Index: ../trunk-jpl/test/NightlyRun/test511.py
===================================================================
--- ../trunk-jpl/test/NightlyRun/test511.py	(revision 18994)
+++ ../trunk-jpl/test/NightlyRun/test511.py	(revision 18995)
@@ -33,7 +33,7 @@
 md.inversion.vx_obs=md.initialization.vx
 md.inversion.vy_obs=md.initialization.vy
 
-md.cluster=generic('name',oshostname(),'np',3)
+md.cluster=generic('name',oshostname(),'np',1)
 md=solve(md,StressbalanceSolutionEnum())
 
 #Fields and tolerances to track changes
