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From Romain Manni-Bucau <rmannibu...@tomitribe.com>
Subject Re: Question on calling @Asynchronous EJB methods
Date Mon, 03 Nov 2014 10:10:20 GMT
@AccessTimeout + @Asynchronous is not enough specified IMHO so I
wouldn't rely on it. For openejb case we go through the thread pool
before respecting @AccessTimeout IIRC so it wouldn't work yes.
Romain Manni-Bucau
Twitter: @rmannibucau
Blog: http://rmannibucau.wordpress.com/
LinkedIn: http://fr.linkedin.com/in/rmannibucau
Github: https://github.com/rmannibucau



2014-11-03 11:04 GMT+01:00 Lars-Fredrik Smedberg <itsmeden@gmail.com>:
> Hi Romain
>
> Thanks, will look into that.
>
> When I read about @AccessTimeout it doesn't seem that I can use it on
> @Asynchronous methods when the thread pool has no free threads... or?
>
> Regards
> LF
>
> On Mon, Nov 3, 2014 at 10:55 AM, Romain Manni-Bucau <
> rmannibucau@tomitribe.com> wrote:
>
>> Hi
>>
>> in application.properties you can configure:
>>
>> - AsynchronousPool.Size (default 5 for recent versions, was 3 before IIRC)
>> - AsynchronousPool.ShutdownWaitDuration: how many time we wait for
>> tasks to be done when undeploying the app
>> - AsynchronousPool.CorePoolSize
>> - AsynchronousPool.MaximumPoolSize
>> - AsynchronousPool.QueueSize
>> - AsynchronousPool.KeepAliveTime
>> - AsynchronousPool.AllowCoreThreadTimeOut
>> - AsynchronousPool.QueueType: SYNCHRONOUS (SynchronousQueue), LINKED
>> (LinkedBlockingQueue), ARRAY (ArrayBlockingQueue),
>> PRIORITY(PriorityBlockingQueue)
>> - AsynchronousPool.RejectedExecutionHandlerClass:
>> RejectedExecutionHandler implementation, default is
>> org.apache.openejb.util.executor.OfferRejectedExecutionHandler ie
>> retry with a timeout of x seconds (30s by default)
>> - AsynchronousPool.OfferTimeout (if RejectedExecutionHandlerClass not set)
>>
>> I guess you want just a custom RejectedExecutionHandlerClass
>> Romain Manni-Bucau
>> Twitter: @rmannibucau
>> Blog: http://rmannibucau.wordpress.com/
>> LinkedIn: http://fr.linkedin.com/in/rmannibucau
>> Github: https://github.com/rmannibucau
>>
>>
>>
>> 2014-11-03 10:43 GMT+01:00 Lars-Fredrik Smedberg <itsmeden@gmail.com>:
>> > Hi
>> >
>> > In WebSphere there is a thread pool for serving @Asynchronous EJB method
>> > calls as well as request work queue used when all threads are busy. When
>> > the thread is full the work is placed on the queue and when the queue is
>> > full the policy of BLOCK or FAIL will determine if the thread calling the
>> > method will hang or fail.
>> >
>> > Questions
>> >
>> > - Does TomEE have similar configuration?
>> >
>> > - Is there any way of knowing before calling the @Asynchronous EJB method
>> > if it will wait before beeing processed (or in the WebSphere case hang)?
>> > Combine it with @AccessTimeout perhaps?
>> >
>> > Regards
>> > LF
>> >
>> > --
>> > Med vänlig hälsning / Best regards
>> >
>> > Lars-Fredrik Smedberg
>> >
>> > STATEMENT OF CONFIDENTIALITY:
>> > The information contained in this electronic message and any
>> > attachments to this message are intended for the exclusive use of the
>> > address(es) and may contain confidential or privileged information. If
>> > you are not the intended recipient, please notify Lars-Fredrik Smedberg
>> > immediately at itsmeden@gmail.com, and destroy all copies of this
>> > message and any attachments.
>>
>
>
>
> --
> Med vänlig hälsning / Best regards
>
> Lars-Fredrik Smedberg
>
> STATEMENT OF CONFIDENTIALITY:
> The information contained in this electronic message and any
> attachments to this message are intended for the exclusive use of the
> address(es) and may contain confidential or privileged information. If
> you are not the intended recipient, please notify Lars-Fredrik Smedberg
> immediately at itsmeden@gmail.com, and destroy all copies of this
> message and any attachments.

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