Is "the bigger the beter" valid in the database world

Is “the bigger the better” valid in the database world?Best practices around VLDBs

HP FastTrack Solution

Tips, tricks and gotchas with multi-TB databases

About me

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Ivan Donev, MCT

SQL Server Technology Team Lead, HP

Agenda

Introduction Best practices in configuration HP FastTrack Reference Architecture 4.0 Share the experience

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Introduction

More data Needs larger hardware Needs optmization Needs time Requires more responsiblities

More responsibilities Need more attention Require more knowledge Give you more headaches

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Best practices - IO

Hardware - trust your vendor Follow the Storage Top 10 Best Practices HBA Queue Depth TEST, TEST, TEST

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Best practices – SQL Server

Startup options -E and T1117 T834?

MaxServerMemory MaxDop – never leave it to 0 Local policy

Lock pages in memory Perform Volume maintenance tasks

Resource governor!

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Best practices – Inside SQL Server

TempDB Microsoft rules – 1 file per CPU Experience

Partitioning Compression – be careful! Column Store index Maintenance, maintenance, maintenance!!!

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HP FastTrack 4.0

Prebuild Hardware for best performance

Configuration Guide Performance

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Let’s talk about reality

The hardware - HP DL980 G7 2TB RAM 8x8-core Intel Xeon => 128 logical CPUs Storage – dedicated P2000 and XP24000

The Software Windows Server 2008 R2 with SP1 SQL Server 2008 R2 Enterprise with CU7

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Let’s talk about reality - servicing

T834 flag or why the engine is not booting up Patching and ugrade

Upgrade from SQL Server 2005 to 2008 R2 Approach Licensing Bugs

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Let’s talk about reality - maintenance

Examine fragmentation Do not forget about statistics Check the integrity

Size matters

Autogrowth and proportional fill

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Let’s talk about reality - compression

Estimate compression gain Compress and keep compressing How do we reclaim the space?

Moving object to new file Shrinking

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IT DEPENDS

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IS THE BIGGER THE BETTER?

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THANK YOU !

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