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Re: [jta-dev] Enhancement of the @Transactional Annotation
According to the Spring informat ion I don't think making a transaction read-only necessarily informs participants of the transaction, rather it's some optimization for the transaction manager to use. Maybe it just can just go through optimization in the logging or something like that?

On Mon, 5 Dec 2022 at 23:35, Christian Beikov <christian.beikov@xxxxxxxxx> wrote:

Hi,

Marking a transaction as read only has some nice performance benefits as that can allow Hibernate/JPA to avoid some costly operations. Also, I think it would be nice if the datasource implementation could switch between actual connection pools based on the read-only flag, to e.g. direct read-only queries to a hot-standby instead of the primary database.

+1 from me for this!

Am 05.12.2022 um 18:08 schrieb arjan tijms:
Hi,

Sounds useful to me indeed. Thanks for starting this.

Kind regards,
Arjan Tijms

On Sun, Dec 4, 2022 at 4:44 PM Benedict Eisenkrämer <benedict@xxxxxxxxxxxxxx> wrote:

Hello there,

I am new to this mailing list so maybe a few short words to myself first: I am a Software Engineer in Germany responsible for our JavaEE, soon to be JakartaEE framework. I am quiet interested in  JakartaEE and its development.

The topic I would like to discuss is the enhancement of the @Transactional Annotation for JakartaEE 11. A good template would be the Spring specific Annotation of the same name which supports among other things :

  • Isolation levels
  • timeout
  • readOnly

I already found a issue on github regarding the Topic, which unfortunately has not seen any attention given to it since 2016. So I wanted to spark a discussion.

In my opinion these enhancement could be quiet helpful.


Thanks in advance and best regards

Benedict Eisenkrämer

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