ResponseError: Command # 1 (LLEN ea716732-e499-35ca-8c3b-ea8981715b3f.reply.celery.pidbox) of pipeline caused er...

[sentry-io]

Sentry Issue: MICROMASTERS-52X

ExecAbortError: Transaction discarded because of previous errors.
  File "redis/client.py", line 3570, in _execute_transaction
    response = self.parse_response(connection, '_')
  File "redis/client.py", line 3635, in parse_response
    result = Redis.parse_response(
  File "redis/client.py", line 853, in parse_response
    response = connection.read_response()
  File "redis/connection.py", line 689, in read_response
    raise response

ResponseError: Command # 1 (LLEN ea716732-e499-35ca-8c3b-ea8981715b3f.reply.celery.pidbox) of pipeline caused error: OOM command not allowed when used memory > 'maxmemory'.
(21 additional frame(s) were not displayed)
...
  File "redis/client.py", line 3575, in _execute_transaction
    raise errors[0][1]
  File "redis/client.py", line 3562, in _execute_transaction
    self.parse_response(connection, '_')
  File "redis/client.py", line 3635, in parse_response
    result = Redis.parse_response(
  File "redis/client.py", line 853, in parse_response
    response = connection.read_response()
  File "redis/connection.py", line 689, in read_response
    raise response

Unrecoverable error: "ResponseError(\"Command # 1 (LLEN ea716732-e499-35ca-8c3b-ea8981715b3f.reply.celery.pidbox) of pipeline caused error: OOM command not allowed when used memory > 'maxmemory'.\")"