Great. Thank you for the link. Just to be sure - JN can be installed on data nodes like zookeeper? If we have 2 Name Nodes and 15 Data Nodes - is it correct to install ZK and JN on datanodes machines? Thanks Oleg.
On Thu, Nov 6, 2014 at 5:06 PM, Alexander Pivovarov <[email protected]> wrote: > To Enable HA open Ambari, go to Admin, select HA, click enable HA > > > http://dev.hortonworks.com.s3.amazonaws.com/HDPDocuments/HDP2/HDP-2.0.9.0/bk_using_Ambari_book/content/install-ha_2x.html > > On Thu, Nov 6, 2014 at 12:45 AM, Oleg Ruchovets <[email protected]> > wrote: > >> Our deployment is 15 data nodes and 2 NN. ZKs installed also as part of >> hortonworks distributions. >> Sorry for dummy question - what is JN is? >> Can you please please point me on some manual wiki for installation / >> configuration. >> >> Thanks >> Oleg. >> >> >> On Thu, Nov 6, 2014 at 4:04 PM, Alexander Pivovarov <[email protected] >> > wrote: >> >>> 2 boxes for 2 NNs (better dedicated boxes) >>> min 3 JNs >>> min 3 ZKs >>> >>> JNs and ZKs can share boxes with other services >>> >>> >>> On Wed, Nov 5, 2014 at 11:31 PM, Oleg Ruchovets <[email protected]> >>> wrote: >>> >>>> Hello. >>>> We are using hortonwork distribution and want to evaluate HA >>>> capabilities. >>>> Can community please share the best practices and potential problems? >>>> Is it required additional hardware? >>>> >>>> Thanks >>>> Oleg. >>>> >>> >>> >> >
