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From shoukunhuai <...@git.apache.org>
Subject [GitHub] activemq-artemis issue #1747: [WIP] NO-JIRA DISCUSS Replica use operationcon...
Date Thu, 04 Jan 2018 02:44:14 GMT
Github user shoukunhuai commented on the issue:

    https://github.com/apache/activemq-artemis/pull/1747
  
    @michaelandrepearce we want the guarantee that when we response to client, any journal
is wrote to both live and backup.
    
    Say we set both syncNonTransactional and syncTransactional to true(the default), the commit/rollback/the
last addref at live will be synced.
    
    As Andy said, if we do not sync on backup side, no extra guarantees. However, if we can
tell the backup to sync, does this makes sense? We need add extra property `sync` on ReplicationXXXMessage.
    
    Of cause it kills perf. But Artemis is distributed message system, we can add more nodes
to cluster.
    
    Any idea?


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