Je ne suis pas sûr s’il s’agit d’un bug ou non, mais je semble subir un auto-ddos de mon forum.
Une fois par jour, le site tombe en panne car il semble créer un index :
CREATE INDEX CONCURRENTLY temp_idx_recent_regular_post_search_data
ON post_search_data USING GIN(search_data)
WHERE NOT private_message AND post_id >= 0
Cela crée à son tour beaucoup de requêtes parallèles :
SELECT “posts”.“id”, “posts”.“user_id”, “posts”.“topic_id”, “posts”.“post_number”, “posts”.“raw”, “posts”.“cooked”, “posts”.“created_at”, “posts”.“updated_at”, “posts”.“reply_to_post_number”, “posts”.“reply_count”, “posts”.“quote_count”, “posts”.“deleted_at”, “posts”.“off_topic_count”, “posts”.“like_count”, “posts”.“incoming_link_count”, “posts”.“bookmark_count”, “posts”.“score”, “posts”.“reads”, “posts”.“post_type”, “posts”.“sort_order”, “posts”.“last_editor_id”, “posts”.“hidden”, “posts”.“hidden_reason_id”, “posts”.“notify_moderators_count”, “posts”.“spam_count”, “posts”.“illegal_count”, “posts”.“inappropriate_count”, “posts”.“last_version_at”, “posts”.“user_deleted”, “posts”.“reply_to_user_id”, “posts”.“percent_rank”, “posts”.“notify_user_count”, “posts”.“like_score”, “posts”.“deleted_by_id”, “posts”.“edit_reason”, “posts”.“word_count”, “posts”.“version”, “posts”.“cook_method”, “posts”.“wiki”, “posts”.“baked_at”, “posts”.“baked_version”, “posts”.“hidden_at”, “posts”.“self_edits”, “posts”.“reply_quoted” …
Le problème ici est que j’utilise une base de données gérée qui a un pool de connexions de 197, qui est rapidement rempli.