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From "Hiram Chirino (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (AMQ-370) Sleeping time between redeliveries
Date Thu, 15 Jun 2006 04:14:51 GMT
     [ https://issues.apache.org/activemq/browse/AMQ-370?page=all ]
     
Hiram Chirino resolved AMQ-370:
-------------------------------

    Fix Version: 4.0
     Resolution: Fixed

Exponential redeliveries are now implemented on the client side correctly in activemq 4.0.
 I would recommend you upgrade to 4.0.

> Sleeping time between redeliveries
> ----------------------------------
>
>          Key: AMQ-370
>          URL: https://issues.apache.org/activemq/browse/AMQ-370
>      Project: ActiveMQ
>         Type: Improvement

>     Reporter: Daniel Aioanei
>      Fix For: 4.0

>
>
> The method org.activemq.service.impl.SubscriptionImpl.getMessagesToDispatch seems to
wait synchronously until the next redelivery is due for each message to be retried. This means
that for each message that needs be redelivered let's say the next day, there will be a thread
that's going to be sleeping for a whole day. I think there is a lot of space for improvement
here, but please correct me if I didn't understand the code correctly.
>                             if (redeliveryPolicy.isBackOffMode()
>                                     && msg.getDeliveryCount() < redeliveryPolicy.getMaximumRetryCount())
{
>                                 long sleepTime = redeliveryPolicy.getInitialRedeliveryTimeout();
>                                 sleepTime *= (msg.getDeliveryCount() * redeliveryPolicy.getBackOffIncreaseRate());
>                                 try {
>                                     Thread.sleep(sleepTime);
>                                 }
>                                 catch (InterruptedException e) {
>                                 }
>                             }

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