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https://issues.apache.org/activemq/browse/AMQ-1557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=42405#action_42405
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Rob Davies commented on AMQ-1557:
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Before we even schedule this issue - the attachment needs to be Granted to the
ASF (tick the check box) and all files should be Apache licenced - could you
delete and reapply?
> High message frequency causes ActiveMQ to freeze
> ------------------------------------------------
>
> Key: AMQ-1557
> URL: https://issues.apache.org/activemq/browse/AMQ-1557
> Project: ActiveMQ
> Issue Type: Bug
> Affects Versions: 5.0.0, 5.1.0
> Environment: observed on Windows XP Professional SP2, Sun JDK
> 1.5.01_11, but probably affects all platforms
> Reporter: Jürgen Schumacher
> Assignee: Rob Davies
> Attachments: stresstest.zip
>
>
> ActiveMQ freezes in a test setup with very high message frequency of
> persistent messages and multiple producers and consumers running on multiple
> machines:
> - Host 1: Multiple Producers send messages very fast to queue1
> - Host 2: Multiple Processors consume message from queue1 and send a new
> message for each consumed message to queue2, also very fast.
> - Host 3: ActiveMQ server and 1 consumer reads messages from queue2.
> With producerFlowControl enabled, the system freezes very soon (a bit more
> than 1000 messages).
> With producerFlowControl disabled, it seems to run longer at first, but it
> still freezes later.
> Using transactions or not does not seem to make a difference.
> See this thread in user mailing list for more details:
> http://www.nabble.com/High-message-frequency-causes-ActiveMQ-to-freeze-to14919292s2354.html
> See attachment for code of test cases and the batch files to start them.
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