Well I have change the next setting in the postgresql.conf
shared_buffers= 16384
work_mem =32768
maintenance_work_mem= 65536
bgwriter_delay =800
bgwriter_maxpages= 100
wal_buffers =64
efective_cache_size= 2
The rest of the settings are the default.
Thanks,
Luis
Richard Huxton escribió:
Luis Cornide Arce wrote:
Hi everyone,
I have some problems with a quite long query and the plan postgreSQL is
choosing. The query joins 12 tables and in the WHERE clause I use a IN
expression with a lot of identifiers (up to 2000). The problem is that
the planner is proposing a seq_scan on tw