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From "Tellier Benoit (JIRA)" <server-...@james.apache.org>
Subject [jira] [Created] (JAMES-2448) Camel container is too long to start
Date Tue, 03 Jul 2018 02:35:00 GMT
Tellier Benoit created JAMES-2448:
-------------------------------------

             Summary: Camel container is too long to start
                 Key: JAMES-2448
                 URL: https://issues.apache.org/jira/browse/JAMES-2448
             Project: James Server
          Issue Type: Improvement
          Components: JMAP, SpoolManager &amp; Processors, tests
            Reporter: Tellier Benoit
            Assignee: Antoine Duprat


A classic mailet container takes up to 1 s to load on a warm JVM.

Fast startup is critical for our testing strategy (relying heavily on integration tests).
We should make camel container loading faster.

Ideas:

 - Some parameters are passed to components via dynamically generated properties, on a per
call basis. This is inefficient and can be passed by a constructor.
 - Many classes used in CamelMailetContainer are not static
 - We finally can heavily simplify the logic expressed in Camel DSL, and express it through
a *split - process* way, instead of relying on *camel choices*.

We should measure the effect on boot time, and run Gatling SMTP test to evaluate the impact
on delivery.



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