MINOR Capture heap dump after OOM on CI

.github/workflows/build.yml

@@ -168,19 +168,17 @@ jobs:
           fi
 
   test:
-    needs: [configure, validate, load-catalog]
+    needs: [configure, load-catalog]
     if: ${{ ! needs.configure.outputs.is-draft }}
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         # If we change these, make sure to adjust ci-complete.yml
-        java: [ 23, 17 ]
-        run-flaky: [ true, false ]
-        run-new: [ true, false ]
-        exclude:
-          - run-flaky: true
-            run-new: true
+        java: [ 17 ]
+        run-flaky: [ true ]
+        run-new: [ false ]
+
     env:
       job-variation: ${{ matrix.java }}-${{ matrix.run-flaky == true && 'flaky' || 'noflaky' }}-${{ matrix.run-new == true && 'new' || 'nonew' }}
     name: JUnit tests Java ${{ matrix.java }}${{ matrix.run-flaky == true && ' (flaky)' || '' }}${{ matrix.run-new == true && ' (new)' || '' }}
@@ -195,8 +193,8 @@ jobs:
         uses: ./.github/actions/setup-gradle
         with:
           java-version: ${{ matrix.java }}
-          gradle-cache-read-only: ${{ !inputs.is-trunk }}
-          gradle-cache-write-only: ${{ inputs.is-trunk }}
+          gradle-cache-read-only: false
+          gradle-cache-write-only: false
           develocity-access-key: ${{ secrets.DEVELOCITY_ACCESS_KEY }}
 
       # If the load-catalog job failed, we won't be able to download the artifact. Since we don't want this to fail

build.gradle

@@ -54,7 +54,7 @@ ext {
   buildVersionFileName = "kafka-version.properties"
 
   defaultMaxHeapSize = "2g"
-  defaultJvmArgs = ["-Xss4m", "-XX:+UseParallelGC"]
+  defaultJvmArgs = ["-Xss4m", "-XX:+UseParallelGC", "-XX:-UseGCOverheadLimit"]
 
   // "JEP 403: Strongly Encapsulate JDK Internals" causes some tests to fail when they try
   // to access internals (often via mocking libraries). We use `--add-opens` as a workaround
@@ -525,7 +525,7 @@ subprojects {
     maxParallelForks = maxTestForks
     ignoreFailures = userIgnoreFailures
 
-    maxHeapSize = defaultMaxHeapSize
+    maxHeapSize = "3g"
     jvmArgs = defaultJvmArgs
 
     // KAFKA-17433 Used by deflake.yml github action to repeat individual tests

gradle.properties

@@ -28,5 +28,5 @@ scalaVersion=2.13.15
 # Adding swaggerVersion in gradle.properties to have a single version in place for swagger
 swaggerVersion=2.2.25
 task=build
-org.gradle.jvmargs=-Xmx4g -Xss4m -XX:+UseParallelGC
+org.gradle.jvmargs=-Xmx4g -Xss4m -XX:+UseParallelGC -XX:-UseGCOverheadLimit
 org.gradle.parallel=true