Benoit Tellier created JAMES-3466:
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Summary: 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
## 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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