[jira] [Closed] (JAMES-3735) Kill IMAP processing chain

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

     [ https://issues.apache.org/jira/browse/JAMES-3735?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Benoit Tellier closed JAMES-3735.
---------------------------------
    Resolution: Fixed

> Kill IMAP processing chain
> --------------------------
>
>                 Key: JAMES-3735
>                 URL: https://issues.apache.org/jira/browse/JAMES-3735
>             Project: James Server
>          Issue Type: Improvement
>          Components: IMAPServer
>    Affects Versions: 3.7.0
>            Reporter: Benoit Tellier
>            Priority: Major
>             Fix For: 3.8.0
>
>
> Today we create a processor chain to manage IMAP request: each processor passes the request to the next until the request is managed.
> This leads to absurdly, needlessly long call stacks as we easily have 40+ processors.
>  - This have a performance impact as feeling thread stacks do not come for free
>  - Exceptions are hard to read (longer stacktraces)
>  - Reading flame graphs is also harder!
> We should in my opinion just use a map to directly get the processor for a given request, simply using the request class as a key.



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