JDK-8364212 : Shenandoah: Rework archived objects loading
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 25,26
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2025-07-28
  • Updated: 2025-09-18
  • Resolved: 2025-08-05
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JDK 25 JDK 26
25.0.2Fixed 26 b10Fixed
Related Reports
Blocks :  
JDK-8358340 - Support CDS heap archive with Generational Shenandoah
Relates :  
JDK-8293650 - Shenandoah: Support archived heap objects
Description
As continuation of JDK-8293650, we would want to avoid allocating CDS archives as humongous regions and then flipping them back to regular state. This already complicates the region accounting significantly, and was a source a few bugs. We can rework the CDS archive load to cleanly ask collector for a contiguous set of regular regions.
Comments
[jdk25u-fix-request] Approval Request from Aleksey Shipilëv Improves Shenandoah reliability with CDS/AOT. Serves as per-requisite for Generational Shenandoah fixes. Applies cleanly. Was in mainline for several weeks without bugtail. The patch is fully contained within Shenandoah code.
16-09-2025
A pull request was submitted for review. Branch: master URL: https://git.openjdk.org/jdk25u/pull/206 Date: 2025-09-16 17:37:38 +0000
16-09-2025
Changeset: 68a35511 Branch: master Author: Aleksey Shipilev <shade@openjdk.org> Date: 2025-08-05 18:34:07 +0000 URL: https://git.openjdk.org/jdk/commit/68a35511ebd3fd77716242db973104657bc7b541
05-08-2025
A pull request was submitted for review. Branch: master URL: https://git.openjdk.org/jdk/pull/26510 Date: 2025-07-28 15:36:22 +0000
28-07-2025