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Nonstop Database, HiRDB Version 9 Installation and Design Guide
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The following table lists maximum and minimum values for the HiRDB system configuration.
Table A-1 Maximum and minimum values for the HiRDB system configuration
| Item | Minimum value | Maximum value | Units |
|---|---|---|---|
| Number of servers that can be created per unit | 1 | 34 | Count |
| Number of single servers | 1 | 1 | Count |
| Number of system managers | 1 | 1 | Count |
| Number of front-end servers | 1 | 1,024 | Count |
| Number of dictionary servers | 1 | 1 | Count |
| Number of back-end servers | 1 | 16,382 | Count |
| Total number of RDAREAs | 3 | 8,388,592 | Count |
| Number of master directory RDAREAs | 1 | 1 | Count |
| Number of data directory RDAREAs | 1 | 1 | Count |
| Number of data dictionary RDAREAs | 1 | 59 | Count |
| Number of data dictionary RDAREAs that store database state analyzed tables and database management tables | 1 | 1 | Count |
| Number of user RDAREAs | 0 | 8,388,589 | Count |
| Number of data dictionary LOB RDAREAs | 0 | 2 | Count |
| Number of user LOB RDAREAs | 0 | 8,388,325 | Count |
| Number of registry RDAREAs | 0 | 1 | Count |
| Number of registry LOB RDAREAs | 0 | 1 | Count |
| Number of list RDAREAs | 0 | 8,388,588 | Count |
| Number of HiRDB files per RDAREA | 1 | 16 | Count |
| Number of base tables and sequence generators per RDAREA | 0 | 500 | Count |
| Number of indexes per RDAREA | 0 | 500 | Count |
| Number of lists per RDAREA | 0 | 50,000 | Count |
| Total number of HiRDB files | 1 | 134,217,728 | Count |
| Number of concurrently accessible tables | 4 | 32,000 | Count |
| Maximum number of concurrent connections | 1 | For HiRDB/Single Server: 3,000 For HiRDB/Parallel Server: 2,000#1 |
Count |
| Maximum number of users that can be created by HiRDB#2 | 1 | Unlimited | Count |
| Number of users who can own the same list | 0 | 32,767 | Count |
| Number of lists created per user | 0 | 32,767 | Count |
| Number of work tables created per transaction | 0 | 255 | Count |
| Number of global buffers per server#3 | 1 | 2,000,000 | Count |
| HiRDB file system area | 1 | 1,048,575 | MB |
| Windows file size | 0 | 263#1 | Bytes |
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