gitlab-org--gitlab-foss/changelogs/unreleased/sh-optimize-calendar-activities.yml at 70e443014ae3577d6ab17d87e4346cab75d217bd - kotovalexarian-likes-gitlab/gitlab-org--gitlab-foss - Forgejo by Causa Arcana

kotovalexarian-likes-gitlab/gitlab-org--gitlab-foss

Stan Hu a769292c67 Eliminate most N+1 queries loading UserController#calendar_activities

We can reduce a significant number of queries by preloading the
associations for events.

On GitLab.com, for a date that had 456 events, this brought the load
time down from 8.7 to 1.2 s.

Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/58392

2019-03-01 10:57:09 -08:00

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 title: Eliminate most N+1 queries loading UserController#calendar_activities
 merge_request: 25697
 author:
 type: performance