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https://issues.apache.org/activemq/browse/CAMEL-2049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=54612#action_54612
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Dmytro Rud edited comment on CAMEL-2049 at 10/4/09 1:12 PM:
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Claus,
I would like to introduce a new URL parameter for MINA TCP endpoints to specify
the count of producer threads (parameter "threadsCount" of MinaSocketProducer's
constructor). For example,
...
.to("mina:tcp://somehost:8888?sync=true&lazySessionCreation=true&poolSize=16")
Do you agree? Or would you rather prefer this parameter to be hard-coded?
What default value should it have?
And the second question: How should I handle the lazySessionCreation parameter?
Currently I tend to assume that session creation is always lazy.
was (Author: rnd):
Claus,
I would like to introduce a new URL parameter for MINA TCP endpoints to specify
the count of producer threads (parameter "threadsCount" of MinaSocketProducer's
constructor). For example,
...
.to("mina:tcp://somehost:8888?sync=true&lazySessionCreation=true&poolSize=16")
Do you agree? Or would you rather prefer this parameter to be hard-coded?
What default value should it have?
> Improper configuration of MINA connector and acceptor instances; Better
> producer
> --------------------------------------------------------------------------------
>
> Key: CAMEL-2049
> URL: https://issues.apache.org/activemq/browse/CAMEL-2049
> Project: Apache Camel
> Issue Type: Bug
> Components: camel-mina
> Affects Versions: 1.6.0
> Environment: Windows XP
> Reporter: Dmytro Rud
> Assignee: Claus Ibsen
> Fix For: 1.6.2, 2.0.0
>
> Attachments: MinaComponent.patch, MinaSocketProducer.java
>
>
> A sample scenario where both MINA producer(s) and consumer(s) are used in the
> same route (e.g. some kind of dispatching or proxying):
> from("mina:tcp://localhost:8888?lazySessionCreation=true&sync=true")
> .to("mina:tcp://localhost:7777?lazySessionCreation=true&sync=true");
> from("mina:tcp://localhost:7777?lazySessionCreation=true&sync=true")
> .process(/*prepare answer*/);
> Due to improper configuration of MINA acceptor and connector instances in
> MinaComponent#createSocketEndpoint(), no more than 15 incoming threads can be
> served at port 8888 -- the producer becomes unable to open an outgoing
> session. This is actually an issue of MINA, not of Camel -- a test
> application written using "raw" MINA shows the same behaviour.
> A solution is to apply configuration rules described, e.g., at
> http://mina.apache.org/configuring-thread-model.html, as done in the attached
> patch.
> Moreover, the standard Camel-MINA producer is not thread-safe -- actually a
> well-known point. A second attached file contains a thread pool-based
> reentrant version, which can be efficiently used for TCP endpoints with both
> parameters 'lazySessionCreation' and 'sync' set to true.
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