Added number of builddicts and buildsets to the logging

scripts/master/try_job_rietveld.py

Index: scripts/master/try_job_rietveld.py
diff --git a/scripts/master/try_job_rietveld.py b/scripts/master/try_job_rietveld.py
index 8e7f87250ef2643ae3e6ae4e65870dea42f30e9a..1682a0327c3ee91114942a08377362dac3106384 100644
--- a/scripts/master/try_job_rietveld.py
+++ b/scripts/master/try_job_rietveld.py
@@ -244,7 +244,7 @@ class _RietveldPollerWithCache(base.PollingChangeSource):
     # Get all BuildBot build requests.
     brdicts = yield self.master.db.buildrequests.getBuildRequests()
 
-    log.msg('[RPWC] Received build request dicts')
+    log.msg('[RPWC] Received %d build request dicts' % len(brdicts))
 
     def asNaiveUTC(dt):
       if dt is None:
@@ -261,6 +261,8 @@ class _RietveldPollerWithCache(base.PollingChangeSource):
       if bsid is not None:
         buildsets[bsid] = asNaiveUTC(brdict.get('submitted_at'))
 
+    log.msg('[RPWC] Processing %d buildsets' % len(buildsets))
+
     # Find jobs for each buildset and add them to the processed keys cache.
     self._processed_keys = {}
     for bsid in buildsets.keys():