PGCon2010

PGCon 2010

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Probing PostgreSQL with DTrace and SystemTap

Operating system developments in recent years have provided administrators with new and powerful ways of peeking into live, production applications to investigate behaviors and solve problems in real time without significant system impact. PostgreSQL provides several probe points allowing these dynamic tracing tools access to running applications that was formerly available only with a debugger. In this discussion we will explore the DTrace and SystemTap applications and some of their capabilities, with specific focus on PostgreSQL.

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