Progress
Database Administration
Guide and Reference
PROBIW Command
Starts a before-image writer (BIW) process. The BIW improves database performance by performing before-image overhead operations in the background. For more information on the BIW, see Managing Performance."
SYNTAX
db-name
Specifies the database where you want to start a BIW.
NOTES
- To stop the BIW process, disconnect it by using the PROSHUT command. You can start and stop the BIW at any time without shutting down the database.
- The BIW process counts as one user. You might have to increment the value of the Number of Users (-
n
) parameter to allow for the BIW. However, the BIW does not count as a licensed user.- You can increase the number of before-image buffers with the Before-image Buffers (-
bibufs
) parameter. Increasing the number of buffers increases the availability of empty buffers to client and server processes.
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