# Certaines requêtes qui ne se terminent pas

**URL:** <https://meta.discourse.org/t/some-queries-that-dont-finish/113560>\
**Category:** Product Support\
**Created:** [Avril 5, 2019, 3:19 UTC](https://meta.discourse.org/t/some-queries-that-dont-finish/113560 "2019-04-05T15:19:00Z")\
**Posts on this page:** 1\
**Showing post:** 16

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**Author:** ![Falco](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/falco/32/179432_2.png) [@Falco](https://meta.discourse.org/u/Falco)\
**Post date:** [Avril 5, 2019, 6:57 UTC](https://meta.discourse.org/t/some-queries-that-dont-finish/113560/16 "2019-04-05T18:57:21Z")

</div>

PostgreSQL runs vacuum automatically in the background.

In normal usage, we never need to manually go and interfere on that.

However, imports, restoring backups and etc, can generate a lot of cruft in the database, and if the resources aren’t adequate it can generate garbage faster than the autovacuum can clean it out.

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