{
   "_table" : "medium_format",
   "_operation" : "update",
   "id" : 12
}

Traceback (most recent call last):
  File "sir/amqp/handler.py", line 120, in wrapper
    f(self=self, parsed_message=parsed_message)
  File "sir/amqp/handler.py", line 262, in index_callback
    self._index_by_pk(parsed_message)
  File "sir/amqp/handler.py", line 361, in _index_by_pk
    self._index_data(core_name, ids, extra_data)
  File "sir/amqp/handler.py", line 331, in _index_data
    raise INDEX_LIMIT_EXCEEDED(core_name, total_ids, extra_data)
INDEX_LIMIT_EXCEEDED: Index limit exceeded. Entity: recording, Total Rows: 4712506, Extra Data: {'path': 'tracks.medium.format', 'table_name': u'medium_format', 'select_query': 'SELECT recording_1.id AS recording_1_id 
FROM musicbrainz.recording AS recording_1 JOIN musicbrainz.track AS track_1 ON recording_1.id = track_1.recording JOIN musicbrainz.medium AS medium_1 ON medium_1.id = track_1.medium JOIN musicbrainz.medium_format ON musicbrainz.medium_format.id = medium_1.format 
WHERE musicbrainz.medium_format.id = :id_1'}