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From "Geoffrey Jacoby (JIRA)" <j...@apache.org>
Subject [jira] [Work started] (HBASE-15507) Online modification of enabled ReplicationPeerConfig
Date Thu, 31 Mar 2016 18:57:25 GMT

     [ https://issues.apache.org/jira/browse/HBASE-15507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Work on HBASE-15507 started by Geoffrey Jacoby.
> Online modification of enabled ReplicationPeerConfig
> ----------------------------------------------------
>                 Key: HBASE-15507
>                 URL: https://issues.apache.org/jira/browse/HBASE-15507
>             Project: HBase
>          Issue Type: Improvement
>          Components: Replication
>    Affects Versions: 2.0.0, 1.2.0, 1.3.0
>            Reporter: Geoffrey Jacoby
>            Assignee: Geoffrey Jacoby
> It's currently possible to update the table CFs for a replication peer while it's running,
but not the peer configuration or data maps introduced as part of custom replication endpoints
in HBASE-11367. 
> This means that if you have a custom endpoint that depends on some configuration parameter,
you have to remove the peer and recreate it in order to change the param. In some use cases
that's not possible without risking data loss. 
> HBASE-11393, which will consolidate tableCFs in the same znode as the rest of ReplicationPeerConfig,
may help here, but with or without it it still seems like there needs to be further work to
add update config/data API support to ReplicationAdmin and a callback mechanism to notify
the endpoints of config parameter changes. 

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