20.2.7 Memory size required for the execution of the database condition analysis utility (pddbst)

The following subsections show the formulas for determining the memory size required for the execution of the database condition analysis utility (pddbst). For details about the variables used in the formulas, see (3) Variables used in the formulas.

Organization of this subsection
(1) For a HiRDB/Single Server
(2) For a HiRDB/Parallel Server
(3) Variables used in the formulas

(1) For a HiRDB/Single Server

ConditionFormula for determining memory size (KB)
32-bit mode9425 + [Figure]{([Figure] + [Figure]) [Figure] 1024}[Figure]
64-bit mode15311 + [Figure]{([Figure] + [Figure]) [Figure] 1024}[Figure]

(2) For a HiRDB/Parallel Server

ConditionFormula for determining memory size (KB)
32-bit modeMGR5117 + [Figure]{ [Figure][Figure] 1024 }[Figure]
DS4177 + [Figure]{ [Figure][Figure] 1024 }[Figure]
BES*
64-bit modeMGR5645 + [Figure]{[Figure][Figure] 1024}[Figure]
DS8329 + [Figure]{[Figure][Figure] 1024}[Figure]
BES*
* The value must be obtained for each back-end server that contains the tables and indexes subject to analysis.

(3) Variables used in the formulas

[Figure](bytes):
{28000 + A + (10592 [Figure] a) + (10592 [Figure] b) + (10592 [Figure] c) + (2264 [Figure] d) + (848 [Figure] e) + (272 [Figure] f) + (432 [Figure] g) + (304 [Figure] h)}
[Figure](bytes):
{100000 + (1024 [Figure] d) + (2784 [Figure] i) + (2784 [Figure] j) + (2784 [Figure] k)}
Note