User Guide

SAP AG November 2002
SEQUENCE_CACHE
The special database parameter [Page 80] SEQUENCE_CACHE determines how big the
sequence cache is in pages.
SESSION_TIMEOUT
The special database parameter [Page 80] SESSION_TIMEOUT determines for how many
seconds database sessions [Page
135] can remain inactive before being timed out.
If no SQL statement is issued within the specified time, the database system terminates the
database session concerned (ROLLBACK WORK RELEASE statement).
UTILITY_PROT_SIZE
The special database parameter [Page 80] UTILITY_PROT_SIZE denotes the size of the log
file (dbm.utl) that was written in the run directory [Page
147] of the database instance [Page
132].
_DATA_CACHE_RGNS
The special database parameter [Page 80] _DATA_CACHE_RGNS determines how many
critical regions you can work with at once.
_EVENT_ALIVE_CYCLE
The special database parameter [Page 80] _EVENT_ALIVE_CYCLE denotes the number of
seconds an event cycle takes.
_MAXEVENTS
The special database parameter [Page 80] _MAXEVENTS denotes the maximum number of
events stored by the kernel [Page 140] in the cache for processing by the Database Manager
[Page 133] .
_MAX_MESSAGE_FILES
The special database parameter [Page 80] _MAX_MESSAGE_FILES denotes the maximum
number of trace files that can be opened at one time.
User Manual: SAP DB 89