[infinispan-issues] [JBoss JIRA] (ISPN-9062) JGroupsTransport should only send messages to nodes in the cluster view

[William Burns (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-9062?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

William Burns updated ISPN-9062:
--------------------------------
        Status: Resolved  (was: Pull Request Sent)
    Resolution: Done


> JGroupsTransport should only send messages to nodes in the cluster view
> -----------------------------------------------------------------------
>
>                 Key: ISPN-9062
>                 URL: https://issues.jboss.org/browse/ISPN-9062
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 9.2.1.Final
>            Reporter: Dan Berindei
>            Assignee: Dan Berindei
>             Fix For: 9.2.2.Final, 9.3.0.Alpha1
>
>
> {{JGroupsTransport}} only waits for responses from nodes in the JGroups cluster view, but it still sends messages to all the nodes specified as a target. The idea was to optimize the common case by avoiding a {{HashSet.contains()}} call.
> However, when a node is not in the view, messages to it still pass through the entire JGroups stack, and UNICAST3 keeps those messages in a send table for a long time ({{UNICAST3.conn_expiry_timeout}}, changed with ISPN-9038 from {{0}} (unlimited) to 2 minutes (JGroups default)). Having a potentially unlimited number of messages of non-members, each with its own send table, makes it much harder to estimate memory usage.



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