Progress
Startup Command and Parameter
Reference


Before-image Buffers (-bibufs)

Operating 
System
and
Syntax 
UNIX
Windows 
-bibufs n 
Use
With 
Maximum
Value 
Minimum
Value 
Single-user
Default 
Multi-user
Default 
DBS
3
5

n

The number of before-image buffers.

Use Before-image Buffers (-bibufs) to specify the number of before-image buffers. This parameter is useful only when running the before-image writer (BIW). The BIW continually writes the filled before-image buffers to disk, making the buffers available to other client and server processes. Without a BIW writing the buffers, any gain from increasing the number of buffers is negligible.

See the Progress Database Administration Guide and Reference for more information on setting this parameter.


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