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PostgreSQL 10 Administration Cookbook - Fourth Edition
book

PostgreSQL 10 Administration Cookbook - Fourth Edition

by Simon Riggs, Gianni Ciolli
May 2018
Intermediate to advanced content levelIntermediate to advanced
576 pages
30h 25m
English
Packt Publishing
Content preview from PostgreSQL 10 Administration Cookbook - Fourth Edition

How to do it…

Connections can be prevented in a number of ways, as follows:

  • Pause and resume the session pool. See the Setting up a connection pool recipe later in this chapter on controlling connection pools.
  • Stop the server! See the Stopping the server safely and quickly and Stopping the server in an emergency recipes, but this is not recommended.
  • Restrict the connections for a specific database to zero, by setting the connection limit to zero:
ALTER DATABASE foo_db CONNECTION LIMIT 0;
  • This will limit normal users from connecting to that database, though it will still allow superuser connections.
  • Restrict the connections for a specific user to zero by setting the connection limit to zero (see the Restricting users to only one session ...
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Publisher Resources

ISBN: 9781788474924Supplemental Content