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From "ying (JIRA)" <>
Subject [jira] Commented: (AMQ-1797) persistent messages for durable subscribers are not purged from disc storage
Date Fri, 20 Mar 2009 21:08:44 GMT


ying commented on AMQ-1797:

test latest trunk 756591

in network of broker setup( 4 pair master/slave), if I kill TopicConsumers during processing
messages and restart it, i will see "Message id ... could not be recovered from the data store
- already dispatched"

i also see "ERROR MasterBroker                   - Slave Failed
javax.jms.JMSException: Unmatched acknowledege: MessageAck {commandId = 62608, responseRequired
= true, ackType = 2, consumerId = ID:host-2343-1237580790173-0:1:1:1, firstMessageId = ID:host-2341-1237580773986-0:0:1:1:1341,
lastMessageId = ID:host-2341-1237580773986-0:0:1:1:1341, destination = topic://testTopic,
transactionId = null, messageCount = 1}; Could not find Message-ID ID:host-2341-1237580773986-0:0:1:1:1341
in dispatched-list (start of ack)"

one pair of master/slave, the results are much better. topic consumer seems to recover and
continue processing 

> persistent messages for durable subscribers are not purged from disc storage
> ----------------------------------------------------------------------------
>                 Key: AMQ-1797
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Message Store
>    Affects Versions: 5.1.0
>         Environment: WinXP,
> java version "1.6.0_05"
> Java(TM) SE Runtime Environment (build 1.6.0_05-b13)
> Java HotSpot(TM) Client VM (build 10.0-b19, mixed mode, sharing)
>            Reporter: Juraj Kuruc
>            Assignee: Rob Davies
>             Fix For: 5.3.0
>         Attachments: activemq.xml,,,
> I have some problems with multiple durable subscribers while persistent delivery is used.
> Message should be deleted from disc storage (periodically) after all interested subscribers
have received it. In case there was one durable subscriber everything woks just fine. However
when I tested this scenerio with two durable subscribers on topic,  the messages were never
deleted (disc usage is continously consumed and never purged). 
> Test case description:
> -using default activemq.xml configuration file from binary distribution 
> creates two separetes durable consumers
> -textMessageFile.txt is file which text is sent by producer (place it on classpath)
> Result:
> -all messages there were send were also received by both subscribers
> -after more then 100k messages data directory is about 1GB. 
> -restarting activemq with so big persistent storage takes very long time

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