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https://issues.apache.org/jira/browse/DERBY-3552?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12583791#action_12583791
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Øystein Grøvlen commented on DERBY-3552:
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The difference between the two approaches is that when using the first
approach, you do nothing when the jar files are installed. Instead, you wait
until failover is needed. At that time, you will have to install the jar file
on the former slave before clients that depend on this jar file can continue.
With the second approach, you stop and restart replication in order to get the
jar files installed at the slave before a failover is actually needed. This
way, clients that depend on the jar file can continue immediately after
failover is performed. In other words, the first approach, is a lazy approach,
while the second, is an eager approach.
> Handle jar files that are installed when replication is enabled
> ---------------------------------------------------------------
>
> Key: DERBY-3552
> URL: https://issues.apache.org/jira/browse/DERBY-3552
> Project: Derby
> Issue Type: Sub-task
> Components: Replication
> Affects Versions: 10.4.0.0, 10.5.0.0
> Reporter: V.Narayanan
>
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