Bump up block sizes in client

This will help amortize the sqlite synchronization costs.

nilmdb/client/client.py

@@ -220,7 +220,7 @@ class StreamInserter(object):
     # These are soft limits -- actual data might be rounded up.
     # We send when we have a certain amount of data queued, or
     # when a certain amount of time has passed since the last send.
-    _max_data = 1048576
+    _max_data = 2 * 1024 * 1024
     _max_time = 30
 
     # Delta to add to the final timestamp, if "end" wasn't given

nilmdb/server/server.py

@@ -400,7 +400,7 @@ class Server(object):
             'server.socket_host': host,
             'server.socket_port': port,
             'engine.autoreload_on': False,
-            'server.max_request_body_size': 4*1024*1024,
+            'server.max_request_body_size': 8*1024*1024,
             })
         if self.embedded:
             cherrypy.config.update({ 'environment': 'embedded' })