One useful link from @Geoffrey Shelton Okot. This article is also worth checking, it will help you perform basic commands to a sample table before you start a new import. G. luck! ... View more

I'd love to provide myself with answers to my self questions too. My wish for 2019. 😉 ... View more

Pretty good insight ... View more

Let's start with Hive and then HCatalog. Hive Layer for analyzing, querying and managing large datasets that reside in Hadoop various file systems ⇢ uses HiveQL (HQL) as processing engine ⇢ uses SerDes for serialization and deserialization ⇢ works best with huge volumes of data HCatalog Table and storage management layer for Hadoop ⇢ basically, the EDW system for Hadoop (it supports several file formats such as RCFile, CSV, JSON, SequenceFile, ORC) ⇢ is a sub-component of Hive, which enables ETL processes ⇢ tool for accessing metadata that reside in Hive Metastore ⇢ acts as an API to expose the metastore as REST interface to external tools such as Pig ⇢ uses WebHcat, a web server for engaging with the Hive Metastore I think the focus has to be made on how they complement each other rather than focusing on their differences. Documentation (3) This answer from @Scott Shaw is worth checking This slideshare presents the use cases and features of Hive and Hcatalog This direct graph from IBM shows how they use both layers in a batch job I hope this helps! 🙂 ... View more

Hello @Harshali Patel, did you see my answer here? I hope this helps. ... View more

Hello Amir, please check the below resources: Article Thread Also check this answer from @Sean Roberts which is worth reading. Could you please update me if that helped. ... View more

Hello Joshua, have you tried this? https://docs.hortonworks.com/HDPDocuments/HDF3/HDF-3.2.0/installing-hdf/content/install_an_hdf_cluster_using_ambari.html https://docs.hortonworks.com/HDPDocuments/HDF3/HDF-3.2.0/installing-hdf-on-hdp/content/hdf-upgrade-ambari-and-hdp.html Please prompt result here. ... View more

That was a smart move actually... imagine Samsung mobiles merging with Apple... 'D Good questions btw. We have to wait until Jan. 15 to take a deep-dive into new certifications. That would be great if they could come up with a "get 1 for 2!" (HortonWorks and Cloudera certification process). Fingers crossed! ... View more

Btw, they spam us with granular & top-notch resources. I think it worths the spam. ^.^ ... View more