[jira] [Closed] (JAMES-3466) Provision 'system' mailboxes only when listing mailboxes

["Benoit Tellier (Jira)" <se...@james.apache.org>]

     [ https://issues.apache.org/jira/browse/JAMES-3466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benoit Tellier closed JAMES-3466.
---------------------------------
    Resolution: Fixed

> Provision 'system' mailboxes only when listing mailboxes
> --------------------------------------------------------
>
>                 Key: JAMES-3466
>                 URL: https://issues.apache.org/jira/browse/JAMES-3466
>             Project: James Server
>          Issue Type: Improvement
>          Components: JMAP
>    Affects Versions: master
>            Reporter: Benoit Tellier
>            Assignee: Antoine Duprat
>            Priority: Major
>
> ## Why
> Today we list 5 mailboxes, doing 5 primary key reads on consistency SERIAL every time we perform a JMAP request.
> This has a major impact on the actual JMAP performance, and is most of the time unecessary.
> For instance a class flow is:
>  - Mailbox/get
>  - Email/query
>  - Email/get to list preview
>  - Email/get on each open message (say x10)
>  - Email/set upon user actions (say x5)
> We end up checking mailbox provisionning 18 time.
> We need to reduce the impact of this provisionning while keeping the benefits of it.
> ## How
> Provision mailboxes only when calling Mailbox/get.
> ## Expected outcome
> Performance enhancement.



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