explain.depesz.com

PostgreSQL's explain analyze made readable

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

Settings

Optimization path:

Optimization(s) for this plan:

# exclusive inclusive rows x rows loops node
1. 25.671 61.090 ↑ 1.7 40,827 1

Hash Join (cost=1,239.3..3,198.7 rows=68,838 width=8) (actual time=21.184..61.09 rows=40,827 loops=1)

  • Buffers: shared hit=743
2. 14.778 14.778 ↓ 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=0.033..14.778 rows=79,155 loops=1)

  • Buffers: shared hit=567
3. 9.927 20.641 ↓ 1.0 38,099 1

Hash (cost=763.37..763.37 rows=38,041 width=4) (actual time=20.641..20.641 rows=38,099 loops=1)

  • Buffers: shared hit=176
4. 10.714 10.714 ↓ 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=0.038..10.714 rows=38,099 loops=1)

  • Buffers: shared hit=176