[jira] [Updated] (HBASE-5487) Generic framework for Master-coordinated tasks

["Jonathan Hsieh (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-5487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jonathan Hsieh updated HBASE-5487:
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    Labels:   (was: noob)

Not sure how this had the noob tag --this sounds like a fairly major undertaking!

                
> Generic framework for Master-coordinated tasks
> ----------------------------------------------
>
>                 Key: HBASE-5487
>                 URL: https://issues.apache.org/jira/browse/HBASE-5487
>             Project: HBase
>          Issue Type: New Feature
>          Components: master, regionserver, Zookeeper
>    Affects Versions: 0.94.0
>            Reporter: Mubarak Seyed
>            Assignee: Nick Dimiduk
>
> Need a framework to execute master-coordinated tasks in a fault-tolerant manner. 
> Master-coordinated tasks such as online-scheme change and delete-range (deleting region(s) based on start/end key) can make use of this framework.
> The advantages of framework are
> 1. Eliminate repeated code in Master, ZooKeeper tracker and Region-server for master-coordinated tasks
> 2. Ability to abstract the common functions across Master -> ZK and RS -> ZK
> 3. Easy to plugin new master-coordinated tasks without adding code to core components

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