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• Step 4. Collecting and analyzing log les—As the log le is stored
separately on every instance, the log les are collected from each
instance. This involves transferring les from the instance to a com-
puter for integration. The methods of analyzing those results are dis-
cussed in Section 12.4.4.
• Step 5. Cleaning and releasing the instance—Once the tests are
nished, instances should be shut down and saved properly to avoid
unnecessary resource usage.
12.4.4 Test result analyses
The congurations of virtual machines include 1-core, 2-core, 4-core,
and 8-core instances with comparable mai ...