diff --git a/webagg/aggregator.py b/webagg/aggregator.py
index cb7cf10a..73560ae0 100644
--- a/webagg/aggregator.py
+++ b/webagg/aggregator.py
@@ -15,7 +15,7 @@ from heapq import merge
 from collections import deque
 from itertools import chain
 
-from webagg.indexsource import FileIndexSource
+from webagg.indexsource import FileIndexSource, RedisIndexSource
 from pywb.utils.wbexception import NotFoundException, WbException
 
 from webagg.utils import ParamFormatter, res_template
@@ -51,14 +51,14 @@ class BaseAggregator(object):
             cdx_iter = iter([])
             err_list = [(name, repr(wbe))]
 
-        def add_name(cdx):
+        def add_name(cdx, name):
             if cdx.get('source'):
                 cdx['source'] = name + ':' + cdx['source']
             else:
                 cdx['source'] = name
             return cdx
 
-        return (add_name(cdx) for cdx in cdx_iter), err_list
+        return (add_name(cdx, name) for cdx in cdx_iter), err_list
 
     def load_index(self, params):
         res_list = self._load_all(params)
@@ -271,3 +271,16 @@ class CacheDirectoryIndexSource(DirectoryIndexSource):
         files = list(files)
         self.cached_file_list[the_dir] = (stat, files)
         return files
+
+
+#=============================================================================
+class RedisMultiKeyIndexSource(SeqAggMixin, BaseAggregator, RedisIndexSource):
+    def _iter_sources2(self, params):
+        redis_key_pattern = res_template(self.redis_key_template, params)
+
+        for key in self.redis.scan_iter(match=redis_key_pattern):
+            key = key.decode('utf-8')
+            yield '', RedisIndexSource(None, self.redis, key)
+
+    def _iter_sources(self, params):
+        return list(self._iter_sources2(params))
diff --git a/webagg/indexsource.py b/webagg/indexsource.py
index b37604ba..afb500e6 100644
--- a/webagg/indexsource.py
+++ b/webagg/indexsource.py
@@ -103,19 +103,30 @@ class LiveIndexSource(BaseIndexSource):
 
 #=============================================================================
 class RedisIndexSource(BaseIndexSource):
-    def __init__(self, redis_url):
+    def __init__(self, redis_url, redis=None, key_prefix=None):
+        if redis_url and not redis:
+            redis, key_prefix = self.parse_redis_url(redis_url)
+
+        self.redis = redis
+        self.redis_key_template = key_prefix
+
+    @staticmethod
+    def parse_redis_url(redis_url):
         parts = redis_url.split('/')
         key_prefix = ''
         if len(parts) > 4:
             key_prefix = parts[4]
             redis_url = 'redis://' + parts[2] + '/' + parts[3]
 
-        self.redis_url = redis_url
-        self.redis_key_template = key_prefix
-        self.redis = redis.StrictRedis.from_url(redis_url)
+        redis_key_template = key_prefix
+        red = redis.StrictRedis.from_url(redis_url)
+        return red, key_prefix
 
     def load_index(self, params):
-        z_key = res_template(self.redis_key_template, params)
+        return self.load_key_index(self.redis_key_template, params)
+
+    def load_key_index(self, key_template, params):
+        z_key = res_template(key_template, params)
         index_list = self.redis.zrangebylex(z_key,
                                             b'[' + params['key'],
                                             b'(' + params['end_key'])