explain.depesz.com

PostgreSQL's explain analyze made readable

Result: Vfpc

Settings
# exclusive inclusive rows x rows loops node
1. 236.291 282.002 ↑ 1.2 372,779 1

Bitmap Heap Scan on public.user_hubs (cost=8,150.14..358,881.82 rows=435,317 width=4) (actual time=59.254..282.002 rows=372,779 loops=1)

  • Output: hub_id
  • Recheck Cond: (user_hubs.hub_id = 39)
  • Heap Blocks: exact=40158
  • Buffers: shared read=41180
2. 45.711 45.711 ↑ 1.2 372,779 1

Bitmap Index Scan on user_hubs_hub_id_user_id_idx (cost=0.00..8,041.31 rows=435,317 width=0) (actual time=45.711..45.711 rows=372,779 loops=1)

  • Index Cond: (user_hubs.hub_id = 39)
  • Buffers: shared read=1022
Planning time : 6.382 ms
Execution time : 304.988 ms