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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-11321) Can CamelContext startup faster
Date Tue, 04 Jul 2017 12:00:00 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-11321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16073529#comment-16073529
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Claus Ibsen commented on CAMEL-11321:
-------------------------------------

camel-spring-boot in the auto configuration creates a ProducerTemplate and ConsumerTemplate
bean which may not be in-use / needed. We can look at optimising to only create them on demand,
or to lazy init the bean on use etc, as its startup time cost a bit with the caffine cache

> Can CamelContext startup faster
> -------------------------------
>
>                 Key: CAMEL-11321
>                 URL: https://issues.apache.org/jira/browse/CAMEL-11321
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core, camel-spring-boot
>            Reporter: Claus Ibsen
>             Fix For: Future
>
>
> [~lb] have some thoughts on if we can make CamelContext startup faster, especially when
using Spring Boot. Spring Boot itself is not so fast, but should be faster in 2.x.
> For example we could consider camel-core to not do any classpath scanning for components
that are provided OOTB in camel-core, eg if using "log" endpoint, then only check the spring
registry if any custom bean of that, and if not, then we know "log" is from camel-core and
then we know its class name already and dont need to scan the classpath.
> We could take that one step further for the entire Camel release and have a plugin that
generate/keep java source file up to date from camel-core, which has complete mapping of all
component-name=component-class.
> We can also do some profiling and see if there is some hot-spots. There is also the revised
work that Zoran does in starting Camel on spring / spring-boot.



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