explain.depesz.com

PostgreSQL's explain analyze made readable

Result: Zxwp : measured with results - db.t2.medium

Settings
# exclusive inclusive rows x rows loops node
1. 207,663.497 207,663.497 ↓ 1.0 18,224,010 1

Seq Scan on dataset.results r (cost=0.00..1,992,235.35 rows=18,180,882 width=142) (actual time=38,579.056..207,663.497 rows=18,224,010 loops=1)

  • Output: dataset_id, key, detection_condition, measure_normalized, guidelines, create_timestamp, update_timestamp, activity_ukey, analytical_method_ukey, parameter_ukey, detection_quantitation_limit_ukey, monitoring_location_ukey
  • Filter: (r.dataset_id = 'f3877597-9114-4ace-ad6f-e8a68435c0ba'::uuid)
  • Rows Removed by Filter: 8,372,150
  • Buffers: shared hit=107 read=1,659,843
  • I/O Timings: read=195,903.523
Planning time : 7.733 ms