V8 Buildbot: Switch slaves for better throughput and usability.

masters/master.client.v8.fyi/master.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 from buildbot.scheduler import Nightly
 from buildbot.scheduler import Triggerable
 from buildbot.schedulers.basic import SingleBranchScheduler
@@ skipping 98 matching lines @@
   },
   {
     'name': 'V8-Blink Linux 32',
     'factory': F('blink_downstream'),
     'category': CATEGORY_LAYOUT,
   },
   {
     'name': 'V8-Blink Linux 64',
     'factory': F('blink_downstream'),
     'category': CATEGORY_LAYOUT,
+    # Build all revisions.
+    'mergeRequests': False,
   },
   {
     'name': 'V8-Blink Linux 64 (dbg)',
     'factory': F('blink_downstream'),
     'category': CATEGORY_LAYOUT,
   },
   {
     'name': 'Linux Debug Builder',
     'factory': F('chromium', triggers=['cr_linux_dbg']),
     'category': CATEGORY_NONLAYOUT,
@@ skipping 165 matching lines @@
   mail_notifier_cfg.Update(config, ActiveMaster, c)
 
 # Adjust the buildCaches to be 3x the number of slaves per builder.
 c['autoBuildCacheRatio'] = 3
 
 
 ####### PROJECT IDENTITY
 
 c['projectName'] = ActiveMaster.project_name
 c['projectURL'] = config.Master.project_url