17.5.1 Tuning parameter hotlist

The following list of tuning suggestions is a subset of the complete list that follows in this chapter. These parameters are on a hot list because they have an important impact on performance. The majority of the parameters are application dependent, and should only be adjusted after close inspection of testing results for the application in question.

- Hardware and capacity settings, see 17.5.3, Hardware and capacity settings.

- Java Virtual Machine heap size, see 17.5.6, Java tuning.

- Application assembly performance checklist, see 17.5.5, Application assembly performance checklist.

- Data sources connection pool and prepared statement cache, see Data sources.

- Solaris operating system TCP_TIME_WAIT_INTERVAL, see Solaris.

- Pass by value versus Pass by reference, see Pass by reference.

- IBM HTTP Server access logs, see Access logs.

- HTTP keep-alive connections, see HTTP transport channel Maximum persistent requests.

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