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From "ying (JIRA)" <j...@apache.org>
Subject [jira] Issue Comment Edited: (AMQ-2157) Network of pure master/slave hang after large number of messages
Date Wed, 11 Mar 2009 20:13:40 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-2157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=50436#action_50436
] 

ying edited comment on AMQ-2157 at 3/11/09 1:12 PM:
----------------------------------------------------

This issue also might be related to 
https://issues.apache.org/activemq/browse/AMQ-1868

Read the comments of AMQ-1868, it helps.

When the producer blocks, it is usually because of it reaches memoryLimit:

use the following and producer side will get an exception.

<systemUsage>

 <systemUsage sendFailIfNoSpace="true">

   <memoryUsage>

     <memoryUsage limit="20 mb">

   </memoryUsage>

 </systemUsage>

</systemUsage>

      was (Author: yinghe0101):
    This issue also might be related to 
https://issues.apache.org/activemq/browse/AMQ-1868

because if I tune the memoryLimit and systemUsage, it can accept more messages without hang.
The difference, when it hangs, consumer stops consuming which is bad.
  
> Network of pure master/slave hang after large number of messages
> ----------------------------------------------------------------
>
>                 Key: AMQ-2157
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2157
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.2.0
>         Environment: solaris 10
>            Reporter: ying
>            Priority: Blocker
>         Attachments: activemq-master.xml, activemq-slave.xml
>
>
> 1.I setup a network of activemq master/slave, please see attached for the master and
slave config. ( we plan to have 12 pairs)
> 2.I have a producer which sends message constantly >50000 msgs to a queue using a
loop.
> 3.I have 4 consumers which consumes from the queue
> 4.After a certain number of messages, not a fixed number, every time, the broker will
hang, producer is blocked and consumers are not consuming. Unless I restart the broker.
> This issue might be related to https://issues.apache.org/activemq/browse/AMQ-2102

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