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From "C Velo (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-2888) Under moderate to heavy loads, queues seem to be continually backed up
Date Wed, 01 Sep 2010 04:08:40 GMT

    [ https://issues.apache.org/activemq/browse/AMQ-2888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=61571#action_61571
] 

C Velo commented on AMQ-2888:
-----------------------------

Have upgraded to 5.4.0 - however, now seeing the following errors periodically in the activemq
log
(which I didn't see before):

{code}

2010-09-01 04:04:00,908 [02.110.46:39910] INFO  Transport                      - Transport
failed: java.io.EOFException
java.io.EOFException
        at java.io.DataInputStream.readInt(DataInputStream.java:375)
        at org.apache.activemq.openwire.OpenWireFormat.unmarshal(OpenWireFormat.java:269)
        at org.apache.activemq.transport.tcp.TcpTransport.readCommand(TcpTransport.java:226)
        at org.apache.activemq.transport.tcp.TcpTransport.doRun(TcpTransport.java:218)
        at org.apache.activemq.transport.tcp.TcpTransport.run(TcpTransport.java:201)
        at java.lang.Thread.run(Thread.java:619)
{code}

I will attach a current copy of the activemq.xml file that we are using.

> Under moderate to heavy loads, queues seem to be continually backed up
> ----------------------------------------------------------------------
>
>                 Key: AMQ-2888
>                 URL: https://issues.apache.org/activemq/browse/AMQ-2888
>             Project: ActiveMQ
>          Issue Type: Bug
>    Affects Versions: 5.3.2
>         Environment: Linux 2.6.18-128.1.10.el5.xs5.5.0.51xen #1 SMP Wed Nov 11 07:38:08
EST 2009 i686 i686 i386 GNU/Linux
> • ActiveMQ server 5.3.2 (3 servers)
> • ActiveMQ client 5.2.0 (3 clients)
>            Reporter: C Velo
>         Attachments: activemq.xml, pubd-amq1_items_inqueue.pdf, pubd-amq3_items_inqueue.pdf
>
>
> Under moderate to heavy loads, queues seem to be continually backed up - only started
seeing this issue after upgrading
> from *5.2.0* to *5.3.2*.
> Items get pulled off of the queues - just not very quickly (i.e. we will have 30000+
items on the queue).

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