Index: buildbot/osuosl/master/config/builders.py
===================================================================
--- buildbot/osuosl/master/config/builders.py
+++ buildbot/osuosl/master/config/builders.py
@@ -823,7 +823,7 @@
 def _get_rev_iter_builders():
     return [
         {'name': "reverse-iteration",
-         'slavenames': ["hexagon-build-03"],
+         'slavenames': ["hexagon-build-02", "hexagon-build-03"],
          'builddir': "reverse-iteration",
          'factory': PollyBuilder.getPollyBuildFactory(
                 clean=True,
Index: buildbot/osuosl/master/master.cfg
===================================================================
--- buildbot/osuosl/master/master.cfg
+++ buildbot/osuosl/master/master.cfg
@@ -232,11 +232,12 @@
                                minute=0,
                                branch=None))
 
-c['schedulers'].append(Nightly(name="rev_iter_scheduler",
-                               builderNames=get_all_for("rev_iter"),
-                               hour=18,
-                               minute=0,
-                               branch=None))
+c['schedulers'].append(SingleBranchScheduler(name="rev_iter_scheduler",
+                                             treeStableTimer=2*60,
+                                             builderNames=get_all_for("rev_iter"),
+                                             change_filter=depends_on(["cfe",
+                                                                       "llvm",
+                                                                       "polly"])))
 
 c['schedulers'].extend(
     config.schedulers.getSingleBranchSchedulers(c['builders'], c['schedulers'])