8370813: Deprecate AggressiveHeap

[jsikstro]

Hello,

This RFE deprecates the AggressiveHeap flag in JDK 26. Please see the CSR for specific details on why this flag is being deprecated and workarounds for users interested in keeping similar behavior in the future.

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Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change requires CSR request JDK-8370814 to be approved

Issues

• JDK-8370813: Deprecate AggressiveHeap (Enhancement - P4)
• JDK-8370814: Deprecate AggressiveHeap (CSR)

Reviewers

• Albert Mingkun Yang (@albertnetymk - Reviewer)
• Aleksey Shipilev (@shipilev - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk.git pull/28144/head:pull/28144
$ git checkout pull/28144

Update a local copy of the PR:
$ git checkout pull/28144
$ git pull https://git.openjdk.org/jdk.git pull/28144/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 28144

View PR using the GUI difftool:
$ git pr show -t 28144

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk/pull/28144.diff

Using Webrev

Link to Webrev Comment

[bridgekeeper]

👋 Welcome back jsikstro! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

@jsikstro This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8370813: Deprecate AggressiveHeap

Reviewed-by: ayang, shade

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 21 new commits pushed to the master branch:

• 1b3889a: 8354937: Cleanup some sparc related coding in os_linux
• db76479: 8371316: Adjust assertion (GC pause time cannot be smaller than the sum of each phase) in G1GCPhaseTimes::print
• ac9cf5d: 8370878: C1: Clean up unnecessary ConversionStub constructor
• ... and 18 more: https://git.openjdk.org/jdk/compare/f5d8bd0dd50bcd963b4062997aecb4e15249e30d...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[openjdk]

@jsikstro The following labels will be automatically applied to this pull request:

• graal
• hotspot

When this pull request is ready to be reviewed, an "RFR" email will be sent to the corresponding mailing lists. If you would like to change these labels, use the /label pull request command.

[jsikstro]

/label remove graal

[openjdk]

@jsikstro
The graal label was successfully removed.

[mlbridge]

Webrevs

• 00: Full (f3862205)

[jsikstro]

Thank you for the reviews! @albertnetymk @shipilev
/integrate

[openjdk]

Going to push as commit 2c378e2.
Since your change was applied there have been 65 commits pushed to the master branch:

• 0c1b726: 8366990: C2: Compilation hits the memory limit when verifying loop opts in Split-If code
• 5e8bf7a: 8369646: Detection of redundant conversion patterns in add_users_of_use_to_worklist is too restrictive
• 79fee60: 8371473: Problem list TestEmergencyDumpAtOOM.java on ppc64 platforms related to JDK-8371014
• ... and 62 more: https://git.openjdk.org/jdk/compare/f5d8bd0dd50bcd963b4062997aecb4e15249e30d...master

Your commit was automatically rebased without conflicts.

[openjdk]

@jsikstro Pushed as commit 2c378e2.

💡 You may see a message that your pull request was closed with unmerged commits. This can be safely ignored.