One of the biggest new features in DB2 9.5 (and one of my personal favorites) is the new threaded engine. In DB2 9.1 and all prior releases on AIX, HP-UX, Solaris and Linux, the DB2 engine was process based. That means that all functions run in operating system processes. For example each db2agent is an individual process; all page cleaners and prefetchers were operating system processes; the log writers,
