I’m trying to optimize a multi-docker Discourse instance for a forum with over 3M posts. Once loaded, Disourse is quite fast. Problem is that the first page load (or full F5 refresh) takes 4-5 seconds. There is one SQL query that is responsible for 3,9 of these 4 seconds. This is consistent and …

It’s after import from IPB. I’ll try that.

It helped, can you explain why this could be an issue?

You can read more about it here [Beibei] How do I know if the statistics of a Postgres table are up to date? postgresql, statistics, analyzer, vacuum asked by Beibei on 08:17PM - 01 Aug 11 UTC

Slow (over 3 sec) SQL query

Product Support Self-hosting

sam (Sam Saffron) 20 Gennaio 2017, 12:39pm 2

If this is an import, try backing up and restoring from backup, stats may be in a bad state

Argomento		Risposte	Visualizzazioni
Slow SQL query causes homepage to load in 2-4 sec Product Support	15	1837	Febbraio 7, 2018
App/models/topic_tracking_state - `report` - long response times? Development slow-sql	6	1946	Febbraio 26, 2016
PostgreSQL runaway IO Self-hosting	35	3715	Marzo 3, 2021
Long loading times for user summary page with slow database Self-hosting unsupported-install	17	2148	Ottobre 29, 2019
Posting is taking multiple seconds Product Support	21	1407	Maggio 15, 2020

Slow (over 3 sec) SQL query

Argomenti correlati