Seagate ST43401N/ND Technical Information PDF herunterladen (Seite 109)

Migrating to Sybase Adaptive Server Enterprise 11.5 7-9

Adaptive Server Enterprise 11.5 Test Cycle: Summary of Tests

Using a separate ﬁle for each transaction can prevent skewing;

however, it requires additional code to sync users. Using a separate

ﬁle for each user is more work to create but also prevents skewing

Using a memory generator works well to prevent skewing and

makes the test easy to administer. However, the benchmark is then

not 100% repeatable.

Test Cycle: Summary of Tests

This section summarizes a complete test cycle, with tests that target

speciﬁc issues, including old and new functionality, performance

under multi-user loads, integration, and user acceptance.

Table 7-2: Stages of Testing

Stage Purpose Best Technique

Functional

testing

For each application or process, addresses the

following questions:

• Are there any obvious bugs?

• Do transactions return the same results?

• Will the application break anywhere?

If you decide to use new functionality:

• Does the release provide the functionality it

markets?

• What are the limitations of the new features of

this release?

Single-user:

• Ad hoc test

• Manual test scripts and cases

• Existing application test

suites

Stress testing

(benchmarking)

Using very heavy loads, addresses the following

questions:

• Are there any bugs related to multi-user

loads?

• Is the performance of critical transactions as

good or better?

• Is the new release stable under load?

Multiuser:

• Keystroke capture

• Transaction generator

• Production load capture

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