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Meeting Date: October 16, 2007 Topic: The 64-bit Question by Rick Heiges www.Charlotte-SQL.org.

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Presentation on theme: "Meeting Date: October 16, 2007 Topic: The 64-bit Question by Rick Heiges www.Charlotte-SQL.org."— Presentation transcript:

1 Meeting Date: October 16, 2007 Topic: The 64-bit Question by Rick Heiges

2 The 64-bit Question: Presented by Rick Heiges, SQL MVP Sr. Solutions Consultant Presented by Rick Heiges, SQL MVP Sr. Solutions Consultant Which Platform? SQL245

3 About the Presenter Rick Heiges – Sr. Consultant – Scalability Experts SQL Server MVP MCP, MCSE, MCDBA, MCTS: SQL2005, MCITP: DBA MBA, MS-MIS, BSCS PASS – Director of Event Operations Founder – Triad SQL Server User Group Presented at PASS, local user groups, SQL Server Road Shows, DevTeach (Top 5 SQL Track), SQL Connections BLOG on sqlblog.com and sqljunkies.com Articles in SQL Server Standard, Windows IT Pro Webcasts - SQL 2005, 64-bit Computing, Consolidation Ambassador at TechEd Check out for more content!www.ricksql.com Rick Heiges – Sr. Consultant – Scalability Experts SQL Server MVP MCP, MCSE, MCDBA, MCTS: SQL2005, MCITP: DBA MBA, MS-MIS, BSCS PASS – Director of Event Operations Founder – Triad SQL Server User Group Presented at PASS, local user groups, SQL Server Road Shows, DevTeach (Top 5 SQL Track), SQL Connections BLOG on sqlblog.com and sqljunkies.com Articles in SQL Server Standard, Windows IT Pro Webcasts - SQL 2005, 64-bit Computing, Consolidation Ambassador at TechEd Check out for more content!www.ricksql.com

4 Agenda Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 and Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 and Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server

5 Poll: SQL 2005 Live in your environment? No – All production servers are SQL 2000 or earlier Yes – We have 1 or 2 systems Live Yes – The Majority of our production systems are SQL 2005 Yes – We are completely switched to SQL 2005 No – All production servers are SQL 2000 or earlier Yes – We have 1 or 2 systems Live Yes – The Majority of our production systems are SQL 2005 Yes – We are completely switched to SQL 2005

6 Poll: 64-bit in your environment Yes – We have at least one production system using SQL Server 2000/ bit Yes – We have a majority of our systems on SQL Server 2000/2005 on a 64-bit platform No – Thats why I am here Yes – We have at least one production system using SQL Server 2000/ bit Yes – We have a majority of our systems on SQL Server 2000/2005 on a 64-bit platform No – Thats why I am here

7 Before we start - No Magic Bullet Not Every work load will benefit x64 and Itanium Fundamental differences Abbreviations – IA32, x86, x64, IA64, IPF OS / SQL mix x86 on x86 OS on x64 Hardware x86 on x64 OS on x64 Hardware x64 on x64 OS on x64 Hardware Not Every work load will benefit x64 and Itanium Fundamental differences Abbreviations – IA32, x86, x64, IA64, IPF OS / SQL mix x86 on x86 OS on x64 Hardware x86 on x64 OS on x64 Hardware x64 on x64 OS on x64 Hardware

8 The 32-bit Challenge Today, customers are experiencing unprecedented challenges in their computing environment Increased complexity in mixed IT environments Ever increasing user counts Power, space and heat restrictions It is becoming increasingly difficult to sustain Mission- Critical databases on 32-bit architectures Difficulty in scaling to handle increasing database sizes Difficulty in managing large concurrent user counts There is a limited future for 32-bit processors, 32-bit Operating Systems, and 32 bit databases All current and future hardware and software development is oriented towards 64-bit platforms Today, customers are experiencing unprecedented challenges in their computing environment Increased complexity in mixed IT environments Ever increasing user counts Power, space and heat restrictions It is becoming increasingly difficult to sustain Mission- Critical databases on 32-bit architectures Difficulty in scaling to handle increasing database sizes Difficulty in managing large concurrent user counts There is a limited future for 32-bit processors, 32-bit Operating Systems, and 32 bit databases All current and future hardware and software development is oriented towards 64-bit platforms

9 32-bit Addressing 32-bit processors have address registers that are 32-bits wide (can address up to 4GB RAM) Each individual process gets its own virtual address space that can be up to 4GB This virtual address space is divided – system and user space, by default 2 GB each The user space can be extended to 3 GB with the 4 GB Tuning feature /3GB flag = 4GB Tuning Feature – reduces system space to 1GB, allowing 3GB for user space – also /USERVA Add to boot.ini file and reboot to take effect 32-bit processors have address registers that are 32-bits wide (can address up to 4GB RAM) Each individual process gets its own virtual address space that can be up to 4GB This virtual address space is divided – system and user space, by default 2 GB each The user space can be extended to 3 GB with the 4 GB Tuning feature /3GB flag = 4GB Tuning Feature – reduces system space to 1GB, allowing 3GB for user space – also /USERVA Add to boot.ini file and reboot to take effect

10 32-bit Systems With PAE And AWE PAE - Physical Address Extension Allows 36-bit memory addressing Allows the x86 processor to address up to 64GB of physical RAM Add /PAE switch in the boot.ini file and reboot server AWE – Address Windowing Extension AWE – a set of APIs that allow programs to address memory locations outside of their 4GB virtual addressing range With AWE programs reserve memory as non-paged (will not page out) These methods add a translation layer to memory access – slower than direct memory access PAE - Physical Address Extension Allows 36-bit memory addressing Allows the x86 processor to address up to 64GB of physical RAM Add /PAE switch in the boot.ini file and reboot server AWE – Address Windowing Extension AWE – a set of APIs that allow programs to address memory locations outside of their 4GB virtual addressing range With AWE programs reserve memory as non-paged (will not page out) These methods add a translation layer to memory access – slower than direct memory access

11 Performance Implications Of 32-bit Memory Memory split into two parts is not as efficient as memory in one segment Overhead is introduced, memory access is substantially slower 32-bit systems with 8 GB of RAM may not perform much better than systems with 4 GB of RAM Memory above 4 GB can only be used for Buffer cache Buffer cache does not support user connections; all user connections must be supported from low memory (<= 3GB) AWE overhead may take up an additional 1 GB of low memory, leaving only 1-2 GB for managing user connections SQL Server connections are lightweight, so 4,000+ connections are possible, even with limited memory Memory split into two parts is not as efficient as memory in one segment Overhead is introduced, memory access is substantially slower 32-bit systems with 8 GB of RAM may not perform much better than systems with 4 GB of RAM Memory above 4 GB can only be used for Buffer cache Buffer cache does not support user connections; all user connections must be supported from low memory (<= 3GB) AWE overhead may take up an additional 1 GB of low memory, leaving only 1-2 GB for managing user connections SQL Server connections are lightweight, so 4,000+ connections are possible, even with limited memory

12 32-bit Memory Areas 32GB RAM Application VAS Additional App VAS OS VAS Data Pages Only

13 Route 64 – Where Business is Going x Future

14 The 64-bit Solution Microsoft has solved these problems by extending their platforms to provide a robust Operating System, Windows Server 2003 R2, for advanced 64-bit architectures. Note: In Windows bit, Kernel and User mode split 16TB Multi-core x64 processor-based systems offers hybrid 32-bit/64-bit capabilities that make the transition to 64-bit processing easy Intel Itanium ® 2 processor-based systems (Currently Dual-Core) offers high-end performance capabilities for the most demanding and mission- critical corporate databases Microsoft offers Windows Server 2003 editions for both the x64 and Itanium ® 2 architectures Microsoft has solved these problems by extending their platforms to provide a robust Operating System, Windows Server 2003 R2, for advanced 64-bit architectures. Note: In Windows bit, Kernel and User mode split 16TB Multi-core x64 processor-based systems offers hybrid 32-bit/64-bit capabilities that make the transition to 64-bit processing easy Intel Itanium ® 2 processor-based systems (Currently Dual-Core) offers high-end performance capabilities for the most demanding and mission- critical corporate databases Microsoft offers Windows Server 2003 editions for both the x64 and Itanium ® 2 architectures

15 Agenda Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 and Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 and Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server

16 The 64-bit Solution – SQL Server SQL Server 2005 offers 64-bit versions for both the x64 and Itanium ® 2 architectures Compared to 32-bit database versions the 64-bit Windows versions of SQL Server 2005 provide outstanding performance More Workloads per u of rackspace, Up to 50 Instances All Components able to take advantage of Large Virtual Address Space in SQL 2005 SQL Server 2005 offers 64-bit versions for both the x64 and Itanium ® 2 architectures Compared to 32-bit database versions the 64-bit Windows versions of SQL Server 2005 provide outstanding performance More Workloads per u of rackspace, Up to 50 Instances All Components able to take advantage of Large Virtual Address Space in SQL 2005

17 Windows Server 2003 Family 32-bit x86 64-bit x64 64-bit Itanium Up to 32- way, 64 GB RAM Up to 64-way, 1 TB RAM Up to 64- way, 1 TB RAM Up to 8-way, 64 GB RAM Up to 8-way, 1 TB RAM Up to 8-way, 1 TB RAM Up to 4-way, 4 GB RAM Up to 4-way, 32 GB RAM Up to 4-way, 32 GB RAM Up to 2-way, 2 GB RAM n/a

18 Poll: Windows in your environment? At lease one server is Windows Server 2003 Enterprise Edition is running in Production A majority of our production servers are Enterprise Edition of Windows Server 2003 A majority of our production servers are Standard Edition of Windows Server 2003 We only run Windows Server 2003 Standard Edition in our production Environment We are still on Windows 2000 or earlier At lease one server is Windows Server 2003 Enterprise Edition is running in Production A majority of our production servers are Enterprise Edition of Windows Server 2003 A majority of our production servers are Standard Edition of Windows Server 2003 We only run Windows Server 2003 Standard Edition in our production Environment We are still on Windows 2000 or earlier

19 SQL Server Versions and Platforms VersionPlatform32-bit (x86)64-bit (x64)64-bit (Itanium Platform Family) SQL Server 7.0X (All Editions) N/A SQL Server 2000X (All Editions) (sp4 using WOW – x86 version) X Enterprise Edition SQL Server 2005X (All Editions) X Standard/Enterprise Editions X Enterprise Edition

20 SQL Server bit Editions New for SQL Server 2005 Higher Editions include same functionality as the edition below it. StandardEnterprise Complete data management & analysis platform for medium businesses and large departments Fully integrated data management and analysis platform for business critical enterprise applications $6K per proc or $2,799 (Server + 10 users) $25K per proc or $13.5K (Server + 25 users) 4 CPU Unlimited RAM (64-bit) Database Mirroring OLAP Server Reporting Server New Integration Services Data Mining Full Replication & SSB Publishing Unlimited Scale + Partitioning Adv. DB mirroring, Complete online & parallel operations, DB snapshot Advanced Analysis Tools including full OLAP & Data Mining Customized & High Scale Reporting Customized & High Scale Reporting Adv SSIS Note: 2-node clustering in SQL Server 2005 Standard Edition requires Windows Server 2003 R2 Enterprise Edition

21 Additional 64-bit Windows Server Advantages: Thread Model Thread model benefits Faster context switches Decreased memory usage Quicker connection times Perceived as a more native implementation since it uses threads versus processes No changes required for client applications Can perform faster than Process model for CPU-intensive operations Thread model benefits Faster context switches Decreased memory usage Quicker connection times Perceived as a more native implementation since it uses threads versus processes No changes required for client applications Can perform faster than Process model for CPU-intensive operations

22 Additional 64-bit Windows Server Advantages: Thread Tuning Both CPU affinities and thread priorities can be set and manipulated via registry parameters on a thread-by-thread basis User-thread support Users may now run the database in user- thread mode, which employs database- scheduled fibers instead of O/S scheduled threads For CPU intensive apps, this will provide a performance boost and reduce CPU utilization Both CPU affinities and thread priorities can be set and manipulated via registry parameters on a thread-by-thread basis User-thread support Users may now run the database in user- thread mode, which employs database- scheduled fibers instead of O/S scheduled threads For CPU intensive apps, this will provide a performance boost and reduce CPU utilization

23 What is 64-bit SQL Server? Same codebase as 32-bit SQL Server Flat memory addressing (no need for AWE) 2 64-bit versions for SQL IA64 and X64 Data file compatibility with 32-bit SQL Easy Database Migration & Integration Detach/Attach, Log shipping, Replication, DB Mirroring etc. No changes in client apps when connecting to a 64-bit backend and a 32-bit backend Massive Scale-up support – up to 64-way 8-node Fail-over clustering support Same codebase as 32-bit SQL Server Flat memory addressing (no need for AWE) 2 64-bit versions for SQL IA64 and X64 Data file compatibility with 32-bit SQL Easy Database Migration & Integration Detach/Attach, Log shipping, Replication, DB Mirroring etc. No changes in client apps when connecting to a 64-bit backend and a 32-bit backend Massive Scale-up support – up to 64-way 8-node Fail-over clustering support

24 Agenda Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 and Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 and Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server

25 x64 or Itanium ? x64 for mainstream / commodity Competes against existing high-end x86 platforms Targets servers using up to 4p/8core Pricing not significantly greater than traditional x86 based systems Based on 64-bit Extension to the x86 instruction set Itanium for scale-up Optimized for most demanding DB & LOB workloads Targets servers using * processors Scalable up to 128* processors and 2 terabyte of physical memory Pricing more competitive to x64 and x86 systems, and price/performance comparable to x86 and x64 Based on EPIC (Explicitly Parallel Instruction Computing)

26 Overall Advantages of 64-bit Processors Much larger direct-addressable memory space (AWE not used) Better on-chip cache management Improved multiprocessor performance Enhanced on-processor parallelism Increased bus and I/O bandwidth for faster and wider throughput Much larger direct-addressable memory space (AWE not used) Better on-chip cache management Improved multiprocessor performance Enhanced on-processor parallelism Increased bus and I/O bandwidth for faster and wider throughput

27 x64 Benefits Faster Clock Speeds Longer History with multi-cores More Versatile able to run 32-bit apps ease of transition More Affordable Faster Clock Speeds Longer History with multi-cores More Versatile able to run 32-bit apps ease of transition More Affordable

28 x64 Server Options x64 hardware supports multiple configurations Extends hardware investment by allowing gradual migration to 64-bit computing Provides superior 32-bit performance and very good 64-bit performance x64 hardware supports multiple configurations Extends hardware investment by allowing gradual migration to 64-bit computing Provides superior 32-bit performance and very good 64-bit performance Server Hardware Device Drivers Windows Servers Applications 32-bit Stack64-bit StackHybrid Stack x64 32-bit x64 32-bit x64

29 Scalability Breadth of Applications Versatile Mainstream 64-bit x64 64-bit Itanium Most Scalable 32-bit x86 64-bit Platform Positioning

30 64-bit Architecture (x64) - Offerings AMD Opteron Athlon 64 Intel Xeon with EM64T Pentium IV with EM64T First dual-core offering Generally aimed at 4 sockets or less Unisys – 32 sockets – ES7000 IBM – 16 sockets Other main vendors HP and Dell (AMD and Intel) AMD Opteron Athlon 64 Intel Xeon with EM64T Pentium IV with EM64T First dual-core offering Generally aimed at 4 sockets or less Unisys – 32 sockets – ES7000 IBM – 16 sockets Other main vendors HP and Dell (AMD and Intel)

31 Itanium Scales Better with dual-core Source: Windows IT Pro: Essentials Guide to Solving SQL Server Sprawl – September, 2006

32 Itanium Benefits For Databases Larger cache size Fast Itanium ® 2 on-die L3 cache up to 24 MB Less cache latency (fewer clock cycles needed) Databases benefit greatly with larger caches closer to the processor Allows for bigger systems Better Parallelism Better Instruction level parallelism (11 issues ports) More registers (264 registers supporting parallel instructions and reduce need for memory access) Improved Scalability of System Bus allowing for bigger systems Improved Micro Architecture Predication removes delays caused by mispredicated branches Larger cache size Fast Itanium ® 2 on-die L3 cache up to 24 MB Less cache latency (fewer clock cycles needed) Databases benefit greatly with larger caches closer to the processor Allows for bigger systems Better Parallelism Better Instruction level parallelism (11 issues ports) More registers (264 registers supporting parallel instructions and reduce need for memory access) Improved Scalability of System Bus allowing for bigger systems Improved Micro Architecture Predication removes delays caused by mispredicated branches

33 64-bit Architecture (IA64) - Offerings Intel chip architectures Itanium - Merced, released in 2001 Itanium2-McKinley, then Madison, now Montecito Montecito – first dual-core Tukwila - multi-core - due in 2008 Vendors – Bull, Fujitsu, Fujitsu-Siemens Computers, Hitachi, HP, NEC, Silicon Graphics and Unisys Up to 64-sockets Up to 1.6 GHz Up to 24 MB L3 cache Intel chip architectures Itanium - Merced, released in 2001 Itanium2-McKinley, then Madison, now Montecito Montecito – first dual-core Tukwila - multi-core - due in 2008 Vendors – Bull, Fujitsu, Fujitsu-Siemens Computers, Hitachi, HP, NEC, Silicon Graphics and Unisys Up to 64-sockets Up to 1.6 GHz Up to 24 MB L3 cache

34 Agenda Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 and Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 and Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server

35 Poll: Do you currently use SQL Server for BI? Yes No Not Sure Yes No Not Sure

36 Which SQL Server 2005 Components Benefit from 64-bit? Relational Engine Snapshot Isolation Table / Index Partitioning Failover Clustering Integration Services Analysis Services Reporting Services Also, IT Operations Benefit from SQL Server Consolidation Relational Engine Snapshot Isolation Table / Index Partitioning Failover Clustering Integration Services Analysis Services Reporting Services Also, IT Operations Benefit from SQL Server Consolidation

37 Why the Relational Engine Benefits from 64-bit ? Small transactions are more thread intensive 64-bit provides the faster thread execution mode Faster I/O – Windows Multi-path I/O Lower Context Switching with lower CPU queues Logical reads are faster as more data can be cached Avoid page faults Statistics Refresh will use parallelism Small transactions are more thread intensive 64-bit provides the faster thread execution mode Faster I/O – Windows Multi-path I/O Lower Context Switching with lower CPU queues Logical reads are faster as more data can be cached Avoid page faults Statistics Refresh will use parallelism

38 Integration Services No explicit way to limit memory utilization ceiling Specific tasks to watch: Sorts Aggregations Lookups Be sure to minimize the columns that are carried through the pipeline Rewrite lookup queries to only pull key and lookup columns Or set the ceiling within the task – performance trade-off Packages can fail on 32-bit when the 3 GB VAS limit is reached No explicit way to limit memory utilization ceiling Specific tasks to watch: Sorts Aggregations Lookups Be sure to minimize the columns that are carried through the pipeline Rewrite lookup queries to only pull key and lookup columns Or set the ceiling within the task – performance trade-off Packages can fail on 32-bit when the 3 GB VAS limit is reached

39 Analysis Services 2000 Memory Utilization Dimensions and Member Properties Query cache Limited to 4 GB ! Replica Dimensions (Dimension Security) Shadow Dimensions Read ahead Processing Buffers Connections

40 Reporting Services Does not benefit from AWE Large or complex reports can require lots of memory CLR based Application LOVES Memory Does not benefit from AWE Large or complex reports can require lots of memory CLR based Application LOVES Memory

41 SQL Server Consolidation Scenario 1: DB Consolidation Single OS, Single SQL, Many DB Maximum scale up and resource utilization Scenario 1: DB Consolidation Single OS, Single SQL, Many DB Maximum scale up and resource utilization Scenario 2: SQL Instance Consolidation Single OS, Multiple SQL Instances - Greater flexibility and control over CPU/Memory resource allocation and maintenance schedules (per instance) Scenario 3: Server Consolidation Multiple OS, Multiple SQL - Same model as stand-alone servers, with option to re-partition H/W resources as needs change IsolationUtilization Manufacturing Instance Marketing Instance Payroll Instance Manufacturing DB Marketing DB Payroll DB Windows 2003 Server (64P) Enterprise Storage & Backup SQL 2005 Server Windows 2003 Server (64P) Payroll Server Marketing Server Manufacturing Server Windows 2003 Server (24P) Windows (8P) Windows 2003 Server (32P)

42 Poll: Do you have many small/medium SQL Servers in your production environment? Yes No Not Sure Yes No Not Sure

43 Agenda Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server Key Differences in 32-bit v 64-bit systems Windows / SQL Versions X64 or IA64 Performance / Scalability Which Components Benefit Migration to 64-bit SQL Server

44 Business Benefits of 64-bit Migration Meet increasing business demands Allow more complex workloads Serve greater number of customers Improve response times Increase cost effectiveness Do more work on the same budget Enable server and database consolidation Make more efficient use of Datacenter resources Future proof your database investment All development resources are being directed towards 64-bit platforms The tipping-point for moving 64-bit processing into the mainstream has been reached Meet increasing business demands Allow more complex workloads Serve greater number of customers Improve response times Increase cost effectiveness Do more work on the same budget Enable server and database consolidation Make more efficient use of Datacenter resources Future proof your database investment All development resources are being directed towards 64-bit platforms The tipping-point for moving 64-bit processing into the mainstream has been reached

45 Ease of Migration Minimal Migration hurdles Same on-disk format Detach database from 32-bit server Attach database to 64-bit server Interoperability with other SQL Server installations Scripting languages will just work on SQL Server 64 Bit Edition Same Price as 32-bit!!! Minimal Migration hurdles Same on-disk format Detach database from 32-bit server Attach database to 64-bit server Interoperability with other SQL Server installations Scripting languages will just work on SQL Server 64 Bit Edition Same Price as 32-bit!!!

46 How to Migrate Already on 32-bit SQL 2005? Test!!! Easy: Backup/Restore or Detach/Attach Still on 32-bit SQL 2000? Follow Guidelines for Migration Run Upgrade Advisor / Upgrade Assistant Test!!! Backup / Restore or Detach / Attach Already on 32-bit SQL 2005? Test!!! Easy: Backup/Restore or Detach/Attach Still on 32-bit SQL 2000? Follow Guidelines for Migration Run Upgrade Advisor / Upgrade Assistant Test!!! Backup / Restore or Detach / Attach

47 Things to know before moving to 64-bit Research impact of 3 rd party software (Itanium) Virus protection Specialty backup programs Database drivers Hardware drivers Management tool support Shared memory across components Potential NUMA affects (SP2 includes enhancements) Research impact of 3 rd party software (Itanium) Virus protection Specialty backup programs Database drivers Hardware drivers Management tool support Shared memory across components Potential NUMA affects (SP2 includes enhancements)

48 Dont move if you dont have to Minimize memory utilization using previous tips Hardware gets better and cheaper with time Establish your resource bottleneck(s) before assuming 64-bit will solve your problems Minimize memory utilization using previous tips Hardware gets better and cheaper with time Establish your resource bottleneck(s) before assuming 64-bit will solve your problems

49 If you need to move to 64-bit Move to x64 for moderate-sized workloads Pros Easier migration path – 32-bit can run in WOW Outstanding price/performance Cons Maximum of 4 CPUs (Unisys and IBM exceptions) Maximum of 1 TB of RAM Move to x64 for moderate-sized workloads Pros Easier migration path – 32-bit can run in WOW Outstanding price/performance Cons Maximum of 4 CPUs (Unisys and IBM exceptions) Maximum of 1 TB of RAM

50 If you need to move to 64-bit Move to Itanium for very large or complex workloads Pros Support for many CPUs – currently up to 512 High parallel Very large memory support – up to 1000 TB Cons Cost Driver compatibility No BIDs – no SSIS debugging Move to Itanium for very large or complex workloads Pros Support for many CPUs – currently up to 512 High parallel Very large memory support – up to 1000 TB Cons Cost Driver compatibility No BIDs – no SSIS debugging

51 Poll: Has this session helped to shed light on the benefits of 64-bit technology? Yes No Not Sure Yes No Not Sure

52 Poll: Which 64-bit Platform? x64 Itanium Neither – I am sticking with 32-bit Not Sure x64 Itanium Neither – I am sticking with 32-bit Not Sure

53 Route 64 – Exit Now! x Future NOW!

54 Summary 64-bit provides many benefits over 32-bit systems There are two platform choices for 64-bit – each with its own pros/cons 64-bit enables new heights of performance and scalability for SQL 2005 Migration is not complicated 64-bit is the future 64-bit provides many benefits over 32-bit systems There are two platform choices for 64-bit – each with its own pros/cons 64-bit enables new heights of performance and scalability for SQL 2005 Migration is not complicated 64-bit is the future

55 Thank You!!! Dont forget to check out for more free content! Dont forget to check out for more free content!

56 Resources t.mspx mspx ,00.html?bucket=NEWS&topic= server2005.htm uid=f919979c-967a-4d33-bcca-78a826c3f22e =320 t.mspx mspx ,00.html?bucket=NEWS&topic= server2005.htm uid=f919979c-967a-4d33-bcca-78a826c3f22e =320


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