[infinispan-issues] [JBoss JIRA] (ISPN-7144) Cross-Site Replication: inconsistent data with multiple site masters

[Pedro Ruivo (JIRA)]

    [ https://issues.jboss.org/browse/ISPN-7144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13392311#comment-13392311 ] 

Pedro Ruivo commented on ISPN-7144:
-----------------------------------

[~zeguan], the fix would be setting {{RELAY2.max_site_master=1}} (that is the default value anyway) in JGroups configuration.

> Cross-Site Replication: inconsistent data with multiple site masters
> --------------------------------------------------------------------
>
>                 Key: ISPN-7144
>                 URL: https://issues.jboss.org/browse/ISPN-7144
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Cross-Site Replication
>    Affects Versions: 9.0.0.Alpha4
>            Reporter: Pedro Ruivo
>            Assignee: Pedro Ruivo
>
> Cross-Site replication with multiple site masters may not work properly when configured asynchronously. 
> It relies on the deliver order of the updates to the remote site but, with multiple site masters, it is possible an update to go through one of the possible routes. Having commands going through different routes violates the FIFO order needed leading to inconsistent data between sites.
> Note: it doesn't happen in synchronous mode.



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