gitlab-org--gitlab-foss/changelogs/unreleased/sh-optimize-reload-diffs-service.yml at f139ccf796f7892a027ce50c5ea768528a78ff3e - kotovalexarian-likes-gitlab/gitlab-org--gitlab-foss - Forgejo by Causa Arcana

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

Stan Hu 0844ba04b5 Significantly cut memory usage and SQL queries when reloading diffs

By preloading certain models with the diff, we can eliminate many N+1
queries. For a push to the staging GitLab.com www-gitlab-com repository,
this eliminates over 3000 SQL queries and appears to bring down the RSS
usage by several gigabytes.

Relates to https://gitlab.com/gitlab-org/gitlab-ce/issues/49703

2018-11-01 07:19:54 -07:00

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 title: Significantly cut memory usage and SQL queries when reloading diffs
 merge_request: 22725
 author:
 type: performance