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From Øystein Grøvlen (JIRA) <j...@apache.org>
Subject [jira] Commented: (DERBY-3021) Replication: Add a ReplicationSlave controller that will manage replication on the slave side
Date Fri, 16 Nov 2007 06:35:43 GMT

    [ https://issues.apache.org/jira/browse/DERBY-3021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12542970

Øystein Grøvlen commented on DERBY-3021:

Thank you for adressing my comments Jørgen.  The changes looks good, but it seems you have
forgotten to add ReplicationLogger to the patch.  (I am bit surprised that you have used inheritance
here, but I guess that is a matter of personal taste.)

My comments to 1c, 1e,  and 3, are misunderstandings on my side.    For some reason I thought
you were dealing with system properties, I did not see that it was already volatile, and part
of the error message did not show up when I printed your patch.  My bad.

> Replication: Add a ReplicationSlave controller that will manage replication on the slave
> ---------------------------------------------------------------------------------------------
>                 Key: DERBY-3021
>                 URL: https://issues.apache.org/jira/browse/DERBY-3021
>             Project: Derby
>          Issue Type: Sub-task
>          Components: Services
>    Affects Versions:
>            Reporter: Jørgen Løland
>            Assignee: Jørgen Løland
>         Attachments: derby-3021-1.diff, derby-3021-1.stat, derby-3021-1b.diff, derby-3021-1b.stat,
derby-3021-2a.diff, derby-3021-2a.stat, derby-3021-2b.diff, derby-3021-2b.stat
> The replication slave role includes many tasks:
> * set up a network connection with the master
> * receive chunks of log from the master, and parse these into individual log records
> * append log records to the local log file
> * make sure that the recovery process is not allowed to access the logfile we are currently
writing to
> * etc
> This issue is for adding a controller that will start/stop/initiate all services needed
for the replication slave role.

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