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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…

There are four main things to check, which are as follows:

  1. Make sure you run VACUUM on system tables, or enable autovacuum to do this for you.
  2. Monitor running queries to see how many temporary files are active and how large they are.
  3. Tune the memory parameters. Think about increasing the temp_buffers parameter, but be careful not to over-allocate memory by doing so.
  1. Separate the temp table's I/O. In a query-intensive system, you may find that reads/writes to temporary files exceed reads/writes on permanent data tables and indexes. In this case, you should create new tablespace(s) on separate disks, and ensure that the temp_tablespaces parameter is configured to use the additional tablespace(s).
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Publisher Resources

ISBN: 9781788474924Supplemental Content