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 <[email protected]> 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 <[email protected] > > 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 >> > >
