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From Benson Qiu <benson....@salesforce.com>
Subject Re: Does the JobHistoryServer register itself with ZooKeeper?
Date Thu, 17 Nov 2016 00:29:23 GMT
Hi Ravi,

Nothing gave me the impression that JHS uses ZooKeeper. I couldn't find
anything about it on Google, so I just wanted to check with the user group.

Thanks a lot for your help!


On Wed, Nov 16, 2016 at 4:26 PM, Ravi Prakash <ravihadoop@gmail.com> wrote:

> Are you talking about the Mapreduce JobHistoryServer? I am not aware of it
> needing Zookeeper for anything. What gave you that impression?
> On Wed, Nov 16, 2016 at 11:32 AM, Benson Qiu <benson.qiu@salesforce.com>
> wrote:
>> I'm looking for a way to check for connectivity to the JobHistoryServer.
>> One way I can think of is to create a Socket connection (in Java code) to
>> the JobHistoryServer IPC port specified in mapreduce.jobhistory.address.
>> If the JHS registers itself with ZooKeeper, is there a way for me to ping
>> ZooKeeper to check the status of the JHS?

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