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https://issues.apache.org/jira/browse/HBASE-12439?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15786372#comment-15786372
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stack commented on HBASE-12439:
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[~enis] There is not much. I'm putting together what I can find and will post
over in HBASE-14350 There is more to do. Was going to have a chat with
[~syuanjiang]. Probably a good thing to have a sync on. Will put out a call.
> Procedure V2
> ------------
>
> Key: HBASE-12439
> URL: https://issues.apache.org/jira/browse/HBASE-12439
> Project: HBase
> Issue Type: New Feature
> Components: master
> Affects Versions: 2.0.0
> Reporter: Matteo Bertozzi
> Assignee: Matteo Bertozzi
> Labels: reliability
> Fix For: 2.0.0
>
> Attachments: Procedurev2Notification-Bus.pdf,
> Procedurev2Notification-BusRoadmap.pdf
>
>
> Procedure v2 (aka Notification Bus) aims to provide a unified way to build:
> * multi-steps procedure with a rollback/rollforward ability in case of
> failure (e.g. create/delete table)
> ** HBASE-12070
> * notifications across multiple machines (e.g. ACLs/Labels/Quotas cache
> updates)
> ** Make sure that every machine has the grant/revoke/label
> ** Enforce "space limit" quota across the namespace
> ** HBASE-10295 eliminate permanent replication zk node
> * procedures across multiple machines (e.g. Snapshots)
> * coordinated long-running procedures (e.g. compactions, splits, ...)
> * Synchronous calls, with the ability to see the state/result in case of
> failure.
> ** HBASE-11608 sync split
> still work in progress/initial prototype: https://reviews.apache.org/r/27703/
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