| Type: | real |
| Default: | 0.01 |
| Min: | 0 |
| Max: | 1.79769e+308 |
| Context: | user |
| Restart: | false |
Sets the planner's estimate of the cost of processing each row during a query. The default is 0.01.
On StackOverflow
- Postgres query dramatically slow on prod, but very fast on local laptop
- Postgresql: How is index scan cost calculated in execution plan?
- Different query plan for GROUP BY DISTINCT query on 2 distinct machines
- Postgresql different query plans on different servers
- What are the best values for Postgresql.conf for better performance
On pgsql-hackers
- Re: What to call an executor node which lazily caches tuples in a hash table?
- Re: Performance Evaluation of Result Cache by using TPC-DS
- Re: [PATCH] Use optimized single-datum tuplesort in ExecSort
- Re: Add proper planner support for ORDER BY / DISTINCT aggregates
- Re: Hybrid Hash/Nested Loop joins and caching results from subplans