[infinispan-issues] [JBoss JIRA] (ISPN-3334) Default jgroups-tcp.xml configuration could result in JGroups lock

[Ray Tsang (JIRA)]

Ray Tsang created ISPN-3334:
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             Summary: Default jgroups-tcp.xml configuration could result in JGroups lock
                 Key: ISPN-3334
                 URL: https://issues.jboss.org/browse/ISPN-3334
             Project: Infinispan
          Issue Type: Bug
    Affects Versions: 5.3.0.Final
            Reporter: Ray Tsang
            Assignee: Mircea Markus


In default jgroups-tcp.xml [1]:

<MFC max_credits="200k" min_threshold="0.20"/>
<FRAG2 frag_size="60000"/>

According to JGRP-1659 [2]:
* Either set FRAG2.frag_size to be less than MFC.min_threshold * MFC.max_credits (=40k), e.g. to 20k, or
* Increase max_credits or min_threshold, such that their product is greater than FRAG2.frag_size

Recommend updating default jgroups-tcp.xml accordingly.

[1] https://github.com/infinispan/infinispan/blob/master/core/src/main/resources/jgroups-tcp.xml
[2] https://issues.jboss.org/browse/JGRP-1659

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