diff --git a/deep_sequencing_unit/resource/eclipse/DSU Data Store Server.launch b/deep_sequencing_unit/resource/eclipse/DSU Data Store Server.launch
index cc082aadd582b029848572b7677f2a5b9dd8b4ab..27b002429a8d711dcbee4a357809f987e6c1f2d9 100644
--- a/deep_sequencing_unit/resource/eclipse/DSU Data Store Server.launch	
+++ b/deep_sequencing_unit/resource/eclipse/DSU Data Store Server.launch	
@@ -10,5 +10,5 @@
 <booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="ch.systemsx.cisd.openbis.dss.generic.DataStoreServer"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="deep_sequencing_unit"/>
-<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xmx512M&#13;-ea&#10;-Dpython.path=../libraries/jython/jython-lib"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Xmx2G&#13;-ea&#10;-Dpython.path=../libraries/jython/jython-lib"/>
 </launchConfiguration>