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https://issues.apache.org/jira/browse/DERBY-3064?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12550015
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V.Narayanan commented on DERBY-3064:
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1) when you attempt the first connect
2) when a connection failure occurs
1) I believe that if an IOException occurs here we should log the exception and
exit.
User can handle the cause of the exception here and can restart replication
after
correcting the problem. We do not know the severity of the cause of the
IOException.
So it is very difficult to distinguish between when we should stop and
re-try based
on the cause. So I believe here we should exit when a timeout occurs.
2) Here we should re-try if a timeout or a IOException occurs. This would take
care of
the case for example when the network connection goes down and comes back
again. Also
if the log buffer is full and the network is down we fail aborting reconnect
attempts.
Does this sound OK to you?
> Implement the LogShipper that will enable the shipping of Log records from
> the master to the slave
> --------------------------------------------------------------------------------------------------
>
> Key: DERBY-3064
> URL: https://issues.apache.org/jira/browse/DERBY-3064
> Project: Derby
> Issue Type: Sub-task
> Components: Miscellaneous
> Reporter: V.Narayanan
> Assignee: V.Narayanan
> Attachments: LogShipperImpl_v1.diff, LogShipperImpl_v1.stat,
> LogShipperImpl_v2.diff, LogShipperImpl_v2.stat, LogShipperImpl_v3.diff,
> LogShipperImpl_v3.stat, LogShipperImpl_v4.diff, LogShipperImpl_v4.stat,
> LogShipperImpl_v5.diff, LogShipperImpl_v5.stat,
> LogShipperIntegration_v1.diff, LogShipperIntegration_v1.stat,
> LogShipperIntegration_v2.diff, LogShipperIntegration_v2.stat,
> LogShipperIntegration_v3.diff, LogShipperIntegration_v3.stat,
> LogShipperIntegration_v4.diff, LogShipperIntegration_v4.stat,
> LogShipperIntegration_v5.diff, LogShipperIntegration_v5.stat
>
>
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