘ืชื—ื•ื. ืจ"ืฆ DBA ื‘ื—ื‘ืจื” ืœืžืกื—ืจ ืคื™ื ื ืกื™ ื‘ืื™ื ื˜ืจื ื˜ ืžื˜ืขื ื ืื™ื” ื˜ื›ื ื•ืœื•ื’ื™ื•ืช.

ื‘ืชื—ื™ืœืช ื™ื•ื ืขื‘ื•ื“ื” ืื—ื“, ืงื™ื‘ืœืชื™ ื”ืชืจืขื” ืขืœ ื—ื•ืกืจ ืžืงื•ื ื‘ืื—ื“ ื”ื“ื™ืกืงื™ื ืฉืœ ืื—ื“ ื”ืฉืจืชื™ื ืฉืœื ื•. ื‘ื‘ื“ื™ืงื” ืžื”ื™ืจื” ืฉืขืฉื™ืชื™, ืจืื™ืชื™, ืฉืื›ืŸ ืื—ื“ ืžืงื‘ืฆื™ tempdb, ื’ื“ืœ ืžืื“ ื‘ืžื”ืœืš ื”ื™ืžื™ื ื”ืื—ืจื•ื ื™ื. ืžืื—ืจ ืฉืžื“ื•ื‘ืจ ื‘ืฉืจืช ืคื™ืชื•ื—, ื”ื ื—ืชื™ ืฉืžื“ื•ื‘ืจ ื‘ืชื”ืœื™ืš ืฉื‘ื ื” ื˜ื‘ืœื” ื–ืžื ื™ืช (ืขื ืงื™ืช), ืื‘ืœ ืกื™ื™ื ืœืจื•ืฅ ื•ืคื™ื ื” ืืช ื”ืฉื˜ื—.

ื ื™ืกื™ืชื™ ืœื›ื•ื•ืฅ ืืช ื”ืงื•ื‘ืฅ ืข"ื™ ื”ืคืงื•ื“ื” dbcc shrinkfile. ื”ืคืงื•ื“ื” ืจืฆื” ืœืœื ื‘ืขื™ื”, ืื‘ืœ ื’ื•ื“ืœื• ืฉืœ tempdb ืœื ื”ืฉืชื ื”. ื‘ืฉืœื‘ ื”ื–ื” ื”ื—ืœื˜ืชื™ ืœืจืื•ืช ืžื”ื ื’ื•ื“ืœื™ ื”ืงื‘ืฆื™ื ืฉืœ tempdb ื•ื›ืžื” ืžื ืคื—ื ืื›ืŸ ืชืคื•ืก ืข"ื™ ื ืชื•ื ื™ื.

ืืช ื”ืžื™ื“ืข ื”ื–ื” ืืคืฉืจ ืœืงื‘ืœ ื‘ืืžืฆืขื•ืช ื”ืฉืื™ืœืชื” ื”ื‘ื:

USE [tempdb]

GO

SELECT mf.file_id,

df.name as LogicalName ,

mf.type_desc,

FILEPROPERTY(df.name,'SpaceUsed')*8/1024.0 as SpaceUsedMB,

(df.size-FILEPROPERTY(df.name,'SpaceUsed'))*8/1024.0 as AvailableSpaceMB,

df.size * 8/1024.0 CurrentSizeMB, mf.size * 8/1024.0 as InitialSize_MB,

LTRIM(CASE mf.is_percent_growth

WHEN 1 THEN STR(mf.growth) +' %'

ELSE STR(mf.growth*8/1024.0) +' MB'

END) as AutoGrow

FROM sys.master_files

mf INNER JOIN sys.database_files df

ON mf.file_id = df.file_id

WHERE mf.database_id = DB_ID()

ืœืžืจื‘ื” ื”ื”ืคืชืขื”, ืœืžืจื•ืช ืฉืจื•ื‘ ื”ืžืคืชื—ื™ื ืขื“ื™ืŸ ืœื ื”ื’ื™ืขื•, ื•ืžื™ ืฉื”ื’ื™ืข ืœื ืžืžืฉ ื”ืกืคื™ืง ืœืขืฉื•ืช ื™ื•ืชืจ ืžื™ื“ื™ ื“ื‘ืจื™ื ื”ื™ื•ื, ืจืื™ืชื™ ืฉืื›ืŸ ื”ืงื•ื‘ืฅ ื ืžืฆื ื‘ืจื•ื‘ื• ื”ืžื•ื—ืœื˜ ื‘ืฉื™ืžื•ืฉ. ื”ื—ืœื˜ืชื™ ืœื ืกื•ืช ืœืจืื•ืช ืžื” ืชื•ืคืก ืืช ื”ืžืงื•ื ื‘ืงื•ื‘ืฅ.

ื”ืจืฆืชื™ ืืช ื”ืฉืื™ืœืชื” ื”ื‘ืื”, ืฉืžืจืื” ืืช ื”ื’ื•ื“ืœ ืฉืœ ื›ืœ ื”ื˜ื‘ืœืื•ืช ื‘ื‘ืกื™ืก ื”ื ืชื•ื ื™ื:

use tempdb

go

SELECT schema_name(schema_id) + o.name as TableName,

CONVERT(numeric(15,2),(((CONVERT(numeric(15,2),SUM(i.reserved)) * 8192) / 1024)/1024)) ASTotalSpaceUsedInMB,

f.name As FileGroupName

FROM sys.sysindexes i (NOLOCK)

INNER JOIN sys.objects o (NOLOCK)

ON i.id = o.object_id

INNER JOIN sys.filegroups f

ON i.groupid = f.data_space_id

WHERE indid IN (0, 1, 255)

AND i.groupid = f.data_space_id

GROUP BY o.schema_id, o.name, f.name

ORDER BY TotalSpaceUsedInMB DESC

go

ืœืžืจื‘ื” ื”ื”ืคืชืขื”, ื”ื™ื” ืžืกืคืจ ืงื˜ืŸ ืžืื“ ืฉืœ ื˜ื‘ืœืื•ืช, ื•ืืฃ ืœื ืื—ืช ืžื”ืŸ ื”ื™ืชื” ืžืขืœ ืžื’ื”ื‘ื™ื™ื˜ ืื—ื“. ื–ื” ืœื ืžื” ืฉืฆื™ืคื™ืชื™ ืœืื—ืจ ื”ืฉืื™ืœืชื” ื”ืจืืฉื•ื ื”.

ื‘ืฉืœื‘ ื”ื–ื” ื”ืชื—ืœืชื™ ืœื—ืฉื•ื‘ ืžื” ืขื•ื“ ืžืฉืชืžืฉ ื‘ tempdb ื•ืžื ืฆืœ ืžืงื•ื ื‘ืงื•ื‘ืฅ. ื”ื“ื‘ืจ ื”ืจืืฉื•ืŸ ืฉื—ืฉื‘ืชื™ ืขืœื™ื• ื”ื™ื” ื”-version store, ืฉืžื—ื–ื™ืง ื’ืจืกืื•ืช ืฉืœ ื ืชื•ื ื™ื ืœื˜ื•ื‘ืช snapshot isolation level, ื˜ืจื™ื’ืจื™ื ื•ื›ื“'. ื‘ื“ื™ืงื” ื‘-sys.databases, ื”ืขืœืชื” ืฉืื™ืŸ ืœื ื• ืžืกื“ ื ืชื•ื ื™ื ืฉืžื•ืคืขืœืช ื‘ื• ื”ืื•ืคืฆื™ื” snapshot isolation level. ื˜ืจื™ื’ืจื™ื ืงื™ื™ืžื™ื ื‘ืžืขืจื›ืช, ืื‘ืœ ืžืื—ืจ ืฉื›ืžื•ืช ื”ืžืงื•ื ื”ืชืคื•ืกื” ื‘ืงื•ื‘ืฅ ืขืœืชื” ืขืœ 50 GB, ื”ื ื—ืชื™ ืฉื–ืืช ืื™ื ื ื” ื”ื‘ืขื™ื”.

ื‘ื“ื™ืงื•ืช ื ื•ืกืคื•ืช ืฉื‘ื™ืฆืขืชื™ ื”ื™ื• ืœื‘ื“ื•ืง ื”ืื ื™ืฉ ืœื™ ื˜ืจื ื–ืงืฆื™ื” ื’ื“ื•ืœื” ืคืชื•ื—ื”, ื•ื”ืื ืžื™ืฉื”ื•, ืฉื›ืจื’ืข ืžื—ื•ื‘ืจ ืœืฉืจืช, ืžื‘ืฆืข ืคืขื•ืœืช ืฉื™ื ื•ื™ ื ืชื•ื ื™ื ื’ื“ื•ืœื”. ื›ืœ ื”ื‘ื“ื™ืงื•ืช ื”ืจืื• ืชืฉื•ื‘ื” ืฉืœื™ืœื™ืช. ืขื›ืฉื™ื• ื”ื’ื™ืข ื”ื–ืžืŸ ืœื”ืชื—ื™ืœ ืœื”ืฉืชืžืฉ ื‘ื’ื•ื’ืœ, ืฉืื›ืŸ ืœื ืื™ื›ื–ื‘ .

ืชื•ืš ื›ื“ื™ ื—ื™ืคื•ืฉ ื‘ื’ื•ื’ืœ, ื ื•ื“ืข ืœื™ ืขืœ ืžืกืคืจ DMV, ืฉืื ื™ ืžื•ื“ื”, ืฉืœื ื”ื™ื›ืจืชื™ ืื•ืชื ืงื•ื“ื. ื”-DMV ื”ืจืืฉื•ืŸ ื”ื•ื sys.dm_db_file_space_usage. ื”ืžืกืคืง ืžื™ื“ืข ืขืœ ื”ืงืฆืืช ื“ืคื™ื ื‘ tempdb. ืชื•ืฆืืช ื”ืฉืื™ืœืชื ื”ืจืืชื” ืฉืขื‘ื•ืจ version store ื”ื•ืงืฆืชื” ื›ืžื•ืช ืงื˜ื ื” ืžืื“ ืฉืœ ื“ืคื™ื. ื’ื ืขื‘ื•ืจ user objects ื”ื•ืงืฆื” ืžืกืคืจ ืงื˜ืŸ ืฉืœ ื“ืคื™ื. ืœืขื•ืžืช ื–ืืช, ืœืžื‘ื ื™ื ืคื ื™ืžื™ื™ื ืฉืœ ื”ืฉืจืช (internal_objects_reserved_page_count) ื”ื•ืงืฆื” ื”ืจื•ื‘ ืžื•ื—ืœื˜ ืฉืœ ื”ืงื•ื‘ืฅ.

ื‘ืฉืœื‘ ื”ื‘ื ื”ืฉืชืžืฉืชื™ ื‘ืขื•ื“ ืฉื ื™ DMVs:

  • sys.dm_db_task_space_usage

  • sys.dm_db_session_space_usage

ืฉื ื™ ืืœื• ืžืจืื™ื ื ืชื•ื ื™ื ื”ืžืฉืœื™ืžื™ื ื–ื” ืืช ื–ื”. ืฉื ื™ื”ื ืžืจืื™ื ืืช ื”ื›ืžื•ืช ื•ืืช ืกื•ื’ ื”ื“ืคื™ื ื”ืžื•ืงืฆื™ื ืœื˜ื•ื‘ืช session/task. sys.dm_db_task_space_usage ืžืจืื” ืืช ื”ื”ืงืฆืื” ืฉืœ ื”ื“ืคื™ื ืœืชื”ืœื™ื›ื™ื ื”ืคื•ืขืœื™ื ื‘ืื•ืชื• ืจื’ืข ื•ืื™ืœื• sys.dm_db_session_space_usage ืžืจืื” ืืช ื”ื”ืงืฆืื” ืฉื›ืœ session ืงื™ื‘ืœ ืืช ืขื“ ืœื”ืจืฆื” ืฉืœ ื”batch/rpc ื”ื ื•ื›ื—ื™. ื‘ืืžืฆืขื•ืช ื”DMVs ื”ืืœื• ื™ื›ื•ืœืชื™ ืœืจืื•ืช ืœืื™ื–ื” session ื”ื•ืงืฆื” ื”ืžืงื•ื. ืœืื—ืจ ืžื›ืŸ ื ืฉืืจ ืœื™ ืœื‘ื“ื•ืง ืžื” ื”-session ืขื•ืฉื” ื•ืœื”ืชื—ื™ืœ ืืช ื”ื˜ื™ืคื•ืœ ื‘ื‘ืขื™ื”.

ื“ืจืš ืื’ื‘, ืื—ืช ื”ื‘ืขื™ื•ืช ืฉื’ื™ืœื™ืชื™ ื”ื™ื ืฉื”ืชืฆื•ืจื” ืฉืœ tempdb ืฉืœื ื• ืฉื’ื•ื™ื” ืœื—ืœื•ื˜ื™ืŸ. ืืžื ื ื“ืื’ื ื• ืœื‘ื ื™ื™ื” ืฉืœ ืžืกืคืจ ืงื‘ืฆื™ื ืขืœ ืžืกืคืจ ื“ื™ืกืงื™ื, ืื‘ืœ ื”ื’ื“ืœื™ื ื”ื”ืชื—ืœืชื™ื™ื ืฉืœ ื›ืœ ืงื•ื‘ืฅ ื”ื™ื• ื’ืจื•ืขื™ื. ื•ื›ืŸ ืงืฆื‘ ื”ื”ืจื—ื‘ื” ื”ืื•ื˜ื•ืžื˜ื™ ื”ื™ื” 10 ืื—ื•ื– ื•ืœื ืžืกืคืจ ืงื‘ื•ืข. ื›ื“ืื™ ืœื›ื•ืœื ื• ืœื‘ื“ื•ืง ืžื™ื“ื™ ืคืขื ืืช ื”ืžืฆื‘ ืฉืœ ื” tempdb.

ืœืžืืžืจ ืžืฆื•ื™ืŸ ืžื‘ื™ืช Idera ืขืœ ืงื‘ื™ืขืช ืชืฆื•ืจื” ืฉืœ tempdb:

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