January 2019
Beginner
556 pages
14h 19m
English
Content preview from Learning PostgreSQL 11 - Third Edition
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Maximum number of connections
The maximum number of connections is an important parameter when configuring a database. Each client connection consumes memory, which also affects the total amount of memory that can be allocated for other purposes. The max_connections configuration parameter's default value is 100; lowering this value allows the database administrator to increase the work_mem setting. In general, it's a good practice to use connection-pooling software to reduce the amount of memory used and increase performance, as killing and establishing a connection wastes time. There are a lot of connection-pooling tools, but the most mature ones are as follows:
- PgBouncer
- Pgpool-II
Also, you could use connection pooling on the business ...
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