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  • Stan Hu's avatar
    Omit issues links in merge request entity API response · 03422cab94bb
    Stan Hu authored
    The merge request widget has a section that includes which issues may be
    closed or mentioned based on the merge request description. The problem
    is that rendering and redacting Markdown can be expensive, especially
    since the browser polls for the data every 10 seconds.
    
    Since these links don't change much and are just nice to have, we only
    load them on first page load. The frontend will use the existing data if
    the data doesn't appear on subsequent requests.
    
    This saves about 30% of the rendering time of this endpoint, which adds
    up to significant savings considering that
    `MergeRequestsController#show.json` is called over a million times a day
    on GitLab.com.
    
    Closes https://gitlab.com/gitlab-org/gitlab-ce/issues/63546
    03422cab94bb