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From "Misty Stanley-Jones (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-11629) Operational concerns for Replication should call out ZooKeeper
Date Wed, 06 Aug 2014 23:12:14 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Misty Stanley-Jones updated HBASE-11629:
----------------------------------------

    Status: Patch Available  (was: Open)

> Operational concerns for Replication should call out ZooKeeper
> --------------------------------------------------------------
>
>                 Key: HBASE-11629
>                 URL: https://issues.apache.org/jira/browse/HBASE-11629
>             Project: HBase
>          Issue Type: Bug
>          Components: documentation, Replication
>            Reporter: Sean Busbey
>            Assignee: Misty Stanley-Jones
>         Attachments: HBASE-11629.patch
>
>
> Our [design invariants state that ZooKeeper data is safe to delete|http://hbase.apache.org/book/developing.html#design.invariants.zk.data].
However, [replication only stores its data in zookeeper|http://hbase.apache.org/replication.html#Replication_Zookeeper_State].

> This can lead to operators accidentally disabling their replication set up while attempting
to recover from an unrelated issue by clearing the zk state.
> We should update the [operational concerns section on replication|http://hbase.apache.org/book/cluster_replication.html]
to call out that the /hbase/replication tree should not be deleted. We should probably also
add a warning to the set up steps.



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