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From "Jar Lyons (JIRA)" <j...@apache.org>
Subject [jira] Updated: (AMQ-2217) Message delivery to selector based consumers pauses if selector leaves messages on the queue.
Date Wed, 22 Apr 2009 15:43:31 GMT

     [ https://issues.apache.org/activemq/browse/AMQ-2217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jar Lyons updated AMQ-2217:
---------------------------

    Description: 
I have written a test case which will demonstrate the difference between the following two
scenarios:

1. Producer sending dissimilar JMSType messages to a queue, with a client consuming all messages
(no selector).
2. Producer sending dissimilar JMSType messages to a queue, with a client consuming every
other message (using selector).

With a large enough size of test messages (for my environment about 5k), scenario 2 will fail
with delivery to the consumer halted, while scenario 1 will not.

Test Output:

waiting for consumer to pause ... consumer: 0, producer: 0
waiting for consumer to pause ... consumer: 200, producer: 5000
waiting for consumer to pause ... consumer: 200, producer: 5000
waiting for consumer to pause ... consumer: 200, producer: 5000
waiting for consumer to pause ... consumer: 200, producer: 5000
waiting for consumer to pause ... consumer: 200, producer: 5000

  was:
I have written a test case which will demonstrate the difference between the following two
scenarios:

1. Producer sending dissimilar JMSType messages to a queue, with a client consuming all messages
(no selector).
2. Producer sending dissimilar JMSType messages to a queue, with a client consuming every
other message (using selector).

With a large enough size of test messages (for my environment about 5k), scenario 2 will fail
with delivery to the consumer halted, while scenario 1 will not.


> Message delivery to selector based consumers pauses if selector leaves messages on the
queue.
> ---------------------------------------------------------------------------------------------
>
>                 Key: AMQ-2217
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2217
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.1.0, 5.3.0
>         Environment: Windows XP Professional 2002, Service Pack 2,  Intel Pentium D 3ghz,
various 1.5 and 1.6 versions of jdk
>            Reporter: Jar Lyons
>         Attachments: DiscriminatingConsumerLoadTest.java
>
>
> I have written a test case which will demonstrate the difference between the following
two scenarios:
> 1. Producer sending dissimilar JMSType messages to a queue, with a client consuming all
messages (no selector).
> 2. Producer sending dissimilar JMSType messages to a queue, with a client consuming every
other message (using selector).
> With a large enough size of test messages (for my environment about 5k), scenario 2 will
fail with delivery to the consumer halted, while scenario 1 will not.
> Test Output:
> waiting for consumer to pause ... consumer: 0, producer: 0
> waiting for consumer to pause ... consumer: 200, producer: 5000
> waiting for consumer to pause ... consumer: 200, producer: 5000
> waiting for consumer to pause ... consumer: 200, producer: 5000
> waiting for consumer to pause ... consumer: 200, producer: 5000
> waiting for consumer to pause ... consumer: 200, producer: 5000

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