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Posted to issues@hbase.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2013/03/14 02:49:11 UTC
[jira] [Commented] (HBASE-5487) Generic framework for
Master-coordinated tasks
[ https://issues.apache.org/jira/browse/HBASE-5487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13601950#comment-13601950 ]
Sergey Shelukhin commented on HBASE-5487:
-----------------------------------------
Just checking; is this issue still relevant? I am particularly interested in all-encompassing solution for region management that would allow you to read AM and not go insane (I was just reading/debugging 0.94 AM for some time, that's why I remembered). I have a sketch of an idea, should I write it up?
> 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
>
> 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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