[jira] Commented: (HBASE-546) Use Zookeeper in HBase

["Jean-Daniel Cryans (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HBASE-546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12665863#action_12665863 ] 

Jean-Daniel Cryans commented on HBASE-546:
------------------------------------------

Nitay,

The config in hbase-default.xml should be expressed as numbers and not operations like zookeeper.pause should be 2000 and not 2 * 1000.  Also, since zookeeper.servers requires to be set for a fully distributed HBase,so you should modify the src/java/overview.html file.

> Use Zookeeper in HBase
> ----------------------
>
>                 Key: HBASE-546
>                 URL: https://issues.apache.org/jira/browse/HBASE-546
>             Project: Hadoop HBase
>          Issue Type: Improvement
>            Reporter: Bryan Duxbury
>            Assignee: Jean-Daniel Cryans
>            Priority: Critical
>             Fix For: 0.20.0
>
>         Attachments: DistributedLockInterface.java, hbase-546-scripts-v2.patch, hbase-546-scripts.patch, HBASE-546-v2.patch, hbase-546-v3.patch, HBASE-546.patch, zookeeper-config.patch
>
>
> Zookeeper =~ Chubby. This means that we could take advantage of a distributed lock manager to coordinate things like failover masters, regionservers staying online when master is dead, atomic region->regionserver assignments, etc. There are a lot of opportunities for improvements here. Please add discussions of particular features in comments or sub-tasks.

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