Pubsub: Restrict full pending builds states to 25 per builder (from 75)

scripts/master/pubsub_json_status_push.py

Index: scripts/master/pubsub_json_status_push.py
diff --git a/scripts/master/pubsub_json_status_push.py b/scripts/master/pubsub_json_status_push.py
index 8df82064e8b7a81fb1a9bd728faebfc171f967d0..06b5b941323e5cc268d17df90242216166cf8c2c 100644
--- a/scripts/master/pubsub_json_status_push.py
+++ b/scripts/master/pubsub_json_status_push.py
@@ -372,10 +372,10 @@ class StatusPush(StatusReceiverMultiService):
       # This requires a deferred call since the data is queried from
       # the postgres DB (sigh).
       pending = yield builder.getPendingBuildRequestStatuses()
-      # Optimization cheat: only get the first 75 pending builds.
-      # This caps the amount of postgres db calls for really out of
-      # control builders
-      pending = pending[:75]
+      # Optimization cheat: only get the first 25 pending builds.
+      # This caps the amount of postgres db calls and json size for really out
+      # of control builders
+      pending = pending[:25]
       pendingStates = yield defer.DeferredList(
           [p.asDict_async() for p in pending])
       # Not included: basedir, cachedBuilds.