Optimizing Backup

PerformanceTips and Tricks

What is Backup?SQL Server Memory

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Optimizing Read

• SQL Server Memory

Disk Allocation Unit – 64K

Optimizing Read Cont..

Optimizing Writes

• SQL Ser

ver

Mem

ory

Optimizing Writes contd..

• SQL Ser

ver

Mem

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Compression

Optimizing Write contd..

MaxTransferSize

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Optimizing Memory

• SQL Server Memory

Size of Buffer = MaxTransferSizeNo. of Buffers

Optimizing Memory

BACKUP DATABASE [AnotherSingleFileDatabase]TO DISK= 'C:\AnotherSingleFileDatabase.bak'WITH COMPRESSION, MAXTRANSFERSIZE = 2097152, BUFFERCOUNT = 3000

There is insufficient system memory in resource pool 'default' to run this query.

OVER

Key Takeaways.. • Multiple Database files on different LUN’s

• Disk formatting with 64K Allocation Unit size

• Multiple backup files

• Compression

• MaxTransferSize

• BufferCount

• Be sensible in choosing your values for BufferCount and MaxTransferSize

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• Sourabh Agarwal

• Sr. Premier Field Engineer – Microsoft Services

• Blogs: www.sqluninterrupted.com

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• Twitter: @napsterreturns