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      request #31598 (Multi)SelectBox field bound to large list of users (5k+) performance issue
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    #31598
    Manuel Vacelet (vaceletm)
    2023-06-12 14:02
    2023-04-26 09:06
    33229
    Details
    (Multi)SelectBox field bound to large list of users (5k+) performance issue

    Lists with a large amount of users exhibit performance issues. With 6k users:

    • Workflow is checked for each field value (regardless of whether there is a workflow or not). 20k SQL requests.
    • User objects are created one by one (1 sql request per user).
    • On the front end side, the avatar will generate 1 HTTP request per user in the list (auto DoS).

    This affects platforms with large amount of users (5k+) when trackers are using (Multi)SelectBox fields bound to registered_users.

    Trackers
    14.7
    Empty
    • [ ] enhancement
    • [ ] internal improvement
    Empty
    Stage
    Manuel Vacelet (vaceletm)
    Closed
    2023-06-12
    Attachments
    Empty
    References
    Referencing request #31598

    Git commit

    tuleap/tuleap/stable

    fix(perf): there is no transition id when there is no workflow a627ddc938
    User avatar Manuel Vacelet (vaceletm) , 2023-04-27 15:57
    chore(performance): limit query for users in user list field 22aa0e1831
    User avatar Manuel Vacelet (vaceletm) , 2023-05-04 11:49
    chore: Remove non usage of $keyword in tracker list Bind 95f8f4adc6
    User avatar Manuel Vacelet (vaceletm) , 2023-05-09 11:09
    chore: remove useless parameters 82949d552c
    User avatar Manuel Vacelet (vaceletm) , 2023-05-09 13:49
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