Cloud Native, Data & InfrastructureCloud Native, Data & Infrastructure
Conference50min
INTERMEDIATE

When ORM Becomes OMG: Performance Pitfalls in JPA and Friends

This talk examines common JPA performance pitfalls, from unexpected data loading and transaction issues to connection mismanagement. Using a sample app, it shows how libraries and tooling can reveal real-world ORM problems and help prevent slowdowns in Spring Data JPA applications.

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Jos Roseboom
Jos RoseboomEasingYou

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Thursday, October 8, 10:40-11:30
TBA 5
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talks.description
JPA makes database interaction feel almost magical—until your app grinds to a halt. In this talk, we’ll take a tour through the common (and not-so-common) performance pitfalls that turn object-relational mapping into an object-relational mess. From data loading surprises to connection mismanagement, we’ll explore real-world issues using a sample app: the FunFactStore, where fun facts are sold, but bugs are free.

We’ll dig into how seemingly harmless libraries can sometimes do more harm than good, and how tooling can help you spot trouble before your users do. Whether you’re using Spring Data JPA, navigating tricky transaction boundaries, or just wondering why things suddenly got slow, this session offers practical insights—and maybe a few fun facts.
jpa
performance
orm
transactions
talks.speakers
Jos Roseboom

Jos Roseboom

EasingYou

Netherlands

Jos gets a smile on his face when he makes other people happy by letting a computer do what they don’t like to do. He has been trying to do so professionally for the past 17 years.

In his spare time, Jos likes to play tennis. He is a trainer/coach for kids playing the typical Dutch sport korfball.