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From Stack <st...@duboce.net>
Subject Re: GSoC 2010: ZooKeeper Monitoring Recipes and Web-based Administrative Interface
Date Thu, 13 May 2010 16:44:18 GMT
On Thu, May 13, 2010 at 2:30 AM, Andrei Savu <savu.andrei@gmail.com> wrote:
> Hi all,
>
> My name is Andrei Savu and I am on of the GSoC2010 accepted students.
> My mentor is Patrick Hunt.
>

Good to meet you Andrei.

> Are there any HBase  / Hadoop  specific ZooKeeper monitoring requirements?
>

In the hbase shell, you can poke at your zk ensemble currently.  Here
is what it looks like:

hbase(main):001:0> zk
ZooKeeper -server host:port cmd args
        connect host:port
        get path [watch]
        ls path [watch]
        set path data [version]
        delquota [-n|-b] path
        quit
        printwatches on|off
        create [-s] [-e] path data acl
        stat path [watch]
        close
        ls2 path [watch]
        history
        listquota path
        setAcl path acl
        getAcl path
        sync path
        redo cmdno
        addauth scheme auth
        delete path [version]
        setquota -n|-b val path


Thats pretty great.

What'd be sweeter would be addition of a zktop command.  I know its a
python script at mo.  Maybe there is a pure java implementation?

Also in our UI, you can browse to a page of basic ensemble stats.
Would be excellent if instead that were the fancy-pants zktop output.
Or, if you are doing a zk UI anyways, just make sure it packaged in a
way that makes it easy for us to launch as part of our UI?  I'd image
if it packged as a WAR file that should be fine but we'd need some way
of passing in where the zk ensemble is, perhaps as arguments on the
url?

Thanks for writing the list Andrei,
St.Ack

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