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https://issues.apache.org/jira/browse/HBASE-7254?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrew Purtell updated HBASE-7254:
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Description: After HBASE-7212 goes in, we could tighten up the permissions
cache using a barrier for grant and revoke ops. We should consider replacing
the current ZK watcher based permissions cache "RPC via ZK" with this Procedure
mechanism that provides much the same, but with the added benefit that we can
fail the grant or revoke op if one or more RSes fail to ack the update. (was:
After HBASE-7212 goes in, we could tighten up the permissions cache using a
barrier for grant and revoke ops. We should consider replacing the current ZK
watcher based permissions cache "RPC via ZK" with this Procedure mechanism that
provides much the same, but with the added benefit that we can fail the grant
or revoke op if one or more RSes fail to ack the update.
Currently if the local AccessController fails to update its permissions cache
it will kill the RS. Using the )
> Use new Globally Barriered Procedure mechanism to replace AccessController
> ZK-mediated permissions cache
> ---------------------------------------------------------------------------------------------------------
>
> Key: HBASE-7254
> URL: https://issues.apache.org/jira/browse/HBASE-7254
> Project: HBase
> Issue Type: Task
> Components: Coprocessors, security
> Affects Versions: 0.96.0
> Reporter: Andrew Purtell
> Assignee: Andrew Purtell
>
> After HBASE-7212 goes in, we could tighten up the permissions cache using a
> barrier for grant and revoke ops. We should consider replacing the current ZK
> watcher based permissions cache "RPC via ZK" with this Procedure mechanism
> that provides much the same, but with the added benefit that we can fail the
> grant or revoke op if one or more RSes fail to ack the update.
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