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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-11116) Allow ReplicationSink to write to tables when READONLY is set
Date Tue, 18 Aug 2015 16:30:46 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell resolved HBASE-11116.
------------------------------------
    Resolution: Won't Fix

Sounds reasonable. Resolving

> Allow ReplicationSink to write to tables when READONLY is set
> -------------------------------------------------------------
>
>                 Key: HBASE-11116
>                 URL: https://issues.apache.org/jira/browse/HBASE-11116
>             Project: HBase
>          Issue Type: New Feature
>          Components: regionserver, Replication
>            Reporter: Geoffrey Anderson
>
> A common practice with MySQL replication is to enable the read_only flag (http://dev.mysql.com/doc/refman/5.5/en/server-system-variables.html#sysvar_read_only)
on slaves in order to disallow any user changes to a slave, while allowing replication from
the master to flow in.  In HBase, enabling the READONLY field on a table will cause ReplicationSink
to fail to apply changes.  It'd be ideal to have the default behavior allow replication to
continue going through, a configurable option to influence this type of behavior, or perhaps
even a flag that manipulates a peer's state (e.g. via add_peer) that dictates if replication
can write to READONLY tables.



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