Geoffrey Anderson created HBASE-11116:
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Summary: 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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