explain.depesz.com

PostgreSQL's explain analyze made readable

Result: ZfP

Settings
# exclusive inclusive rows x rows loops node
1. 14.996 18,960.049 ↑ 3.6 6,265 1

Sort (cost=422,578.36..422,634.29 rows=22,372 width=4) (actual time=18,958.619..18,960.049 rows=6,265 loops=1)

  • Sort Key: i0_.oid
  • Sort Method: quicksort Memory: 486kB
2. 1,887.750 18,945.053 ↑ 3.6 6,265 1

Hash Join (cost=181,339.08..420,962.05 rows=22,372 width=4) (actual time=9,382.207..18,945.053 rows=6,265 loops=1)

  • Hash Cond: (i0_.id_releve = i1_.rid)
3. 7,699.994 7,699.994 ↑ 1.0 4,124,641 1

Seq Scan on vm_requeteur_observations i0_ (cost=0.00..187,838.00 rows=4,124,900 width=8) (actual time=9.010..7,699.994 rows=4,124,641 loops=1)

4. 7.036 9,357.309 ↑ 5.7 2,960 1

Hash (cost=181,126.49..181,126.49 rows=17,007 width=4) (actual time=9,357.309..9,357.309 rows=2,960 loops=1)

  • Buckets: 2048 Batches: 1 Memory Usage: 105kB
5. 918.376 9,350.273 ↑ 5.7 2,960 1

Hash Join (cost=35.65..181,126.49 rows=17,007 width=4) (actual time=18.242..9,350.273 rows=2,960 loops=1)

  • Hash Cond: (i1_.id_jdd = i2_.id_jdd)
6. 8,431.783 8,431.783 ↑ 1.0 2,084,695 1

Seq Scan on vm_requeteur_releves i1_ (cost=0.00..173,101.74 rows=2,085,074 width=8) (actual time=9.152..8,431.783 rows=2,084,695 loops=1)

7. 0.006 0.114 ↑ 1.0 10 1

Hash (cost=35.53..35.53 rows=10 width=4) (actual time=0.114..0.114 rows=10 loops=1)

  • Buckets: 1024 Batches: 1 Memory Usage: 1kB
8. 0.108 0.108 ↑ 1.0 10 1

Index Scan using jdd_id_ca_idx on jdd i2_ (cost=0.28..35.53 rows=10 width=4) (actual time=0.040..0.108 rows=10 loops=1)

  • Index Cond: (id_ca = 451)
Total runtime : 18,961.213 ms