OZG-7426 adjust memory settings

vorgang-manager-server/pom.xml

@@ -400,7 +400,7 @@
 							<BPE_APPEND_JAVA_TOOL_OPTIONS>-Dfile.encoding=UTF-8</BPE_APPEND_JAVA_TOOL_OPTIONS>
 							<BPE_APPEND_JAVA_TOOL_OPTIONS>-Dio.grpc.netty.shaded.io.netty.maxDirectMemory=0</BPE_APPEND_JAVA_TOOL_OPTIONS>
 <!--							<BPE_APPEND_JAVA_TOOL_OPTIONS>-Dio.grpc.netty.shaded.io.netty.noPreferDirect=true</BPE_APPEND_JAVA_TOOL_OPTIONS>-->
-							<BPE_APPEND_JAVA_TOOL_OPTIONS>-XX:MaxDirectMemorySize=1g</BPE_APPEND_JAVA_TOOL_OPTIONS>
+							<BPE_APPEND_JAVA_TOOL_OPTIONS>-XX:MaxDirectMemorySize=512m</BPE_APPEND_JAVA_TOOL_OPTIONS>
 
 							<BPE_APPEND_LC_ALL>en_US.UTF-8</BPE_APPEND_LC_ALL>
 						</env>