Eagle, I partially agree. But we have to keep in mind, how much CPU load is caused by large memory access routines. In very small and fast environments, it's nice to have small variables. Regards Martin Eagle Fan schrieb: > The real problem is large number of versions can lead to mutex contention. > > :( > -- Usn's IT Blog for Linux, Oracle, Asterisk http://www.usn-it.de -- //www.freelists.org/webpage/oracle-l