Similar to this, I have a use case to compare Ansible Code with the Ambari Configs. The reason we are doing this is that we found several inconsistencies w.r.t to Ansible code and Ambari configs. But comparing both is a big task as there are many playbooks where we have Hadoop code so checking all the code base a heck. Any other option to do the comparison..... ... View more

apache kyuubi is good work ... View more

@nikkie_thomas You can set below if you are using Tez   set hive.merge.mapfiles=true; set hive.merge.mapredfiles=true; set hive.merge.smallfiles.avgsize=<some value>; set hive.merge.size.per.task=<some value>; set hive.merge.tezfiles=true; ... View more

Hello  @jstraub , Can you please share the script? Many thanks in advance!. ... View more

@kalhan    While it is possible to have a single ZK cluster to support multiple services, It is the recommendation that NiFi have its own dedicated ZK cluster.  NiFi cluster stability is dependent on ZK and many of the NiFi processors that can be used depend on on Cluster state which is also stored in ZK.  IF ZK becomes overburdened it can affect overall stability and performance of NiFi. If you found any of the answers provided on this query helped you, please select "accept solution" on each of them. Thank you, Matt Hope this helps. ... View more

Hi All .   here is more Details about above :-   https://community.cloudera.com/t5/Support-Questions/HDInsight-Vs-HDP-Service-on-Azure-Vs-HDP-on-Azure-IaaS/m-p/166424       Thanks HadoopHelp ... View more

Also check https://community.hortonworks.com/articles/14309/demystify-tez-tuning-step-by-step.html https://community.hortonworks.com/questions/5780/hive-on-tez-query-map-output-outofmemoryerror-java.html https://community.hortonworks.com/questions/12067/what-is-the-workaround-when-getting-hive-outofmemo.html ... View more

What does the query look like in the "db.view"? How many joins, formats of underlying table, where clauses etc. If you're just doing a straight "select * from table limit 10" I'd expect it to return almost immediately but any kind of processing will take a few seconds. Have you tried LLAP/Interactive Queries? ... View more

Thanks @Manish Gupta for clarification. This is helpful. Cheers. ... View more

This works for us. thanks. ... View more