hadoop-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Shashidhar Rao <raoshashidhar...@gmail.com>
Subject Re: HA Hadoop journal nodes configuration
Date Thu, 08 Jan 2015 04:57:01 GMT
Hi,
Thanks it helped me a lot. But I am not seeing any secondary namenode so my
question is is Secondary Namenode required in HA Hadoop cluster

Thanks
Sd

On Thu, Jan 8, 2015 at 9:38 AM, Ted Yu <yuzhihong@gmail.com> wrote:

> Please take a look at
> http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.1-latest/bk_system-admin-guide/content/ch_hadoop-ha-3-1.html
>
> Cheers
>
> On Wed, Jan 7, 2015 at 8:00 PM, Shashidhar Rao <raoshashidhar123@gmail.com
> > wrote:
>
>> Hi,
>>
>> I want to setup Hadoop HA with 2 NameNodes and journal nodes. But I am
>> not sure what should be the configuration of journal nodes
>>
>> 1. How many journal nodes I need
>> 2. What should be the machine configuration like RAM, disk size etc
>>
>> This is for a fairly small cluster dealing with 20 Terabytes of data.
>>
>> Thanks
>> Sd
>>
>
>

Mime
View raw message