Zk should have access to dedicated disk but aside from that you can colocated them with master services. The minimum quorum requirement is 3 nodes. @Duminda Jayasuriya ... View more

Our best practice is to have a dedicated ambai views server (standalone) separate from Ambari server node. You can add more Ambari Views servers by the way and Hue is in the same situation I'd it goes down impact felt by everyone. @Saurabh Kumar please refer to ambai views user guide http://docs.hortonworks.com/HDPDocuments/Ambari-2.2.0.0/bk_ambari_views_guide/content/ch_using_ambari_views.html ... View more

I like the Oozie dedicated queue idea! @Predrag Minovic ... View more

@Chakra are you doing large imports? You may need to tune your JVM and GC pauses. Also look at zookeeper.session.timeout property. ... View more

@keerthana gajarajakumar pick the Kafka dependency out of this pom and copy HDP repositories section Link furthermore, this doc can really help you , it has a chapter on Kafka but its recommended to read it all, its short. Link ... View more

@keerthana gajarajakumar what version of maven do you have and please explain what you're doing to reproduce. ... View more

I reproduced the error and confirm my suspiscion, it has nothing to do with networking and everything to do with setting proper Twitter credentials. @Malek Ben Salem the only one thing I did was pick for property Twitter Endpoint called Firehose Endpoint and then you enter valid properties from the table above ... View more

@Rainer Geissendoerfer you need to tell storm the zookeeper quorum. So go to storm config, search for the property below and specify your zookeeper host if only one or quorum if 1+ (comma separated list of zookeeper servers). Look at the screenshot. ... View more

@Hammad Ali Ambari 2.2 is out, why not go with that? ... View more