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From "Patrick Hunt (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HBASE-1329) Visibility into ZooKeeper
Date Mon, 20 Apr 2009 21:24:47 GMT

    [ https://issues.apache.org/jira/browse/HBASE-1329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12700943#action_12700943
] 

Patrick Hunt commented on HBASE-1329:
-------------------------------------

Here's a couple more areas to investigate. Feel free to ask questions on one of our lists:
http://hadoop.apache.org/zookeeper/mailing_lists.html

These are commands that can be run against the server's command (client) port. They can
give insight into the status of the system:
http://hadoop.apache.org/zookeeper/docs/current/zookeeperAdmin.html#sc_zkCommands

Our JMX interface provides similar information:
http://hadoop.apache.org/zookeeper/docs/current/zookeeperJMX.html

A perl binding has been created, it's being integrated into 3.2 (avail on cpan):
https://issues.apache.org/jira/browse/ZOOKEEPER-378

We're working on a python binding and set of command line tools:
https://issues.apache.org/jira/browse/ZOOKEEPER-364


> 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
>
> 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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