Apache Ambari - Adding existing zookeeper cluster

[#1]

Hi all,

I have just started playing around with Apache Ambari. The goal is to install HDF 2.x.

I have one question: I have an existing Zookeeper cluster which is being already used by applications, and I want to use this cluster for HDF. Is there a way to tell Ambari to use an existing zookeeper cluster (without having Ambari to install anything since Zookeeper cluster is already up and running) ?

Thanks

Obaid

[#2 · Accepted solution]

Hi Obaid, currently HDF installs its own ZK quorum. In the future colocating HDF & HDP in the same cluster will be supported through a single Ambari instance to better reuse infrastructure components.

http://docs.hortonworks.com/HDPDocuments/HDF2/HDF-2.0.1/bk_ambari-installation/content/ch_installing...

[#3]

@Obaid Salikeen

Unfortunately the answer is no at this time. NiFi has zookeeper as a dependency in HDF Ambari, so it is installed when the NiFi service is selected. Once NiFi is deployed there is nothing stopping you from updating the NiFi configs via Ambari to point at your existing Zookeeper you already have installed elsewhere. Keep in mind that other service within the HDF Ambari stack also rely on Zookeeper, so you may need to reconfigure them as well.

Matt