From a380a822342c4e399b200f40204edf705a00e906 Mon Sep 17 00:00:00 2001
From: ConnorYoh <40631091+ConnorYoh@users.noreply.github.com>
Date: Mon, 27 Jul 2026 11:46:56 +0100
Subject: [PATCH] build: raise Gradle daemon heap to avoid intermittent CI OOM
 (#7151)
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## Problem

The `build (25, saas)` CI job intermittently fails with:

```
The Daemon will expire immediately since the JVM garbage collector is thrashing.
The currently configured max heap space is '512 MiB' and the configured max metaspace is '384 MiB'.
FAILURE: Build failed with an exception.
* What went wrong:
Gradle build daemon has been stopped: since the JVM garbage collector is thrashing
```

`gradle.properties` never set `org.gradle.jvmargs`, so the daemon runs
on Gradle's 512 MiB default heap. The larger builds — the `saas` flavor
in particular, which compiles core + proprietary + saas — exhaust it
under `org.gradle.parallel=true`, and the daemon dies mid-build. It's
flaky (passes on re-run), which makes it a recurring, noisy CI failure.

## Fix

```properties
org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=1g
```

2 GiB heap + 1 GiB metaspace gives comfortable headroom on GitHub-hosted
runners and typical dev machines, well clear of the thrash point.
One-line, repo-wide config change.

## Verification

- `./gradlew help` starts the daemon cleanly with the new args (no
malformed-arg failure).
- The real signal is CI: this branch's `build (25, saas)` should stop
OOM-ing.

Split out from #7048 (Plan & Usage) since it's unrelated build
infrastructure.
---
 gradle.properties | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/gradle.properties b/gradle.properties
index e99fbdc918..0e8306a444 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,3 +1,9 @@
+# Gradle daemon heap. The default (512 MiB) is exhausted by the larger builds
+# (notably the saas flavor) under parallel execution, causing intermittent
+# "JVM garbage collector is thrashing" daemon deaths in CI. 2 GiB heap + 1 GiB
+# metaspace gives comfortable headroom on CI runners and typical dev machines.
+org.gradle.jvmargs=-Xmx2g -XX:MaxMetaspaceSize=1g
+
 # Enables parallel execution of tasks, allowing multiple tasks to run simultaneously
 org.gradle.parallel=true