Checklist: Enterprise Services Performance

Checklist: Enterprise Services Perf...

Prescriptive Architecture

Improving .NET Application Performance and Scalability

J.D. Meier, Srinath Vasireddy, Ashish Babbar, and Alex Mackman
Microsoft Corporation

May 2004

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This checklist is a companion to Chapter 8, "Improving Enterprise Services Performance"

Check	Description
	Use Enterprise Services only if you need to.
	Use library applications if possible.
	Consider DLL and class relationships.
	Use distributed transactions only if you need to.
	Use object pooling to reduce object creation overhead.
	Design pooled objects based on calling patterns.
	Use explicit interfaces.
	Design less chatty interfaces.
	Design stateless components.

Check	Description
	Return objects to the pool promptly.
	Monitor and tune pool size.
	Preload applications that have large minimum pool sizes.

Check	Description
	Prefer stateless objects.
	Avoid using the Shared Property Manager (SPM).

Check	Description
	Optimize idle time management for server applications.
	Always call Dispose.
	If you call COM components, consider calling ReleaseComObject.

Check	Description
	Use queued components to decouple client and server lifetimes.
	Do not wait for a response from a queued component.

Check	Description
	Consider the fire in parallel option.
	Avoid LCE for multicast scenarios.
	Use Queued Components with LCE from ASP.NET.
	Do not subscribe to LCE events from ASP.NET.

Check	Description
	Choose the right transaction mechanism.
	Choose the right isolation level.
	Use compensating transactions to reduce lock times.

Check	Description
	Use a trusted server model if possible.
	Avoid impersonating in the middle tier.
	Use packet privacy authentication only if you need encryption.

Check	Description
	Avoid STA components.

Check	Description
	Use locks or mutexes for granular synchronization.