D.1 Maximum and minimum values related to system configuration
The following table shows the maximum and minimum values relevant to the HADB system configuration.
No. |
Item |
Minimum value |
Maximum value |
Unit |
---|---|---|---|---|
1 |
Total number of HADB users |
1 |
30,000 |
Users |
2 |
Total number of DB areas |
5 |
1,024 |
Areas |
3 |
Number of master directory DB areas |
1 |
Areas |
|
4 |
Number of dictionary DB areas |
1 |
Areas |
|
5 |
Number of system-table DB areas |
1 |
Areas |
|
6 |
Number of work table DB areas |
1 |
4#1 |
Areas |
7 |
Number of data DB areas |
1 |
1,014 |
Areas |
8 |
DB area name |
1 |
30 |
Bytes |
9 |
DB area file relative path name |
1 |
100 |
Bytes |
10 |
Size of dictionary DB area |
-- |
16 |
Terabytes |
11 |
Size of system-table DB area |
-- |
16 |
Terabytes |
12 |
Size of work table DB area |
-- |
Work table DB area page size x 4,294,967,295 |
Bytes |
13 |
Size of data DB area |
-- |
128 |
Exabytes |
14 |
Size of files in data DB area |
-- |
128 |
Petabytes |
15 |
Number of configuration files per DB area in data DB area |
1 |
1,024 |
Files |
16 |
Size of one work table |
-- |
Work table DB area page size x 4,294,967,295 |
Bytes |
17 |
Number of base tables that an HADB user can define |
0 |
4,096 |
Tables |
18 |
Number of viewed tables that an HADB user can define |
0 |
30,000 |
Tables |
19 |
Number of indexes that an HADB user can define |
0 |
8,192 |
Indexes |
20 |
Number of base tables in a DB area |
0 |
200 |
Tables |
21 |
Number of indexes per DB area |
0 |
400 |
Indexes |
22 |
Maximum number of statement handles |
4,095 |
Handles |
|
23 |
Maximum number of concurrent connections#2 |
1,024 |
Connections |
|
24 |
Page size (excluding work table DB areas) |
4,096 |
32,768 |
Bytes |
25 |
Work table DB area page size |
32,768 |
33,554,432 |
Bytes |
26 |
Number of master log files |
1 |
Files |
|
27 |
Number of user log files |
1 |
10,240 |
Files |
28 |
Number of chunks in a DB area |
1 |
30,000 |
Chunks |
29 |
Number of chunks that can be created in a base table |
1 |
30,000 |
Chunks |
30 |
Number of nodes when the multi-node function is used |
2 |
4 |
Nodes |
31 |
Number of synonym dictionaries an HADB user can register |
0 |
50 |
Synonym dictionaries |
- Legend:
-
--: Not applicable.
- #1
-
This is the maximum value applied when using the multi-node function. Because one work table DB area can be created in each node, up to 4 work table DB areas can be created.
- #2
-
When the multi-node function is used, this is the maximum number of concurrent connections for all HADB servers in the multi-node configuration.