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
[[Figure][Figure]Si[Figure]64000[Figure][Figure]96 + 7 + 3[Figure](a - 1)]1
i=1
b
+ [ [Figure][Figure](Cj + 1024) [Figure]8192[Figure]]2
j=1
}3[Figure]81924
a: Number of HiRDB files that constitute the registry LOB RDAREA
b: Number of registry key values that exceed 32000 bytes
Si: Number of segments for the registry LOB RDAREA
Cj: 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