October 2010
Intermediate to advanced
468 pages
11h 35m
English
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Dedicated server guidelines
Initial server tuning can be turned into a fairly mechanical process:
- Adjust the logging default to be more verbose.
- Determine how large to set
shared_buffersto. Start at 25 percent of system memory. Considering adjusting upward if you're on a recent PostgreSQL version with spread checkpoints and know your workload benefits from giving memory directory to the buffer cache. If you're on a platform where this parameter is not so useful, limit its value or adjust downward accordingly. - Estimate your maximum connections generously, as this is a hard limit; clients will be refused connection once it's reached.
- Start the server with these initial parameters. Note how much memory is still available for the OS filesystem cache. ...
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