[JBoss JIRA] (AS7-5305) CLONE - Default value of id-cache-size attribute is potencially dangerous when very small messages are used
by Jeff Mesnil (JIRA)
Jeff Mesnil created AS7-5305:
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Summary: CLONE - Default value of id-cache-size attribute is potencially dangerous when very small messages are used
Key: AS7-5305
URL: https://issues.jboss.org/browse/AS7-5305
Project: Application Server 7
Issue Type: Bug
Components: JMS
Affects Versions: 7.1.2.Final (EAP)
Reporter: Jeff Mesnil
Assignee: Clebert Suconic
Fix For: 7.1.3.Final (EAP)
Hi,
I hit an issue with HornetQ core bridges. I tried test scenario with 4 nodes where:
1) there are two clusters A and B (each contains two nodes)
2) there is hornetq core bridge configured from cluster A to cluster B (A1 -> B1, A2 -> B2)
During sending messages (30KB ByteMessages) to A1 and reading them from B2, node A2 was killed and started a few times. In the end there were duplicated messages. Problem was in low value of id-cache-size attribute which is 2000 by default and confirmation-window-size which is for bridges (1024 * 1024) bytes.
Can be default value of id-cache-size increased so we can avoid this situation? This is potentially dangerous and hard for admins to realize before the problem occurs.
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11 years, 9 months