diff --git a/services/caches.py b/services/caches.py
index 8869d61..e72b9a2 100644
--- a/services/caches.py
+++ b/services/caches.py
@@ -1,4 +1,4 @@
-# Copyright 2020 The Chromium Authors. All rights reserved.
+# Copyright 2020 The Chromium Authors
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 """Classes to manage cached values.
@@ -53,7 +53,7 @@
   def CacheAll(self, new_item_dict):
     """Cache all items in the given dict, dropping old items if needed."""
     if len(new_item_dict) >= self.max_size:
-      logging.warn('Dumping the entire cache! %s', self.kind)
+      logging.warning('Dumping the entire cache! %s', self.kind)
       self.cache = {}
     else:
       while len(self.cache) + len(new_item_dict) > self.max_size:
@@ -108,7 +108,6 @@
 
   def LocalInvalidateAll(self):
     """Invalidate all keys locally: just start over with an empty dict."""
-    logging.info('Locally invalidating all in kind=%r', self.kind)
     self.cache = {}
 
   def InvalidateAll(self, cnxn):
@@ -160,7 +159,7 @@
   def InvalidateKeys(self, cnxn, keys):
     """Drop keys locally, and append their values to the Invalidate DB table."""
     # Find values to invalidate.
-    values = [self.cache[key] for key in keys if self.cache.has_key(key)]
+    values = [self.cache[key] for key in keys if key in self.cache]
     if len(values) == len(keys):
       for value in values:
         self.LocalInvalidate(value)
@@ -346,7 +345,7 @@
             'kind': self.cache.kind,
             'prefix': self.prefix,
             'count': len(keys),
-            'keys': str(keys)
+            'keys': str(keys)[:100000]
         })
     memcache.delete_multi(
         [self._KeyToStr(key) for key in keys],