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From "Lars George (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1329) Visibility into ZooKeeper
Date Thu, 11 Jun 2009 09:25:07 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12718366#action_12718366
] 

Lars George commented on HBASE-1329:
------------------------------------

@Jim Makes sense. We could also think of a "logger" style event list that when the UI reloads
it shows what happened in between refreshes, similar to the RegionHistorian. That way the
UI does not have to be complex at first but still shows you what happened the last x minutes.
Also, I agree that a raw ZK node tree should be a standalone app provided by the ZK team (and
maybe that issue they have open is doing just that, at least it sounds like it). The HBase
UI should not be too overly complicated but still provide all necessary - and relevant (!)
- information.

> Visibility into ZooKeeper
> -------------------------
>
>                 Key: HBASE-1329
>                 URL: https://issues.apache.org/jira/browse/HBASE-1329
>             Project: Hadoop HBase
>          Issue Type: New Feature
>    Affects Versions: 0.20.0
>            Reporter: Nitay Joffe
>            Assignee: Nitay Joffe
>            Priority: Blocker
>             Fix For: 0.20.0
>
>
> Currently, to the users of HBase ZooKeeper is some mysterious thing that is for some
reason important but no one knows why. We need to provide more visibility into ZooKeeper from
HBase.
> This issue is to start a discussion on what sorts of things we can/should provide. Some
possible ideas to get started:
> - Running a REST server. See ZOOKEEPER-36.
> - FUSE support. See ZOOKEEPER-25.
> - Admin/surgery tools in HBase shell. Answer questions like "in safe mode?"
> - Status and information on HBase's data in ZooKeeper in the web UI.

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