explain.depesz.com

PostgreSQL's explain analyze made readable

Result: gcwa : Optimization for: Optimization for: Optimization for: Optimization for: Optimization for: plan #hr5X; plan #pNT; plan #7Pfg; plan #92BV; plan #ebPj

Settings

Optimization path:

# exclusive inclusive rows x rows loops node
1. 14.563 35.512 ↑ 1.7 40,827 1

Hash Join (cost=1,239.3..3,198.7 rows=68,838 width=8) (actual time=11.753..35.512 rows=40,827 loops=1)

  • Buffers: shared hit=743
2. 9.586 9.586 ↓ 1.0 79,155 1

Index Only Scan using ix_lobjectid_lsetid on dsmember dsmember (cost=0.42..1,752.01 rows=79,154 width=8) (actual time=0.019..9.586 rows=79,155 loops=1)

  • Buffers: shared hit=567
3. 5.281 11.363 ↓ 1.0 38,099 1

Hash (cost=763.37..763.37 rows=38,041 width=4) (actual time=11.363..11.363 rows=38,099 loops=1)

  • Buffers: shared hit=176
4. 6.082 6.082 ↓ 1.0 38,099 1

Index Only Scan using idx_dsobject_lclassid_lid_4567 on dsobject dsobject (cost=0.29..763.37 rows=38,041 width=4) (actual time=0.044..6.082 rows=38,099 loops=1)

  • Buffers: shared hit=176