High message frequency causes ActiveMQ to freeze
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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
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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