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From: Henryk Konsek <hekonsek@gmail.com>
Date: Sun, 02 Aug 2015 20:21:06 +0000
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 <CALhQg-aH8YsE9KsdCSfMQSWfeB2TdKKQzyhDprRYjzDjDdLosQ@mail.gmail.com>
Subject: Re: Some Stupid Questions
To: users@camel.apache.org
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Hi,

> Is keeping a separate Camelcontext for each route a
> best approach, or only if there a lot of traffic of messages then
> you should consider separation.

The number if the contexts you have doesn't really affects the performance.
The number of contexts is rather related to the architecture of your
application. For example for the OSGi it makes sense to have the context
per bundle (this is what Camel Karaf does) as you would like to deploy new
contexts at runtime without affecting the existing flows. But for fat
jar application, the more natural approach would be to have a single
context (this is what Camel Spring Boot does).

Cheers!

niedz., 2.08.2015 o 14:05 u=C5=BCytkownik Felix Thomas <felix.thomas@gmail.=
com>
napisa=C5=82:

> Hello,
>
>     I had some doubts so I thought the forum is the best way to get some
> answers.
>
>   1) Since I am using XML DSL earlier Java DSL.
>     I have a Bean defined like below. Currently the Constructor is passed=
.
> But How do I make it dynamic i.e. decide based on the route which argumen=
t
> to pass. Do I need to make always different bean entry for each argument =
to
> pass.
>
>    <bean id=3D"CustomProcessorDB"
> class=3D"com.worldline.frida.camel.core.CustomProcessor">
>      <constructor-arg value=3D"DB"/>
>    </bean>
>
> In java I could write  process(new CustomProcessor(CustomConstants.CSV))
> Can I do the same in XML.
>
>
>  2) Threading :- If I have declared a Bean as above and if I use it in a
> SPLIT in Parallel processing mode using a Thread profile. Will Camel also
> create a Pool of the bean and pass it for each thread. i.e. if my Pool si=
ze
> is 5 will  camel create 5 instance of the bean class and use it in the
> processing automatically.  I want to know if it will be thread safe for
> each bean object.
>
>
> 3) Database component :-  If i am getting billions of data from a DB usin=
g
> a timer component consumer is there any feature that I can mark some colu=
mn
> with some flag stating it has been processed .
>
> I saw in the SQL Component there are some option like consumer.onConsume
> etc. but is there something similar in JDBC component .  Other approach i=
s
> to move some records to a temporary table and use that but still some fla=
g
> has to be done on the Original table which is being updated every moment.
>
> 4) Performance :-  Is keeping a separate Camelcontext for each route a be=
st
> approach, or only if there a lot of traffic of messages then you should
> consider separation.
>     How does camel work incase if you host multiple camelcontext on same
> machine and same JVM,
>
> Rgds
> Felix
>

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