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Editorial Team
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Asked: 2026-06-14T03:54:59+00:00

We are building a product, so from performance point of view I need some

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We are building a product, so from performance point of view I need some help.
We are using complete Spring (MVC, JPA, Security etc..)

We have a requirement where say for a particular flow there can be 100 Business Rules getting executed at the same time. There can be n number of such flows and business rules.

These rules when executed actually fetch records from tables in database, these will contain few LAZILY INITIALIZED ENTITIES also.

I used Futures/Callables for multi threading purpose, but the problem is it fails to load LAZY variables. It gives Hibernate loading exception, probably some issue in TRANSACTIONAL not getting distributed in different threads.

Please let me know if there is any other way to approach?

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  1. Editorial Team

    If you really need async processing then I suggest you use the Java EE specified way i.e. using JMS/MDB.

    Anyways, since it seems like you want all the data to be loaded anyway for your processing. So Eager fetch all the required data and then submit the data for parallel processing. Or let each of the Tasks (Callables) fetch the data they require. Essentially, I am asking you to change your design so that the transactional boundaries doesn’t cross multiple threads. Localize the boundaries within a single thread.

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