Windows Performance Symposium CMG 2004

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Windows Performance Symposium CMG 2004

• Demand Technology
• 1020 Eighth Avenue South, Suite 6, Naples, FL
  34102
• phone [phone] fax [phone]
• e-mail markf_at_demandtech.com
• http//www.demandtech.com

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Announcements

• Demand Tech Software is back as an independent
  entity
• We re-purchased the company from Datacore
  Software, as of June 15, 2004
• Product announcements (details Wed. nite)
• native 64-bit version of the collector
• WebRTM (response time monitor for Web
  applications)
• Software Development Kit (SDK) -- supports .NET
  Framework, ADO.NET, and MS Sql Server

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Other Developments

• Status of Windows Server 2003 Resource Kit
  project (forthcoming from MS Press)
• in effect, an updated version of the OReilly
  Performance Guide
• I learned (and documented to the extent possible)
  how Windows NT really works
• Clock interrupt-based CPU busy measurements
• How the Idle thread works
• undocumented Thread Wait state reason codes
• LRU memory management

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Other Developments

• Big iron
• Several flavors of 64-bit machines
• removes virtual (and physical) memory constraints
• Note application support is very limited
• ccNUMA architectures
• Virtual machine technology
• WSRM
• NTSMF support
• Physical and Logical (HT) Processor
  identification
• Native 64-bit version required to communicate
  with 64-bit Perflib DLLs

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Windows Scalability

• Virtual memory relief
• Even 32-bit applications can benefit
• Large Memory Aware 32-bit applications can occupy
  the full 4 GB virtual address space when you run
  a 64-bit OS
• Native 64-bit application can benefit much more
• SQL Server and IIS version 6.0, only at this
  point
• MS support for application development on 64-bit
  machines is still limited!
• Cross compiler only no native Visual Studio

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Windows Scalability
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Windows Scalability