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 19.4.3, Hardware and capacity settings. Java Virtual Machine heap size, see 19.4.6, Java tuning. Application assembly performance checklist, see 19.4.5, 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 value versus Pass by reference (com.ibm.CORBA.iiop.noLocalCopies). IBM HTTP Server access logs, see Access logs. HTTP keep-alive connections, see MaxKeepAliveConnections. HTTP transport custom properties, see HTTP transport custom properties Transaction logs, see 19.4.14, Transaction service settings - transaction log.

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