08:48:13 [ERROR] Cannot race. Error in load generator [0]
08:48:13 	Cannot run task [date-histo-memory-usage-minute]: Request returned an error. Error type: transport, Description: search_phase_execution_exception ({'error': {'root_cause': [], 'type': 'search_phase_execution_exception', 'reason': '', 'phase': 'fetch', 'grouped': True, 'failed_shards': [], 'caused_by': {'type': 'too_many_buckets_exception', 'reason': 'Trying to create too many buckets. Must be less than or equal to: [300000] but this number of buckets was exceeded. This limit can be set by changing the [search.max_buckets] cluster level setting.', 'max_buckets': 300000}}, 'status': 503})