diff -urN spark.orig/Makefile spark/Makefile
--- spark.orig/Makefile	2022-10-08 13:19:11.528056000 +0200
+++ spark/Makefile	2022-10-08 13:24:28.573969000 +0200
@@ -26,9 +26,6 @@
 USE_RC_SUBR=	spark_master spark_worker
 SHEBANG_FILES=	bin/sparkR
 
-MAKE_ENV+=	JAVA_HOME=${JAVA_HOME} \
-		MAVEN_OPTS="-Xmx2g -XX:ReservedCodeCacheSize=2g"
-
 NO_ARCH=	yes
 
 SUB_LIST=	SPARK_GROUP=spark \
@@ -40,6 +37,18 @@
 PLIST_SUB=	VER=${PORTVERSION}
 
 .include <bsd.port.pre.mk>
+
+.if ${ARCH} == "amd64"
+	MAKE_ENV+=      JAVA_HOME=${JAVA_HOME} \
+        MAVEN_OPTS="-Xmx2g -XX:ReservedCodeCacheSize=2g"
+.elif ${ARCH} == "i386"
+        MAKE_ENV+=      JAVA_HOME=${JAVA_HOME} \
+        MAVEN_OPTS="-Xmx1g -XX:ReservedCodeCacheSize=1g"
+.else
+        MAKE_ENV+=      JAVA_HOME=${JAVA_HOME} \
+        MAVEN_OPTS="-Xmx2g -XX:ReservedCodeCacheSize=2g"
+.endif
+
 
 .if ${ARCH} == "amd64"
 JAVA_ARCH=	x86_64