17.8
Determining the size of the registry LOB RDAREA
The following formula is used to determine the size of the registry LOB RDAREA.
Formula
Size of registry LOB RDAREA (bytes)
={
a
[
Si
64000
96 + 7 + 3
(
a
- 1)]
1
i
=1
b
+ [
(
Cj
+ 1024)
8192
]
2
j
=1
}
3
8192
4
a
: Number of HiRDB files that constitute the registry LOB RDAREA
b
: Number of registry key values that exceed 32000 bytes
S
i
: Number of segments for the registry LOB RDAREA
C
j
: Length of registry key values that exceed 32000 bytes
1
Total number of pages in the directory pages part.
2
Total number of pages in the data pages part.
3
Total number of pages in the registry RDAREA
4
Page length of the registry LOB RDAREA