Shared server guidelines
If your database server is sharing hardware with another use, particularly the common situation where a database-driven application is installed on the same system, you cannot be nearly as aggressive in your tuning as described in the last section. An exact procedure is harder to outline. What you should try to do is use tuning values for the memory-related values on the low side of recommended practice:
- Only dedicate 10 percent of RAM to
shared_buffers
at first, even on platforms where more would normally be advised - Set
effective_cache_size
to 50 percent or less of system RAM, perhaps less if you know your application is going to be using a lot of it - Be very stingy about increases to
work_mem
The other suggestions in the ...
Get PostgreSQL 9.0 High Performance now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.