Re: [PERFORM] Slow query (planner insisting on using 'external merge' sort type)

2015-06-19 Thread Ian Pushee
On 6/19/2015 10:47 AM, Andreas Kretschmer wrote: Explain Analyze outputs (links as requested): Default plan: http://explain.depesz.com/s/ib3k Forced index (random_page_cost=1.0): http://explain.depesz.com/s/lYaP Software/Hardware: PGSql 9.2.1, Windows 8.1, 8GB RAM All pgsql settings are at the

Re: [PERFORM] Slow query (planner insisting on using 'external merge' sort type)

2015-06-19 Thread Ian Pushee
On 6/19/2015 10:46 AM, Igor Neyman wrote: Probably events_confidnce index is not very selective, that's why optimizer prefers seq scan. I'd try to create an index on (name, eventspy_id, camera_id, type, status). Also, the recent 9.2 is 9.2.13, you should upgrade. Regards, Igor Neyman Hi I

[PERFORM] Slow query (planner insisting on using 'external merge' sort type)

2015-06-19 Thread Ian Pushee
): Default plan: http://explain.depesz.com/s/ib3k Forced index (random_page_cost=1.0): http://explain.depesz.com/s/lYaP Software/Hardware: PGSql 9.2.1, Windows 8.1, 8GB RAM All pgsql settings are at their defaults. Thanks for any help you can provide, -Ian Pushee -- Sent via pgsql-performance