For 17 box cluster it's probably good to run 5 ZKs and 5 JNs So, run 2 ZKs on 2 NNs 3 ZKs on 3 DNs
same for JNs you can start additional ZKs and JNs after you are done with initial Enabling HA in Ambari On Thu, Nov 6, 2014 at 3:01 AM, Oleg Ruchovets <oruchov...@gmail.com> wrote: > 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 <apivova...@gmail.com> > 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 <oruchov...@gmail.com> >> 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 < >>> apivova...@gmail.com> 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 <oruchov...@gmail.com> >>>> 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. >>>>> >>>> >>>> >>> >> >
