Jim Mlodgenski

Jim Mlodgenski

Jim Mlodgenski

Principal Engineer, Amazon Web Services

Biography:

Principal database engineer at Amazon Web Services, Co-Chair - PGConf US, Director - United States PostgreSQL, Co-organizer of Philly PUG & NYC PUG, former CTO at OpenSCG


All Sessions

Top 10 Mistakes When Migrating From Oracle to PostgreSQL

As more and more people are moving to PostgreSQL from Oracle, a pattern of mistakes is emerging. They can be caused by the tools being used or just not understanding how PostgreSQL is different than Oracle. In this talk, we will discuss the top mistakes people generally make when moving to PostgreSQL from Oracle and what the correct course of action.

HOT - Understanding This Important Update Optimization

In this session, we will dive deep into HOT (Heap Only Tuple) update optimization. Utilizing this optimization can result in improved writes rates, less index bloat and reduced vacuum effort but to enable PostgreSQL to use this optimization may require changing your application design and database settings. We will examine how the number of indexes, frequency of updates, fill factor and vacuum settings can influence when HOT will be utilized and what benefits you may be able to gain.

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