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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ARTEMIS-517) Provide public API method to check whether backup is synchronized with live server
Date Wed, 11 May 2016 20:09:13 GMT

    [ https://issues.apache.org/jira/browse/ARTEMIS-517?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15280732#comment-15280732
] 

ASF GitHub Bot commented on ARTEMIS-517:
----------------------------------------

Github user clebertsuconic commented on a diff in the pull request:

    https://github.com/apache/activemq-artemis/pull/513#discussion_r62917233
  
    --- Diff: artemis-server/src/main/java/org/apache/activemq/artemis/core/server/impl/ActiveMQServerImpl.java
---
    @@ -674,6 +674,26 @@ public void setJMSQueueDeleter(QueueDeleter jmsQueueDeleter) {
           this.jmsQueueDeleter = jmsQueueDeleter;
        }
     
    +   @Override
    +   public boolean isInitialReplicationSynchronizationComplete() {
    --- End diff --
    
    thinking again.. I think isReplicaSync sounds more an API term. just IMO.


> Provide public API method to check whether backup is synchronized with live server 
> -----------------------------------------------------------------------------------
>
>                 Key: ARTEMIS-517
>                 URL: https://issues.apache.org/jira/browse/ARTEMIS-517
>             Project: ActiveMQ Artemis
>          Issue Type: New Feature
>          Components: Broker
>    Affects Versions: 1.2.0
>            Reporter: Miroslav Novak
>            Assignee: Justin Bertram
>             Fix For: 1.3.0
>
>
> If HA is configured with replicated journal then it takes some time to backup to synchronize
with live server.  Once backup is in sync with live then following information appears in
server.log:
> {code}
> 13:20:00,739 INFO  [org.apache.activemq.artemis.core.server] (Thread-3 (ActiveMQ-client-netty-threads-457000966))
AMQ221024: Backup server ActiveMQServerImpl::serverUUID=bc015b34-fd73-11e5-80ca-1b35f669abb8
is synchronized with live-server.
> 13:20:01,500 INFO  [org.apache.activemq.artemis.core.server] (Thread-2 (ActiveMQ-server-org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl$2@41f992ab-83559664))
AMQ221031: backup announced
> {code}
> Reading server logs to see whether backup is in sync is not convenient and user friendly
way. 
> We should provide public API to check state of synchronization. It should be added to
{{Activation}} interface. 
> This method should be implemented for {{SharedNothingBackupActivation}} and also {{SharedNothingLiveActivation}}.



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