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Posted to issues@hbase.apache.org by "Lars Hofhansl (Commented) (JIRA)" <ji...@apache.org> on 2011/12/10 02:04:40 UTC
[jira] [Commented] (HBASE-5002) Control replication peer per column
family.
[ https://issues.apache.org/jira/browse/HBASE-5002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13166720#comment-13166720 ]
Lars Hofhansl commented on HBASE-5002:
--------------------------------------
This would useful for CopyTable... (1) enable replication for this table to the target cluster (2) CopyTable to target cluster.
Would need online schema change to work to be useful I think.
> Control replication peer per column family.
> -------------------------------------------
>
> Key: HBASE-5002
> URL: https://issues.apache.org/jira/browse/HBASE-5002
> Project: HBase
> Issue Type: Sub-task
> Components: replication
> Reporter: Lars Hofhansl
> Priority: Minor
>
> With HBASE-2196 in place. Would be nice if we could control per CF to which peer(s) it is replicated.
> Could have a new option REPLICATION_PEERS, which holds a , separated list of replication peers that this CF should be replicated to. If not given replicate to all slaves.
> This list would need to written to each log entry (could reuse WALEdit.scopes for this), so we can decide in ReplicationSource who this entry should go to.
> Let's discuss...
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