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🐛 Bump max memory limit for JVM #52

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🐛 Bump max memory limit for JVM #52

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2 changes: 1 addition & 1 deletion gradle.properties
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
# KOTLIN
kotlin.code.style=official
# JVM
org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
org.gradle.jvmargs=-Xmx8192M -Dkotlin.daemon.jvm.options\="-Xmx8192M" -Dfile.encoding\=UTF-8

@coderabbitai coderabbitai Bot Apr 20, 2026

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🧹 Nitpick | 🔵 Trivial

Consider setting initial heap size and providing justification.

Two operational recommendations:

  1. Add -Xms (initial heap size): Setting only -Xmx means the JVM starts with a small heap and expands gradually, causing frequent GC pauses during growth. Consider adding -Xms4096M or -Xms8192M for more predictable performance.

  2. Document the rationale: The PR mentions "some new projects encountered problems" but doesn't specify what problems or why 8GB is the appropriate fix. This makes it difficult to assess whether this is addressing the root cause or masking an underlying issue (e.g., memory leaks, inefficient build configuration, missing build cache configuration).

💡 Example with initial heap size 
-org.gradle.jvmargs=-Xmx8192M -Dkotlin.daemon.jvm.options\="-Xmx8192M" -Dfile.encoding\=UTF-8
+org.gradle.jvmargs=-Xms4096M -Xmx8192M -Dkotlin.daemon.jvm.options\="-Xms4096M -Xmx8192M" -Dfile.encoding\=UTF-8
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
org.gradle.jvmargs=-Xmx8192M -Dkotlin.daemon.jvm.options\="-Xmx8192M" -Dfile.encoding\=UTF-8
org.gradle.jvmargs=-Xms4096M -Xmx8192M -Dkotlin.daemon.jvm.options\="-Xms4096M -Xmx8192M" -Dfile.encoding\=UTF-8
🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In `@gradle.properties` at line 4, Update the org.gradle.jvmargs setting to
include an explicit initial heap size (add -Xms4096M or -Xms8192M) so the JVM
doesn’t frequently expand the heap during builds, and add a short comment or
commit message justification near the org.gradle.jvmargs change explaining why
8GB (and the chosen Xms) was selected and what specific build problems it
addresses (e.g., OOMs during parallel compilation, large project classpath, or
GC stalls) so reviewers can assess the fix versus underlying issues.

🧹 Nitpick | 🔵 Trivial

🧩 Analysis chain

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#!/bin/bash
# Description: Check CI runner memory configuration and verify against 8GB requirement

# Check GitHub Actions workflow files for memory/resource configuration
echo "=== Checking for explicit runner memory configuration ==="
rg -n "memory|ram|resources" --iglob "*.yml" --iglob "*.yaml" .github/

echo -e "\n=== Checking runner machine type specifications ==="
rg -n "runs-on:" --iglob "*.yml" --iglob "*.yaml" .github/

Repository: MateeDevs/MateeStarter

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cat .github/workflows/an_pr_build.yml

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# Search for documentation about the self-hosted runner setup
fd -type f \( -name "*.md" -o -name "*.txt" -o -name "*.yml" -o -name "*.yaml" \) -path "*/docs/*" -o -path "*/.github/*" | xargs grep -l "pikachu\|self-hosted" 2>/dev/null | head -10

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# Check if there's any gradle wrapper or build.gradle configuration
find . -maxdepth 3 -type f \( -name "build.gradle*" -o -name "settings.gradle*" -o -name "gradle.properties" \)

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# Check Kotlin daemon options documentation and validate syntax
# Look for any existing references to kotlin.daemon.jvm.options in codebase
rg "kotlin\.daemon\.jvm\.options" -type yml -type yaml -type properties

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cat -n gradle.properties

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rg "pikachu" --type-not binary

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git log --oneline --all -20 | head -20

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# Check if there are any environment or configuration docs
find . -maxdepth 2 -type f \( -name "*.md" -o -name "README*" -o -name "SETUP*" \) | xargs cat 2>/dev/null | head -100

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# Verify kotlin.daemon.jvm.options syntax by checking Kotlin/Gradle documentation patterns
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rg -i "memory|heap|jvm.*args" --type md

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Justify the 8GB heap increase and investigate the root cause of memory issues.

This commit increases the maximum JVM heap from 2GB to 8GB (4x increase) without explaining why. While your CI uses a self-hosted runner (pikachu) that likely has adequate memory, such a significant increase warrants:

  1. Document the root cause: What specific "memory problems" were encountered? Provide PR/issue details or reproduction steps.
  2. Investigate alternatives before raising heap limits:
    • Are there unnecessary objects kept in memory?
    • Are there caching issues (--no-build-cache and --no-configuration-cache flags in workflow suggest potential optimization)?
    • Is the issue with Gradle daemon memory specifically, or overall JVM pressure?
  3. Consider environment-specific configuration: Different settings for local development vs. CI via GRADLE_OPTS environment variable or build-type specific overrides, rather than a blanket 8GB global default.

The kotlin.daemon.jvm.options syntax is correct, but the lack of initial heap size (-Xms) means the JVM starts small and expands dynamically—consider also setting -Xms4096M for more predictable memory behavior.

🤖 Prompt for AI Agents 
Verify each finding against the current code and only fix it if needed.

In `@gradle.properties` at line 4, The gradle.properties change bumps
org.gradle.jvmargs to -Xmx8192M without justification or environment-specific
handling; update the PR by documenting the exact memory failures/repro steps or
linked issue/CI logs, investigate and report whether the problem is due to
Gradle daemon vs overall JVM pressure (check kotlin.daemon.jvm.options
behavior), try mitigations (identify retained objects/caches, test builds with
--no-build-cache and --no-configuration-cache, reproduce with smaller -Xmx) and
if heap increase is required, make it environment-specific (use GRADLE_OPTS or
CI-specific override) and consider adding -Xms (e.g., -Xms4096M) for predictable
startup; include these findings and the chosen fix in the PR description and
adjust org.gradle.jvmargs and kotlin.daemon.jvm.options accordingly.

@gemini-code-assist gemini-code-assist Bot Apr 20, 2026

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high

Allocating 8GB to both the Gradle daemon and the Kotlin daemon (via -Dkotlin.daemon.jvm.options) creates a 16GB memory requirement that will likely crash CI runners and developer machines with limited RAM. Consider using a more reasonable limit, such as 4GB, and ensure the total memory footprint is sustainable. Additionally, the backslash escapes for = and " are unnecessary in gradle.properties values.

org.gradle.jvmargs=-Xmx4096M -Dkotlin.daemon.jvm.options="-Xmx4096M" -Dfile.encoding=UTF-8

# ANDROID
android.useAndroidX=true
# MP
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