JEP proposed to target JDK 26: 522: G1 GC: Improve Throughput by Reducing Synchronization

Mark Reinhold mark.reinhold at oracle.com
Tue Sep 16 14:52:10 UTC 2025


2025/9/8 15:22:59 -0400, Mark Reinhold:
> The following JEP is proposed to target JDK 26:
>
>   522: G1 GC: Improve Throughput by Reducing Synchronization
> https://openjdk.org/jeps/522
>
>   Summary: Increase application throughput when using the G1 garbage
>   collector by reducing the amount of synchronization required between
>   application threads and GC threads.
>
> Feedback on this proposal from JDK Project Committers and Reviewers [1]
> is more than welcome, as are reasoned objections.  If no such objections
> are raised by 20:00 UTC on Monday, 15 September, or if they’re raised
> and then satisfactorily answered, then per the JEP 2.0 process proposal
> [2] I’ll target this JEP to JDK 26.

Hearing no objection, I’ve targeted this JEP to JDK 26.

- Mark


More information about the jdk-dev mailing list