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Andrew Purtell commented on HBASE-9864:
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The namespace auditor is HBASE-8410
> Notifications bus for use by cluster members keeping up-to-date on changes
> --------------------------------------------------------------------------
>
> Key: HBASE-9864
> URL: https://issues.apache.org/jira/browse/HBASE-9864
> Project: HBase
> Issue Type: Brainstorming
> Reporter: stack
> Priority: Blocker
> Fix For: 1.0.0
>
>
> In namespaces and acls, zk callbacks are used so all participating servers are notified
when there is a change in acls/namespaces list.
> The new visibility tags feature coming in copies the same model of using zk with listeners
for the features' particular notifications.
> Three systems each w/ their own implementation of the notifications all using zk w/ their
own feature-specific watchers.
> Should probably unify.
> Do we have to go via zk? Seems like all want to be notified when an hbase table is updated.
Could we tell servers directly rather than go via zk?
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