Scalable Database Server, HiRDB Version 8 Installation and Design Guide

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16.3 Determining the size of the master directory RDAREA

The following formula is used to determine the size of the master directory RDAREA.

Formula

Size of master directory RDAREA (bytes)

= {
[Figure](a + 2)[Figure]800 [Figure] [Figure] 51 + [Figure](b + 120) [Figure] 6000 [Figure] [Figure] 51 + [Figure](c + 240) [Figure] 6000 [Figure] [Figure] 51
+ [Figure](d + 240) [Figure] 6000 [Figure] [Figure] 51 + [Figure] e [Figure] 6400 [Figure] [Figure] 51 + 2 + 6 [Figure] n
}1[Figure] 40962

a: Total number of data dictionary RDAREAs + total number of user RDAREAs

b: Total number of tables to be defined

c: Total number of indexes to be defined

d: Total number of view tables to be defined

e: Total number of data types and index types to be defined

n: Number of HiRDB files that constitute the master directory RDAREA

1 Indicates the total number of pages in the master directory RDAREA.

2 Indicates the page length of the master directory RDAREA.

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