What Is Going On?

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A introduction to using system tools to identify what the system is doing. This will go over using top and iostat to determine what the system is physically doing, and then using tools like ps and querying the PostgreSQL system catalog tables to determine what queries are running, what locks have been acquired, and where the tables and indexes are physically located on the system in order to correlate the physical activity to what the database is doing.

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What Is Going On?

  1. 1. What is going on? PostgreSQL Conference Fall 2007 October 20, 2007 Mark Wong markwkm@gmail.com
  2. 2. Overview Use commonly available system tools and PostgreSQL's system catalog tables to examine how the system is being utilized. 2007/10/20 What is going on? 2
  3. 3. At first glance, general systems statistics What tools do you like to use? 2007/10/20 What is going on? 3
  4. 4. Suggestions for some tools ● top ● iostat ● ps 2007/10/20 What is going on? 4

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