From 6de9227c6faa1f71928f7c56a133af2d4369fd74 Mon Sep 17 00:00:00 2001
From: Vadim Pakhnushev <8614891+valepakh@users.noreply.github.com>
Date: Tue, 9 Dec 2025 17:09:57 +0300
Subject: [PATCH 1/2] IGNITE-27299 Limit maximum heap size in CLI

---
 packaging/build.gradle | 1 +
 1 file changed, 1 insertion(+)

diff --git a/packaging/build.gradle b/packaging/build.gradle
index 46b111ade928..d10fac0a6068 100644
--- a/packaging/build.gradle
+++ b/packaging/build.gradle
@@ -69,6 +69,7 @@ def cliStartScript = tasks.register('cliStartScript', CreateStartScripts) {
     classpath = files 'lib/*'
     outputDir = file "$buildDir/scripts"
     applicationName = 'ignite3'
+    defaultJvmOpts += ['--add-opens=java.base/java.lang=ALL-UNNAMED', '-Xmx256m']
 }
 
 def tokens = [

From 965d25b264c70a6cf0c973ff8f5fe0cf8aed4646 Mon Sep 17 00:00:00 2001
From: Vadim Pakhnushev <8614891+valepakh@users.noreply.github.com>
Date: Tue, 9 Dec 2025 17:12:48 +0300
Subject: [PATCH 2/2] Limit everywhere

---
 packaging/cli/build.gradle | 2 +-
 packaging/cli/start.sh     | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/packaging/cli/build.gradle b/packaging/cli/build.gradle
index fe59d88a71d4..d84feda4ac13 100644
--- a/packaging/cli/build.gradle
+++ b/packaging/cli/build.gradle
@@ -84,7 +84,7 @@ def cliStartScript = tasks.register('cliStartScript', CreateStartScripts) {
     classpath = files(new File("../lib/*"))
     outputDir = file "$buildDir/scripts"
     applicationName = 'ignite3'
-    defaultJvmOpts += '--add-opens=java.base/java.lang=ALL-UNNAMED'
+    defaultJvmOpts += ['--add-opens=java.base/java.lang=ALL-UNNAMED', '-Xmx256m']
 }
 
 def windowsCliStartScript = tasks.register('windowsCliStartScript', Copy) {
diff --git a/packaging/cli/start.sh b/packaging/cli/start.sh
index d0ab0a159cc3..d5085c35f597 100644
--- a/packaging/cli/start.sh
+++ b/packaging/cli/start.sh
@@ -25,6 +25,7 @@ MAIN_CLASS="@MAIN_CLASS@"
 
 DEFAULT_JVM_OPTS="-Dfile.encoding=UTF-8 \
     --add-opens=java.base/java.lang=ALL-UNNAMED \
+    -Xmx256m \
     -XX:+HeapDumpOnOutOfMemoryError \
     -XX:+ExitOnOutOfMemoryError \
     -XX:HeapDumpPath=${LOG_DIR}"