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 >
